bcm3390/README.md
Joseph C. Lehner ed6d6e2bda Update README.md
2024-02-08 16:24:51 +01:00

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BCM3390
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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`).
###### UARTs
| Name | Address | RX pin | TX pin | Function |
|----------------|--------------|--------|--------|---------------------------|
| BCHP_UARTA | `0x2040a900` | `AG5` | `AH4` | ARM boot console |
| BCHP_UART0_PER | `0x03c00640` | `T39` | `T40` | CM firmware console |
###### SPI NOR flash
| Name | Address | SCLK | HOLD# | WP# | CS# | MOSI | MISO |
|----------------|--------------|--------|--------|--------|--------|--------|--------|
| BCHP_HIF_MSPI | `0x204a3400` | `AE3` | `AD2` | `AC2` | `AC6` | `AE2` | `AD3` |