AMD Embedded R series Processor RX-421

This document shows the documentation for the AMD Embedded R series Processor RX-421 rhomb.io core. Preliminary version, use only for data updating or corrections.

Overview

The AMD Embedded R series Processor RX-421 is a certified rhomb.io core module based on the AMD Embedded R-Series System on a Chip (SoC). This thin and small board is easily pluggable on the Standard rhomb.io core Sockets of the series S500 and has been designed to be the brain of a rhomb.io modular system. It mainly accomplish two different roles: power supply management and computing.

The main characteristic of this core (as well as the other rhomb.io Cores) is the full integration in such a small board of all the essential components to make the system work: CPU, GPU, RAM, boot memory and power management. Users that mount this core on a rhomb.io Motherboard (or on a well designed custom board) will find that the only thing they should provide is a proper power source and a mass storage device with an installed OS.

The AMD APU (Accelerated Processing Unit) embedded in this core is a high performance, compact SoC with support for industrial temperatures and configurable TDP. It delivers astonishing graphics and HD multimedia processing performance – with true 4K decode and encode – via a sophisticated SoC architecture that integrates up to four of AMD’s latest high-performance “Excavator” x86 CPU cores with the latest AMD Radeon™ graphics and an I/O controller all on a single die. Building on AMD’s established leadership in high-end graphics, the AMD Embedded R7 SOC is the highest performance AMD embedded processor to-date.

The next table summarizes the main features of the rhomb.io AMD RX-421BD Core.

AMD RX-421BD Core features
Four "Excavator" x86 CPU cores
Operating frequency up to 2.1 GHz
2MB of shared L2 cache
64-bit channel DDR3/DDR4 Memory module socket
AMD Radeon R7 GPU
Integrated Northbridge and Southbridge controllers
On board BIOS memory
Off board program and storage memory
100% rhomb.io S500 Socket compatible


AMD RX-421BD top v0.jpg

AMD RX-421BD bottom v0.jpg

Core specifications

The AMD Embedded R series Processor RX-421 is the third Core to arrive to the rhomb.io platform, but brings a huge step forward in terms of performance, power and versatility. This Core realeases the new S500 rhomb.io Socket, with 100 more pins than the former S400 rhomb.io Socket. This aditional pins don't interfere with the S400 Socket pins, so S500 Socket is backwards compatible (a S400 core fits perfectly in a S500 Socket). In this pins, new voltage rails are added to provide this new generation of cores with enough power to operate, and new high speed lines such as USB3.0 and Display Port are added to the rhomb.io Standard.

This board integrates an AMD R7 SoC capable of deliver breakthrough graphics performance and power efficiency, and it is designed to provide ultra-immersive HD multimedia experiences and powerful parallel processing compute capabilities. Harnessing the processing power of AMD’s “Excavator” CPU core and a new graphics core based on the Radeon™ HD 10000 platform, the AMD R7 SoC breaks barriers in performance-per-watt compute efficiency in the x86 product category.

A rhomb.io DDR socket is present on the Core, in which the user can plug a rhomb.io DDR Memory module of the speed and capacity that better fit their design. The AMD RX-421BD Core supports DDR3 and DDR4 Memory modules up to 8GB and 2400 MHz. The small form factor of these modules and their plastic cases fit perfectly in the Core shape, making the two boards a perfectly integrated and armonic system.

Finally, a Richtek power solution, in addition to the Maxim PMIC, provides the necesary power to the SoC, the RAM and the rhomb.io connectors. An Atmel uController guarantees that the power delivery is correctly done.

AMD RX-421BD Block Diagram v0.jpg


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Connectors

The following table indicates the pinout of each one of the ten connectors. The signals have been grouped according to their functionality and according to the rhomb.io standard v4.2. Each pin on the connector supports a maximum of 300mA.

