The chipset itself uses a 1849-lead BGA package (43x43, pad size 0.4mm, pitch 0.8mm). Some intersting pins are shown below (pins are named A1 to BC43).
| Name | Address | RX pin | TX pin | Function |
|---|---|---|---|---|
| BCHP_UARTA | 0x2040a900 |
AG5 |
AH4 |
ARM boot console |
| BCHP_UART0_PER | 0x03c00640 |
T39 |
T40 |
CM firmware console |
| Name | Address | SCLK | HOLD# | WP# | CS# | MOSI | MISO |
|---|---|---|---|---|---|---|---|
| BCHP_HIF_MSPI | 0x204a3400 |
AE3 |
AD2 |
AC2 |
AC6 |
AE2 |
AD3 |