
V DMA BLOCK: HSDMA
Register name | Address | Bit | Name | Function |
| Setting | Init. | R/W | Remarks | |||
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P1 function | 00402D4 | D7 | – | reserved |
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| – |
| – | – | 0 when being read. | |
select register | (B) | D6 | CFP16 | P16 function selection 1 | 1 | EXCL5 |
| 0 | P16 | 0 | R/W |
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| #DMAEND1 |
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| D5 | CFP15 | P15 function selection 1 | 1 | EXCL4 |
| 0 | P15 | 0 | R/W |
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| #DMAEND0 |
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| D4 | CFP14 | P14 function selection | 1 | FOSC1 |
| 0 | P14 | 0 | R/W | Extended functions |
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| (0x402DF) |
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| D3 | CFP13 | P13 function selection | 1 | EXCL3 |
| 0 | P13 | 0 | R/W |
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| T8UF3 |
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| D2 | CFP12 | P12 function selection | 1 | EXCL2 |
| 0 | P12 | 0 | R/W |
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| T8UF2 |
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| D1 | CFP11 | P11 function selection | 1 | EXCL1 |
| 0 | P11 | 0 | R/W |
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| T8UF1 |
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| D0 | CFP10 | P10 function selection | 1 | EXCL0 |
| 0 | P10 | 0 | R/W |
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| T8UF0 |
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P1 I/O control | 00402D6 | D7 | – | reserved |
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| – |
| – | – | 0 when being read. | |
register | (B) | D6 | IOC16 | P16 I/O control | 1 | Output |
| 0 | Input | 0 | R/W |
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| D5 | IOC15 | P15 I/O control |
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| 0 | R/W |
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| D4 | IOC14 | P14 I/O control |
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| 0 | R/W |
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| D3 | IOC13 | P13 I/O control |
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| 0 | R/W |
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| D2 | IOC12 | P12 I/O control |
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| 0 | R/W |
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| D1 | IOC11 | P11 I/O control |
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| 0 | R/W |
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| D0 | IOC10 | P10 I/O control |
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| 0 | R/W |
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P3 function | 00402DC | – | reserved |
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| – | – | 0 when being read. | ||
select register | (B) | D5 | CFP35 | P35 function selection | 1 | #BUSACK |
| 0 | P35 | 0 | R/W |
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| D4 | CFP34 | P34 function selection | 1 | #BUSREQ |
| 0 | P34 | 0 | R/W |
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| #CE6 |
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| D3 | CFP33 | P33 function selection 1 | 1 | #DMAACK1 |
| 0 | P33 | 0 | R/W |
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| D2 | CFP32 | P32 function selection 1 | 1 | #DMAACK0 |
| 0 | P32 | 0 | R/W |
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| D1 | CFP31 | P31 function selection | 1 | #BUSGET |
| 0 | P31 | 0 | R/W | Ext. func.(0x402DF) |
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| D0 | CFP30 | P30 function selection | 1 | #WAIT |
| 0 | P30 | 0 | R/W |
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| #CE4/#CE5 |
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Port function | 00402DF | – | reserved | 1 |
| – |
| – | – | Undefined when read. | ||
extension | (B) | D5 | CFEX5 | P05 port extended function | 1 | – |
| 0 | P05, etc. | 0 | R/W | Always set to 0. |
register |
| D4 | CFEX4 | P04 port extended function | 1 | – |
| 0 | P04, etc. | 0 | R/W | Always set to 0. |
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| D3 | CFEX3 | P31 port extended function | 1 | #GARD |
| 0 | P31, etc. | 0 | R/W |
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| D2 | CFEX2 | P21 port extended function | 1 | #GAAS |
| 0 | P21, etc. | 0 | R/W |
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| D1 | CFEX1 | P10, P11, P13 port extended | 1 | DST0 |
| 0 | P10, etc. | 1 | R/W |
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| function |
| DST1 |
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| P11, etc. |
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| DPC0 |
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| P13, etc. |
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| D0 | CFEX0 | P12, P14 port extended function | 1 | DST2 |
| 0 | P12, etc. | 1 | R/W |
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| DCLK |
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| P14, etc. |
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0048220 | DF | TC0_L7 | Ch.0 transfer counter[7:0] |
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| X | R/W |
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DMA Ch.0 | (HW) | DE | TC0_L6 | (block transfer mode) |
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| X |
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transfer |
| DD | TC0_L5 |
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| X |
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counter |
| DC | TC0_L4 | Ch.0 transfer counter[15:8] |
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| X |
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register |
| DB | TC0_L3 | (single/successive transfer mode) |
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| X |
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| DA | TC0_L2 |
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| X |
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| D9 | TC0_L1 |
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| X |
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| D8 | TC0_L0 |
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| X |
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| D7 | BLKLEN07 | Ch.0 block length |
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| X | R/W |
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| D6 | BLKLEN06 | (block transfer mode) |
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| X |
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| D5 | BLKLEN05 |
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| X |
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| D4 | BLKLEN04 | Ch.0 transfer counter[7:0] |
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| X |
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| D3 | BLKLEN03 | (single/successive transfer mode) |
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| X |
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| D2 | BLKLEN02 |
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| X |
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| D1 | BLKLEN01 |
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| X |
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| D0 | BLKLEN00 |
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| X |
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S1C33210 FUNCTION PART | EPSON |