ZHCUAS3D May 2022 – August 2025
AM62x SKEVM 具有一个 14x2 标准 0.1" 间距 MCU 连接器,其中包含连接到 SoC 的 MCU 域的信号。包括 MCU_I2C0、MCU_UART0(带流量控制)、MCU_SPI0 和 MCU_MCAN0 信号的 13 个信号连接到 MCU 接头。接头上提供的其他控制信号包括 CONN_MCU_RESETz、CONN_MCU_PORz、MCU_RESETSTATz、MCU_SAFETY_ERRORn、3.3V IO 和 GND。来自 AM62x SoC 的 MCU_UART0 信号通过多路复用器(制造商器件型号为 SN74CB3Q3257PWR)连接到 MCU 接头和 FT4232 桥接器。MCU 接头不包含电路板 ID 存储器接口。允许的电流限制是,3.3 V 电源轨上为 100 mA。

| 引脚编号 | SoC 焊球编号 | 网络名称 | 引脚多路复用信号 |
|---|---|---|---|
| 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 |