J1 Connector
Pin Nº Pin name IC Signal Description Pin Nº Pin name IC Signal Description
1 GND Connected to GND 26 GND Connected to GND
2 27 VIDEO_VD15 NOT AVAILABLE RGB Video Output or GPIO
3 VIDEO_VD16 NOT AVAILABLE RGB Video Output or GPIO 28 VIDEO_VD00
4 VIDEO_VD22 29 VIDEO_CLK
5 VIDEO_VD13 30 VIDEO_VD18
6 VIDEO_VD01 31 VIDEO_SYS_OE
7 VIDEO_VD04 32 VIDEO_VD11
8 VIDEO_VD09 33 VIDEO_VSYNC
9 VIDEO_VSYNC_LDI 34 VIDEO_VD06
10 VIDEO_VD23 35 VIDEO_HSYNC
11 VIDEO_VD14 36 VIDEO_VD12
12 GND Connected to GND 37 VIDEO_VD03
13 38 VIDEO_VD17
14 VIDEO_VD05 NOT AVAILABLE RGB Video Output or GPIO 39 SLIMBUS_CLK NOT AVAILABLE SLIMbus port
15 VIDEO_VD10 40 SLIMBUS_DATA
16 VIDEO_EN 41 GND Connected to GND
17 VIDEO_VD20 42 HDMI_D2_P DP0_TXP0 HDMI Data
18 VIDEO_VD07 43 HDMI_D2_N DP0_TXN0
19 VIDEO_VD08 44 HDMI_D1_P DP0_TXP1
20 VIDEO_VD02 45 HDMI_D1_N DP0_TXN1
21 VIDEO_VD21 46 HDMI_D0_P DP0_TXP2
22 VIDEO_VD19 47 HDMI_D0_N DP0_TXN2
23 LDO04_2V8_150mA OUT4 PMIC LDO04 Output 48 HDMI_CLK_P DP0_TXP3
24 LDO05_1V8_150mA OUT5 PMIC LDO05 Output 49 HDMI_CLK_N DP0_TXN3
25 GND Connected to GND 50 GND Connected to GND
J2 Connector
Pin Nº Pin name IC Signal Description Pin Nº Pin name IC Signal Description
1 GND Connected to GND 26 GND Connected to GND
2 CAN_TX NOT AVAILABLE CAN interface 27 UART2_RTSN NOT AVAILABLE UART 2 interface
3 CAN_RX 28 SPI0_CSN SPI_CS1_L/ EGPIO118 SPI 0 interface
4 I2S_SCLK AZ_SYNC/ I2S_BCLK_ PLAYBACK I2S interface 29 UART0_TXD UART0_TXD/ EGPIO138 UART 0 interface
5 RFU NOT AVAILABLE Reserved 30 PWM_OUT0 DP_VARY_BL PWM 0 output
6 31 SPI1_CLK NOT AVAILABLE SPI 1 interface
7 I2S_LRCK AZ_SDIN1/ I2S_LR_ PLAYBACK I2S interface 32 PWM_OUT1 FANOUT0/ AGPIO85 PWM 1 output
8 I2S_CDCLK NOT AVAILABLE 33 UART3_RXD NOT AVAILABLE UART 3 interface
9 I2S_SDO AZ_SDIN2/ I2S_DATA_ PLAYBACK 34 I2C0_SCL I2C0_SCL/ EGPIO145 I2C 0 interface
10 I2S_SDI AZ_SDIN0/ I2S_DATA_MIC[0] 35 GND Connected to GND
11 I2C1_SCL I2C1_SCL/ EGPIO147 I2C 1 interface 36
12 UART1_RXD UART1_RXD/ BT_I2S_SDI/ EGPIO141 UART 1 interface 37
13 SPI0_CLK SPI_CLK/ ESPI_CLK/ EGPIO117 SPI 0 interface 38 UART0_RTSN UART0_RTS_L/ EGPIO137 UART 0 interface
