4 PERIPHERAL CIRCUITS
Register name | Address | Bit | Name |
| Function |
| Setting |
| Init. | R/W | Remarks | ||
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Key input | 00402CC | – | reserved |
| – |
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| – | – | 0 when being read. | ||
interrupt | (B) | D4 | SCPK04 | FPK04 input comparison | 1 | High | 0 |
| Low | 0 | R/W |
| |
(FPK0) input |
| D3 | SCPK03 | FPK03 input comparison |
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| 0 | R/W |
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comparison |
| D2 | SCPK02 | FPK02 input comparison |
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| 0 | R/W |
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register |
| D1 | SCPK01 | FPK01 input comparison |
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| 0 | R/W |
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| D0 | SCPK00 | FPK00 input comparison |
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| 0 | R/W |
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Key input | 00402CD | – | reserved |
| – |
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| – | – | 0 when being read. | ||
interrupt | (B) | D3 | SCPK13 | FPK13 input comparison | 1 | High | 0 |
| Low | 0 | R/W |
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(FPK1) input |
| D2 | SCPK12 | FPK12 input comparison |
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| 0 | R/W |
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comparison |
| D1 | SCPK11 | FPK11 input comparison |
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| 0 | R/W |
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register |
| D0 | SCPK10 | FPK10 input comparison |
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| 0 | R/W |
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Key input | 00402CE | – | reserved |
| – |
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| – | – | 0 when being read. | ||
interrupt | (B) | D4 | SMPK04 | FPK04 input mask | 1 | Interrupt | 0 |
| Interrupt | 0 | R/W |
| |
(FPK0) input |
| D3 | SMPK03 | FPK03 input mask |
| enabled |
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| disabled | 0 | R/W |
| |
mask register |
| D2 | SMPK02 | FPK02 input mask |
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| 0 | R/W |
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| D1 | SMPK01 | FPK01 input mask |
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| 0 | R/W |
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| D0 | SMPK00 | FPK00 input mask |
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| 0 | R/W |
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Key input | 00402CF | – | reserved |
| – |
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| – | – | 0 when being read. | ||
interrupt | (B) | D3 | SMPK13 | FPK13 input mask | 1 | Interrupt | 0 |
| Interrupt | 0 | R/W |
| |
(FPK1) input |
| D2 | SMPK12 | FPK12 input mask |
| enabled |
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| disabled | 0 | R/W |
| |
mask register |
| D1 | SMPK11 | FPK11 input mask |
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| 0 | R/W |
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| D0 | SMPK10 | FPK10 input mask |
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| 0 | R/W |
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P0 function | 00402D0 | D7 | CFP07 | P07 function selection | 1 | #SRDY1 | 0 |
| P07 | 0 | R/W | Extended functions | |
select register | (B) | D6 | CFP06 | P06 function selection | 1 | #SCLK1 | 0 |
| P06 | 0 | R/W | (0x402DF) | |
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| D5 | CFP05 | P05 function selection | 1 | SOUT1 | 0 |
| P05 | 0 | R/W |
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| D4 | CFP04 | P04 function selection | 1 | SIN1 | 0 |
| P04 | 0 | R/W |
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| D3 | CFP03 | P03 function selection | 1 | #SRDY0 | 0 |
| P03 | 0 | R/W |
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| D2 | CFP02 | P02 function selection | 1 | #SCLK0 | 0 |
| P02 | 0 | R/W |
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| D1 | CFP01 | P01 function selection | 1 | SOUT0 | 0 |
| P01 | 0 | R/W |
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| D0 | CFP00 | P00 function selection | 1 | SIN0 | 0 |
| P00 | 0 | R/W |
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P0 I/O port data | 00402D1 | D7 | P07D | P07 | I/O port data | 1 | High | 0 |
| Low | 0 | R/W |
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register | (B) | D6 | P06D | P06 | I/O port data |
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| 0 | R/W |
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| D5 | P05D | P05 | I/O port data |
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| 0 | R/W |
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| D4 | P04D | P04 | I/O port data |
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| 0 | R/W |
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| D3 | P03D | P03 | I/O port data |
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| 0 | R/W |
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| D2 | P02D | P02 | I/O port data |
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| 0 | R/W |
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| D1 | P01D | P01 | I/O port data |
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| 0 | R/W |
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| D0 | P00D | P00 | I/O port data |
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| 0 | R/W |
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P0 I/O control | 00402D2 | D7 | IOC07 | P07 | I/O control | 1 | Output | 0 |
| Input | 0 | R/W | This register |
register | (B) | D6 | IOC06 | P06 | I/O control |
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| 0 | R/W | indicates the values |
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| D5 | IOC05 | P05 | I/O control |
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| 0 | R/W | of the I/O control |
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| D4 | IOC04 | P04 | I/O control |
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| 0 | R/W | signals of the ports |
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| D3 | IOC03 | P03 | I/O control |
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| 0 | R/W | when it is read. (See |
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| D2 | IOC02 | P02 | I/O control |
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| 0 | R/W | detailed explanation.) |
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| D1 | IOC01 | P01 | I/O control |
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| 0 | R/W |
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| D0 | IOC00 | P00 | I/O control |
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| 0 | R/W |
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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 | EXCL5 | 0 |
| P16 | 0 | R/W |
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| #DMAEND1 |
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| D5 | CFP15 | P15 function selection | 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 port data | 00402D5 | D7 | – | reserved |
| – |
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| – | – | 0 when being read. | |
register | (B) | D6 | P16D | P16 | I/O port data | 1 | High | 0 |
| Low | 0 | R/W |
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| D5 | P15D | P15 | I/O port data |
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| 0 | R/W |
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| D4 | P14D | P14 | I/O port data |
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| 0 | R/W |
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| D3 | P13D | P13 | I/O port data |
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| 0 | R/W |
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| D2 | P12D | P12 | I/O port data |
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| 0 | R/W |
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| D1 | P11D | P11 | I/O port data |
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| 0 | R/W |
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| D0 | P10D | P10 | I/O port data |
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| 0 | R/W |
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S1C33L03 PRODUCT PART | EPSON |