SLVUDW7 May 2026
The AFE88XH1-FELC-EVM has one header: J1. The J1 header connects to the SNSR-DUAL-ADC-EVM board for communication and power transfer between the AFE88XH1 and MCU. For a description of the pins, see Table 2-1.
| Pin Number | Description |
|---|---|
| 1 | GND |
| 2 | 3.3V LDO output connection for VDD supply voltage |
| 3 | External VREF output connection from J3 |
| 4 | 1.8V LDO output connection for VDD supply voltage |
| 5 | MCU signal input to control shift register at power up |
| 6 | SCLK (SPI clock) |
| 7 | Not Used |
| 8 | SDI (SPI serial data input) |
| 9 | Not Used |
| 10 | SDO (SPI serial data output) |
| 11 | ALARM output from AFE88XH1 |
| 12 | CS (SPI chip select) |
| 13 | Carrier Detect input |
| 14 | HART signal transmission output from AFE88XH1 |
| 15 | AFE88XH1 Request to send input |
| 16 | HART signal receiver input to AFE88XH1 |