14 GND Connected to GND 39 SPI0_MISO SPI_DI/ ESPI_DAT1/ EGPIO120 SPI 0 interface
15 40 SPI1_MISO NOT AVAILABLE SPI 1 interface
16 41 UART2_CTSN NOT AVAILABLE UART 2 interface
17 PWM_OUT2 NOT AVAILABLE PWM 2 output 42 I2C1_SDA I2C1_SDA/ EGPIO148 I2C 1 interface
18 PWM_OUT3 NOT AVAILABLE PWM 3 output 43 UART1_CTSN UART1_CTS_L/ BT_I2S_BCLK/ EGPIO140 UART 1 interface
19 SPI1_MOSI NOT AVAILABLE SPI 1 interface 44 UART0_CTSN UART0_CTS_L/ EGPIO135 UART 0 interface
20 UART2_RXD NOT AVAILABLE UART 2 interface 45 UART3_TXD NOT AVAILABLE UART 3 interface
21 SPI0_MOSI SPI_DO/ ESPI_DAT0/ EGPIO121 SPI 0 interface 46 UART0_RXD UART0_RXD/ EGPIO136 UART 0 interface
22 UART1_TXD UART1_TXD/ BT_I2S_SDO/ EGPIO143 UART 1 interface 47 UART1_RTSN UART1_RTS_L/ EGPIO142 UART 1 interface
23 I2C0_SDA I2C0_SDA/ EGPIO146 I2C 0 interface 48 UART2_TXD NOT AVAILABLE UART 2 interface
24 SPI1_CSN NOT AVAILABLE SPI 1 interface 49 RFU NOT AVAILABLE Reserved
25 GND Connected to GND 50 GND Connected to GND
J3 Connector
Pin Nº Pin name IC Signal Description Pin Nº Pin name IC Signal Description
1 GND Connected to GND 26 VIN_5V 5V Power Input
2 27
3 VIN_RTC_1V5 VDDBT_RTC_G RTC Power Input 28
4 RFU NOT AVAILABLE Reserved 29
5 30 LDO25_3V0_150mA OUT25 PMIC LDO25 Output
6 31 LDO21_2V8_300mA OUT21 PMIC LDO21 Output
7 32 LDO26_3V0_150mA OUT26 PMIC LDO26 Output
8 CLK32K_1_REF VCCP32KH CLK32K_1 Reference voltage input 33 LDO19_1V8_150mA OUT19 PMIC LDO19 Output
9 CLK32K_2_REF VCC32KCP CLK32K_2 Reference voltage input 34 LDO23_3V0_300mA OUT23 PMIC LDO23 Output
10 CLK32K_1 P32KH 32.768 KHz CLK Output 1 35 LDO12_3V0_150mA OUT12 PMIC LDO12 Output
11 CLK32K_2 32KHCP 32.768 KHz CLK Output 2 36 LDO24_3V0_150mA OUT24 PMIC LDO24 Output
12 PWR_ON PWRON & (uC)PB2 System Power ON 37 LDO16_1V8_150mA OUT16 PMIC LDO16 Output
13 GND Connected to GND 38 LDO20_1V8_150mA OUT20 PMIC LDO20 Output
14 39 LDO09_1V8_150mA OUT09 PMIC LDO09 Output
15 PMIC_RST_2 MRSTB2 PMIC Reset 40 LDO11_1V8_150mA OUT11 PMIC LDO11 Output
16 PMIC_RST_1 MRSTB1 41 BUCK8_3V3_300mA BUCK8 PMIC BUCK8 Output
17 BOOT_SW1 RTCCLK Straps Configurator 42
18 BOOT_SW5 LPCCLK1 43
