micheleandCursor
0a1188ad66
Switch BT1035 bring-up from Line-In to I2S slave (AT+AUXCFG=3, AT+I2SCFG=67) to match the ADAU1701 PCM routing, confirm 2 kΩ I2C pull-ups on R1/R16, and sync firmware docs, AGENTS rules, and the DATASHEET bundle. Co-authored-by: Cursor <cursoragent@cursor.com>
23 lines
1.3 KiB
Markdown
23 lines
1.3 KiB
Markdown
# Component datasheets (DigiRadio hardware)
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Authoritative vendor PDFs used for schematic/PCB design review and firmware
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bring-up. Paths are relative to this repository root (`DigiRadio/`).
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| File | Component | Use in DigiRadio |
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|------|-----------|------------------|
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| `SI4684-A10.pdf` | Silicon Labs Si4684-A10 | RSTB power sequencing, SPI framing, supply levels, SMODE |
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| `adau1701.pdf` | Analog Devices ADAU1701 | I²C pull-ups (2 kΩ R1/R16 on PCB; datasheet 2.2 kΩ), MCLK = 256×fS, serial-port master/slave loopback (MP10→MP4, MP11→MP5) |
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| `AN851.pdf` | Silicon Labs AN851 | Si4684 bypass capacitors, antenna layout, schematic guidance |
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| `FSC-BT1035_Datasheet_EN.pdf` | Feasycom FSC-BT1035 | Module pinout, electrical and mechanical specs (v1.0) |
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| `FSC-BT1035_programming_user_guide_1.1.1.pdf` | Feasycom FSC-BT1035 | **AT command reference** — firmware `core::Bt1035At*` maps to §5/§6 |
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## Firmware cross-reference
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| Manual section | Primary datasheet |
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|----------------|-------------------|
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| `ch-hardware.tex` §validation | `SI4684-A10.pdf`, `AN851.pdf`, `adau1701.pdf`, BT1035 datasheets |
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| `ch-bt1035.tex` §AT commands | `FSC-BT1035_programming_user_guide_1.1.1.pdf` §5 |
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When extending BT1035 commands, cite the programming guide section in code comments
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and add a host test in `Software/components/core/test/bt1035_at_test.cpp`.
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