V DMA BLOCK: HSDMA
Register name | Address | Bit | Name | Function |
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| Setting | Init. | R/W | Remarks | ||||
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004824A | DF | D2MOD1 | Ch.2 transfer mode | D2MOD[1:0] |
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| Mode | 0 | R/W |
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DMA Ch.2 | (HW) | DE | D2MOD0 |
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| 1 |
| 1 |
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| Invalid | 0 |
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| 1 |
| 0 |
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| Block |
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destination |
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| 0 |
| 1 |
| Successive |
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address |
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| 0 |
| 0 |
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| Single |
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register |
| DD | D2IN1 | D) Ch.2 destination address | D2IN[1:0] |
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| Inc/dec | 0 | R/W |
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| DC | D2IN0 | control |
| 1 |
| 1 |
| Inc.(no init) | 0 |
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Note: |
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| S) Invalid |
| 1 |
| 0 |
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| Inc.(init) |
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D) Dual address |
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| 0 |
| 1 |
| Dec.(no init) |
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mode |
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| 0 |
| 0 |
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| Fixed |
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S) Single |
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| DB | D2ADRH11 | D) Ch.2 destination |
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| X | R/W |
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address |
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| DA | D2ADRH10 | address[27:16] |
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| X |
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mode |
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| D9 | D2ADRH9 | S) Invalid |
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| X |
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| D8 | D2ADRH8 |
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| X |
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| D7 | D2ADRH7 |
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| X |
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| D6 | D2ADRH6 |
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| X |
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| D5 | D2ADRH5 |
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| X |
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| D4 | D2ADRH4 |
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| X |
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| D3 | D2ADRH3 |
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| X |
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| D2 | D2ADRH2 |
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| X |
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| D1 | D2ADRH1 |
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| X |
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| D0 | D2ADRH0 |
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| X |
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004824C | – | reserved |
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| – |
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| – | – | Undefined in read. | ||
DMA Ch.2 | (HW) |
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enable register |
| D0 | HS2_EN | Ch.2 enable | 1 |
| Enable | 0 |
| Disable | 0 | R/W |
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004824E | – | reserved |
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| – |
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| – | – | Undefined in read. | ||
DMA Ch.2 | (HW) |
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trigger flag |
| D0 | HS2_TF | Ch.2 trigger flag clear (writing) | 1 |
| Clear |
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| 0 |
| No operation | 0 | R/W |
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register |
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| Ch.2 trigger flag status (reading) | 1 |
| Set |
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| 0 |
| Cleared |
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0048250 | DF | TC3_L7 | Ch.3 transfer counter[7:0] |
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| X | R/W |
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DMA Ch.3 | (HW) | DE | TC3_L6 | (block transfer mode) |
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| X |
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transfer |
| DD | TC3_L5 |
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| X |
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counter |
| DC | TC3_L4 | Ch.3 transfer counter[15:8] |
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| X |
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register |
| DB | TC3_L3 | (single/successive transfer mode) |
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| X |
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| DA | TC3_L2 |
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| X |
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| D9 | TC3_L1 |
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| X |
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| D8 | TC3_L0 |
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| X |
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| D7 | BLKLEN37 | Ch.3 block length |
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| X | R/W |
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| D6 | BLKLEN36 | (block transfer mode) |
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| X |
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| D5 | BLKLEN35 |
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| X |
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| D4 | BLKLEN34 | Ch.3 transfer counter[7:0] |
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| X |
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| D3 | BLKLEN33 | (single/successive transfer mode) |
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| X |
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| D2 | BLKLEN32 |
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| X |
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| D1 | BLKLEN31 |
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| X |
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| D0 | BLKLEN30 |
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| X |
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0048252 | DF | DUALM3 | Ch.3 address mode selection | 1 |
| Dual addr | 0 |
| Single addr | 0 | R/W |
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DMA Ch.3 | (HW) | DE | D3DIR | D) Invalid |
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| – |
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| – | – |
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control register |
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| S) Ch.3 transfer direction control | 1 |
| Memory WR | 0 |
| Memory RD | 0 | R/W |
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| – | reserved |
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| – |
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| – | – | Undefined in read. | |
Note: |
| D7 | TC3_H7 | Ch.3 transfer counter[15:8] |
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| X | R/W |
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D) Dual address |
| D6 | TC3_H6 | (block transfer mode) |
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| X |
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mode |
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| D5 | TC3_H5 |
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| X |
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S) Single |
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| D4 | TC3_H4 | Ch.3 transfer counter[23:16] |
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| X |
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address |
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| D3 | TC3_H3 | (single/successive transfer mode) |
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| X |
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mode |
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| D2 | TC3_H2 |
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| X |
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| D1 | TC3_H1 |
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| X |
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| D0 | TC3_H0 |
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| X |
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HSDMA
S1C33L03 FUNCTION PART | EPSON |