19 BOOT_SW3 AGPIO3 44 LDO10_1V8_300mA OUT10 PMIC LDO10 Output
20 BOOT_SW2 BLINK 45 LDO03_1V8_300mA OUT03 PMIC LDO03 Output
21 BOOT_SW4 LPCCLK0 46 BUCK9_3V3_300mA BUCK9 PMIC BUCK9 Output
22 BOOT_SW0 SYS_RESET# 47
23 GND Connected to GND 48
24 49
25 VIN_5V 5V Power Input 50
J4 Connector
Pin Nº Pin name IC Signal Description Pin Nº Pin name IC Signal Description
1 GND Connected to GND 26 GND Connected to GND
2 27 SDIO1_DATA1 NOT AVAILABLE SDIO port 1
3 LDO13_1V8_150mA OUT13 PMIC LDO13 Output 28 AUX_CLK
4 LDO22_2V8_300mA OUT22 PMIC LDO22 Output 29 SDIO1_DATA2
5 SDIO3_CMD NOT AVAILABLE SDIO port 3 30 AUX_CDN
6 SDIO3_CLK 31 SDIO1_DATA0
7 SDIO3_DATA2 32 AUX_CMD
8 SDIO3_CDN 33 SDIO1_DATA3
9 SDIO3_DATA1 34 SDIO0_DATA0 NOT AVAILABLE SDIO port 0
10 SDIO3_DATA0 35 SDIO0_DATA1
11 SDIO3_DATA3 36 SDIO0_CLK
12 GND Connected to GND 37 SDIO0_DATA2
13 RFU NOT AVAILABLE Reserved 38 SDIO0_DATA3
14 USB3_HOST_OC NOT AVAILABLE USB2.0 port 3 overcurrent 39 SDIO0_CDN
15 USB3_HOST_EN NOT AVAILABLE USB2.0 port 3 enable 40 SDIO0_CMD
16 GND Connected to GND 41 SDIO2_DATA3 SD0_DATA3/ EGPIO100 SDIO port 2
17 USB2_HOST_N USB_HSD1N USB2.0 port 2 data 42 SDIO2_CLK SD0_CLK/ EGPIO95
18 USB2_HOST_P USB_HSD1P 43 SDIO2_DATA1 SD0_DATA1/ EGPIO98
19 GND Connected to GND 44 SDIO2_DATA2 SD0_DATA2/ EGPIO99
20 USB3_HOST_N USB_HSD2N USB2.0 port 3 data 45 SDIO2_CMD SD0_CMD/ EGPIO96
21 USB3_HOST_P USB_HSD2P 46 SDIO2_DATA0 SD0_DATA0/ EGPIO97
22 GND Connected to GND 47 SDIO2_CDN SD0_CD/ AGPIO25
23 USB1_HOST_N USB_HSD0N USB2.0 port 1 data 48 VIN_5V 5V Power Input
24 USB1_HOST_P USB_HSD0P 49
25 GND Connected to GND 50
J5 Connector
Pin Nº Pin name IC Signal Description Pin Nº Pin name IC Signal Description
1 GND Connected to GND 26 GND Connected to GND
2 27 GPIO01 ALERT_L SMBus temp alert pin
3 HSIC_DATA NOT AVAILABLE HSIC port 28 GPIO02 DP_BLON Display panel backlight enable
4 HSIC_STROBE NOT AVAILABLE 29 GND Connected to GND
5 GND Connected to GND 30
6 XEINT15 NOT AVAILABLE Interrupt port 31 GPIO03 DP_DIGON Display panel power enable
7 XEINT14 32 GPIO00 NOT AVAILABLE GPIO port
8 XEINT13 33 HSIC_OC NOT AVAILABLE HSIC port
9 XEINT12 34 JTAG_TMS TMS JTAG port
