SPRUJA1 October 2023
AM62x SIP SK EVM has a 14x2 standard 0.1” spaced MCU connector which includes signals connected to the MCU Domain of SoC. 13 Signals include MCU_I2C0, MCU_UART0 (with flow control), MCU_SPI0 and MCU_MCAN0 signals are connected to the MCU Header. Additional control signals provided on the Header include CONN_MCU_RESETz, CONN_MCU_PORz, MCU_RESETSTATz, MCU_SAFETY_ERRORn, 3.3 V IO and GND. MCU_UART0 signals from AM62x SoC are connected to both MCU Header and FT4232 Bridge through MUX Mfr Part # SN74CB3Q3257PWR. The MCU Header does not include the Board ID memory interface. Allowed current limit is 100 mA on 3.3 V rail.
Figure 2-30 MCU Interface| Pin Number | SoCBall No | Net Name | Pin Multiplexed Signal |
|---|---|---|---|
| 1 | - | VCC_3V3_SYS | |
| 2 | - | DGND | |
| 3 | - | NC | |
| 4 | C9 | MCU_SPI0_D1 | MCU_SPI0_D1/MCU_GPIO0_4 |
| 5 | - | NC | |
| 6 | D9 | MCU_SPI0_D0 | MCU_SPI0_D0/MCU_GPIO0_3 |
| 7 | - | DGND | |
|
8 |
B8 |
MCU_SPI0_CS1 |
MCU_SPI0_CS1/MCU_OBSCLK0/ MCU_SYSCLKOUT0/ MCU_EXT_REFCLK0/ MCU_TIMER_IO1/ MCU_GPIO0_1 |
| 9 | - | NC | |
| 10 | E5 | MCU_GPIO0_15 | MCU_MCAN1_TX/MCU_TIMER_IO2/ MCU_SPI1_CS1/ MCU_EXT_REFCLK0/ MCU_GPIO0_15 |
| 11 | D4 | MCU_GPIO0_16 | MCU_MCAN1_RX/MCU_TIMER_IO3/ MCU_SPI0_CS2/ MCU_SPI1_CS2/ MCU_SPI1_CLK/ MCU_GPIO0_16 |
|
12 |
A6 |
MCU_UART0_CTS_CONN |
MCU_UART0_CTSn/MCU_TIMER_IO0/ MCU_SPI1_D0/MCU_GPIO0_7 |
| 13 | B5 | MCU_UART0_RXD_CONN | MCU_UART0_RXD/ MCU_GPIO0_5 |
| 14 | - | NC | |
| 15 | - | DGND | |
|
16 |
D6 |
MCU_MCAN0_TX |
MCU_MCAN0_TX/WKUP_TIMER_IO0/ MCU_SPI0_CS3/ MCU_GPIO0_13 |
|
17 |
B6 |
MCU_UART0_RTS_CONN |
MCU_UART0_RTSn/MCU_TIMER_IO1/ MCU_SPI1_D1/MCU_GPIO0_8 |
| 18 | A7 | MCU_SPI0_CLK | MCU_SPI0_CLK/MCU_GPIO0_2 |
| 19 | A5 | MCU_UART0_TXD_CONN | MCU_UART0_TXD/ MCU_GPIO0_6 |
| 20 | - | DGND | |
| 21 | D10 | MCU_I2C0_SDA | MCU_I2C0_SDA/MCU_GPIO0_18 |
|
22 |
B3 |
MCU_MCAN0_RX |
MCU_MCAN0_RX/MCU_TIMER_IO0/ MCU_SPI1_CS3/ MCU_GPIO0_14 |
| 23 | B12 | MCU_RESETSTATz | MCU_RESETSTATz/ MCU_GPIO0_21 |
| 24 | A8 | MCU_I2C0_SCL | MCU_I2C0_SCL/MCU_GPIO0_17 |
| 25 | E11 | CONN_MCU_RESETz | MCU_RESETz |
| 26 | D1 | MCU_SAFETY_ERRORz_3V3 | MCU_ERRORN |
| 27 | - | DGND | |
| 28 | D2 | CONN_MCU_PORz | MCU_PORz |