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[/] [neorv32/] [trunk/] [docs/] [datasheet/] [on_chip_debugger.adoc] - Diff between revs 65 and 66
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| Rev 65 |
Rev 66 |
| Line 356... |
Line 356... |
|=======================
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|=======================
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| Bit | Name [RISC-V] | R/W | Description / required value
|
| Bit | Name [RISC-V] | R/W | Description / required value
|
| 31:24 | `cmdtype` | -/w | `00000000` to indicate "access register" command
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| 31:24 | `cmdtype` | -/w | `00000000` to indicate "access register" command
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| 23 | _reserved_ | -/w | reserved, has to be `0` when writing
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| 23 | _reserved_ | -/w | reserved, has to be `0` when writing
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| 22:20 | `aarsize` | -/w | `010` to indicate 32-bit accesses
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| 22:20 | `aarsize` | -/w | `010` to indicate 32-bit accesses
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| 21 | `aarpostincrement` | -/w | `0`, postincrement is not supported
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| 21 | `aarpostincrement` | -/w | `0`, post-increment is not supported
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| 18 | `postexec` | -/w | if set the program buffer is executed _after_ the command
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| 18 | `postexec` | -/w | if set the program buffer is executed _after_ the command
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| 17 | `transfer` | -/w | if set the operation in `write` is conducted
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| 17 | `transfer` | -/w | if set the operation in `write` is conducted
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| 16 | `write` | -/w | `1`: copy `data0` to `[regno]`; `0` copy `[regno]` to `data0`
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| 16 | `write` | -/w | `1`: copy `data0` to `[regno]`; `0` copy `[regno]` to `data0`
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| 15:0 | `regno` | -/w | GPR-access only; has to be `0x1000` - `0x101f`
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| 15:0 | `regno` | -/w | GPR-access only; has to be `0x1000` - `0x101f`
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|=======================
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|=======================
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