10 XEINT11 35 GPIO04 PCIE_RST_L/ EGPIO26 PCI host bus reset
11 XEINT10 DP0_AUXN HDMI SDA 36 GPIO05 ESPI_RESET_L/ KBRST_L/ AGPIO129 GPIO port
12 XEINT09 DP0_AUXP HDMI SCL 37 JTAG_TRSTN TRST_L JTAG port
13 XEINT08 DP1_HPD DP_HPD 38 HSIC_PWREN NOT AVAILABLE HSIC port
14 XEINT07 DP0_HPD HDMI_HPD 39 JTAG_TDI TDI JTAG port
15 XEINT06 NOT AVAILABLE Interrupt port 40 JTAG_CLK TCK
16 XEINT05 41 JTAG_TDO TDO
17 XEINT04 42 GND Connected to GND
18 XEINT03 43 USB_OTG_P NOT AVAILABLE USB OTG bus
19 XEINT02 44 USB_OTG_N NOT AVAILABLE
20 XEINT01 45 GND Connected to GND
21 RST_OUT NOT AVAILABLE Reset signal out 46 USB_OTG_DRVBUS NOT AVAILABLE USB OTG bus
22 XEINT00 NOT AVAILABLE Interrupt port 47 JTAG_NRST NOT AVAILABLE JTAG port
23 RST_RESET SYS_RESET_L/ AGPIO1 System Reset 48 USB_OTG_VBUS NOT AVAILABLE USB OTG bus
24 GND Connected to GND 49 USB_OTG_ID NOT AVAILABLE
25 50 RFU NOT AVAILABLE Reserved
J6 Connector
Pin Nº Pin name IC Signal Description Pin Nº Pin name IC Signal Description
1 GND Connected to GND 26 GND Connected to GND
2 GPIO06 AGPIO68/ SGPIO_CLK GPIO port 27 RFU NOT AVAILABLE Reserved
3 GND Connected to GND 28 MIPI_DSI_D0_N NOT AVAILABLE MIPI Display port
4 LDO17_1V2_300mA OUT17 PMIC LDO17 output 29 MIPI_DSI_D0_P
5 GND Connected to GND 30 MIPI_DSI_D1_N
6 AD_IN3 NOT AVAILABLE ADC port 31 MIPI_DSI_D1_P
7 AD_IN0 32 MIPI_DSI_CLK_N
8 AD_IN2 33 MIPI_DSI_CLK_P
9 AD_IN1 34 MIPI_DSI_D2_N
10 GND Connected to GND 35 MIPI_DSI_D2_P
11 RFU NOT AVAILABLE Reserved 36 MIPI_DSI_D3_N
12 RFU 37 MIPI_DSI_D3_P
13 RFU 38 GND Connected to GND
14 LVDS0_TX0_P NOT AVAILABLE LVDS port 39 MIPI_CSI1_D0_N NOT AVAILABLE MIPI Camera port 1
15 LVDS0_TX0_N 40 MIPI_CSI1_D0_P
16 LVDS0_TX1_N 41 MIPI_CSI1_D1_N
17 LVDS0_TX1_P 42 MIPI_CSI1_D1_P
18 LVDS0_TX2_N 43 MIPI_CSI1_CLK_N
19 LVDS0_TX2_P 44 MIPI_CSI1_CLK_P
20 LVDS0_CLK_N 45 MIPI_CSI1_D2_N
21 LVDS0_CLK_P 46 MIPI_CSI1_D2_P
22 LVDS0_TX3_P 47 MIPI_CSI1_D3_N
23 LVDS0_TX3_N 48 MIPI_CSI1_D3_P
24 GND Connected to GND 49 RFU NOT AVAILABLE Reserved
25 50 GND Connected to GND
J7 Connector
Pin Nº Pin name IC Signal Description Pin Nº Pin name IC Signal Description
1 GND Connected to GND 26 GND Connected to GND
2 PCIE2_RX_N P_GPP_RXN1 PCIE 2 port 27 RGMII_TXCLK NOT AVAILABLE RGMII port
3 PCIE2_RX_P P_GPP_RXP1 28 RGMII_TXD0
4 PCIE2_WAKE WAKE_L/ AGPIO2 29 RGMII_TXD1
5 GND Connected to GND 30 RGMII_TXD2
6 31 RGMII_TXD3
7 SATA2_RX_N SATA_RX1N SATA 2 port 32 RGMII_TXDEN
8 SATA2_RX_P SATA_RX1P 33 RGMII_INT
9 GND Connected to GND 34 GND Connected to GND
10 SATA1_RX_N SATA_RX0N SATA 1 port 35 PCIE1_CLK_N GPP_CLK0N PCIE 1 port
11 SATA1_RX_P SATA_RX0P 36 PCIE1_CLK_P GPP_CLK0P
12 GND Connected to GND 37 PCIE1_TX_N P_GPP_TXN0
13 PCIE1_RX_N P_GPP_RXN0 PCIE 1 port 38 PCIE1_TX_P P_GPP_TXP0
14 PCIE1_RX_P P_GPP_RXP0 39 GND Connected to GND
15 PCIE1_WAKE WAKE_L/ AGPIO2 40 SATA1_TX_N SATA_TX0N SATA 1 port
16 RGMII_MDC NOT AVAILABLE RGMII port 41 SATA1_TX_P SATA_TX0P
17 RGMII_MDIO 42 GND Connected to GND
18 RGMII_REFCLK 43 SATA2_TX_N SATA_TX1N SATA 2 port
19 RGMII_RXDV 44 SATA2_TX_P SATA_TX1P
20 RGMII_RXD3 45 GND Connected to GND
21 RGMII_RXD2 46 PCIE2_CLK_N GPP_CLK1N PCIE 2 port
22 RGMII_RXD1 47 PCIE2_CLK_P GPP_CLK1P
23 RGMII_RXD0 48 PCIE2_TX_N P_GPP_TXN1
24 RGMII_RXCLK 49 PCIE2_TX_P P_GPP_TXP1
25 GND Connected to GND 50 GND Connected to GND
J8 Connector
Pin Nº Pin name IC Signal Description Pin Nº Pin name IC Signal Description
1 BUCK8_3V3_300mA BUCK8 PMIC BUCK8 Output 26 GND Connected to GND
2 27 GPIO07 LPC_PME_L/ AGPIO22 GPIO port
3 GPIO041 LPC_SMI_L/ AGPIO86 GPIO port 28 GPIO08 IR_TX0/ USB_OC5_L/ AGPIO13
4 GND Connected to GND 29 GPIO09 IR_LED_L/ LLB_L/ AGPIO12 Low battery monitor
5 GPIO040 CLK_REQ0/ SATA_IS0_L/ SATA_ZP0_L/ AGPIO92 GPIO port 30 GPIO10 USB_OC1_L/ TDI/ AGPIO17 GPIO port
6 GPIO039 CLK_REQ2_L/ AGPIO116 31 GPIO11 AGPIO71/ SGPIO_DATAOUT
7 GPIO038 FANIN0/ AGPIO84 Fan tachometer input 32 GPIO12 AGPIO69/ SGPIO_LOAD
8 LDO14_1V8_150mA OUT14 PMIC LDO14 Output 33 GPIO13 AGPIO40
9 GND Connected to GND 34 GPIO14 AC_PRES/ USB_OC4_L/ IR_RX0/ AGPIO23
10 GPIO037 CLK_REQ1_L/ AGPIO115 GPIO port 35 GPIO15 AGPIO7/ LDT_PWROK
11 GPIO036 CLK_REQG_L/ OSCIN/ EGPIO132 36 GPIO16 USB_OC0_L/ TRST_L/ AGPIO16
12 GPIO035 SPKR/ AGPIO91 37 GPIO17 USB_OC2_L/ TCK/ AGPIO18
13 GPIO034 CLK_REQ3_L/ SATA_IS1_L/ SATA_ZP1_L/ EGPIO131 38 GPIO18 AGPIO5
14 GPIO033 GA20IN/ AGPIO126 39 GPIO19 AGPIO8
15 GPIO032 AGPIO64 40 GPIO20 AGPIO9
16 GPIO031 AGPIO65 41 GPIO21 AGPIO6/ LDT_RST_L
17 GPIO030 NOT AVAILABLE 42 GPIO22 AGPIO3
18 GND Connected to GND 43 GPIO23 AGPIO4
19 MIPI_CSI2_D1_P NOT AVAILABLE MIPI Camera port 2 44 GPIO24 USB_OC3_L/ TDO/ AGPIO24
20 MIPI_CSI2_D1_N 45 GPIO25 IR_TX1/ USB_OC6_L/ AGPIO14
21 MIPI_CSI2_CLK_P 46 GPIO26 IR_RX1/ AGPIO15
22 MIPI_CSI2_CLK_N 47 GPIO27 BLINK/ USB_OC7_L/ AGPIO11 Blink LED S-state indicator
23 MIPI_CSI2_D0_P 48 GPIO28 AGPIO66/ SHUTDOWN_L GPIO port
24 MIPI_CSI2_D0_N 49 GPIO29 AGPIO72/ SGPIO_DATAIN
25 GND Connected to GND 50 GND Connected to GND
J15 Connector
Pin Nº Pin name IC Signal Description Pin Nº Pin name IC Signal Description
1 VIN_PWR High Power Input (6V~23V, 6A) 26 GND Connected to GND
2 27
3 28
4 29
5 30
6 31
7 32
8 33
9 34
10 35
11 36
12 37
13 38
14 39
15 40
16 41
17 42
18 43
19 44
20 45
21 VIN_5V VIN_5V 46
22 47
23 48
24 49
25 50
J16 Connector
Pin Nº Pin name IC Signal Description Pin Nº Pin name IC Signal Description
1 GND Connected to GND 26 GND Connected to GND
2 USB30_2_RX_P USB_SS_1RXP USB3.0 port 2 data 27 DP_TX3_P DP1_TXP3 Display Port
3 USB30_2_RX_N USB_SS_1RXN 28 DP_TX3_N DP1_TXN3
4 GND 29 GND
5 USB30_2_TX_P USB_SS_1TXP 30 DP_TX2_P DP1_TXP2
6 USB30_2_TX_N USB_SS_1TXN 31 DP_TX2_N DP1_TXN2
7 GND 32 GND
8 USB30_2_D_P USB_HSD5P 33 DP_TX1_P DP1_TXP1
9 USB30_2_D_N USB_HSD5N 34 DP_TX1_N DP1_TXN1
10 GND Connected to GND 35 GND
11 USB30_3_RX_P USB_SS_2RXP USB3.0 port 3 data 36 DP_TX0_P DP1_TXP0
12 USB30_3_RX_N USB_SS_2RXN 37 DP_TX0_N DP1_TXN0
13 GND 38 GND
14 USB30_3_TX_P USB_SS_2TXP 39 DP_AUX_P DP1_AUXP
15 USB30_3_TX_N USB_SS_2TXN 40 DP_AUX_N DP1_AUXN
16 GND 41 GND Connected to GND
17 USB30_3_D_P USB_HSD6P 42 USB30_1_D_N USB_HSD4N USB3.0 port 1 data
18 USB30_3_D_N USB_HSD6N 43 USB30_1_D_P USB_HSD4P
19 GND Connected to GND 44 GND
20 RFU "NOT AVAILABLE" Reserved 45 USB30_1_TX_N USB_SS_0TXN
21 46 USB30_1_TX_P USB_SS_0TXP
22 47 GND
23 48 USB30_1_RX_N USB_SS_0RXN
24 49 USB30_1_RX_P USB_SS_0RXP
25 GND Connected to GND 50 GND Connected to GND

Power

The next table shows the features of each one of the Main Power Inputs on the rhomb.io Core Connectors J1, J3, J4, J6 and J8. Pinout according to the rhomb.io standard v4.2.

Power supply Connector Pin Voltage (V) Max Current (mA) Power supply Connector Pin Voltage (V) Max Current (mA)
LDO03_1V8_300mA J3 45 1,8 300 LDO22_2V8_300mA J4 4 2,8 300
LDO04_2V8_150mA J1 23 2,8 150 LDO23_3V0_300mA J3 34 3 300
LDO05_1V8_150mA 24 1,8 150 LDO24_3V0_150mA 36 3 150
LDO09_1V8_150mA J3 39 1,8 150 LDO25_3V0_150mA 30 3 150
LDO10_1V8_300mA 44 1,8 300 LDO26_3V0_150mA 32 3 150
LDO11_1V8_150mA 40 1,8 150 BUCK8_3V3_300mA J3 41 3,3 1500
LDO12_3V0_150mA 35 3 150 42
LDO13_1V8_150mA J4 3 1,8 150 43
LDO14_1V8_150mA J8 8 1,8 150 J8 1
LDO16_1V8_150mA J3 37 1,8 150 2
LDO17_1V2_300mA J6 4 1,2 300 BUCK9_3V3_300mA J3 46 3,3 1500
LDO19_1V8_150mA J3 3 1,8 150 47
LDO20_1V8_150mA 38 1,8 150 48
LDO21_2V8_300mA 31 2,8 300 49
4 J4 2,8 300 50

The next table shows the features of each one of the Power Supply Inputs on the rhomb.io Core Connectors J3, J4, J15 and J16. Pinout according to the rhomb.io standard v4.2.

Power input Connector Pin Min Voltage (V) Max Voltage (V) Min Current (A)
VIN_5V J3 25 4.5 5.5 4
26
27
28
29
J4 48
49
50
J15 21
22
23
24
25
VIN_PWR J15 1 6 23 6
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Note that each pin on the connectors supports a maximum of 300mA.

Mechanical specifications

AMD RX-421BD Dimensions v0.jpg

Warranty

  • Precaution against Electrostatic Discharge. When handling Rhomb.io products, ensure that the environment is protected against static electricity. Follow the next recommendations:
  1. The users should wear anti-static clothing and use earth band when manipulating the device.
  2. All objects that come in direct contact with devices should be made of materials that do not produce static electricity that would cause damage.
  3. Equipment and work table must be earthed.
  4. Ionizer is recommended to remove electron charge.
  • Contamination. Be sure to use semiconductor products in the environment that may not be exposed to dust or dirt adhesion.
  • Temperature/Humidity. Semiconductor devices are sensitive to environment temperature and humidity. High temperature or humidity may deteriorate semiconductor devices characteristics. Therefore avoid storage or usage in such conditions.
  • Mechanical Shock. Care should be exercised not to apply excessive mechanical shock or force on the connectors and semiconductors devices.
  • Chemical. Do not expose semiconductor device to chemical because reaction to chemical may cause deterioration of device characteristics.
  • Light Protection. In case of non-EMC (Epoxy Molding Compound) package, do not expose semiconductor IC to strong light. It may cause devices malfunction. Some special products which utilize the light or have security function are excepted from this specification.
  • Radioactive, Cosmic and X-ray. Semiconductor devices can be influenced by radioactive, cosmic ray or X-ray. Radioactive, cosmic and X-ray may cause soft error during device operation. Therefore semiconductor devices must be shielded under environment that may be exposed to radioactive, cosmic ray or X-ray.
  • EMS (Electromagnetic Susceptibility). Note that semiconductor devices characteristics may be affected by strong electromagnetic waves or magnetic field during operation.

Disclaimer

Rhomb.io reserves the right to make corrections, enhancements, improvements and other changes to its products and services, and to discontinue any product or service. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All the hardware products are sold subject to the Rhomb.io terms and conditions of sale supplied at the time of order acknowledgment.

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