4 PERIPHERAL CIRCUITS
Register name | Address | Bit | Name | Function |
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| Setting |
| Init. | R/W | Remarks | |||
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Interrupt factor | 00402C5 | D7 | T8CH5S0 | 1 |
| T8 Ch.5 UF | 0 |
| FP7 |
| 0 | R/W |
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FP function |
| D6 | SIO3TS0 | SIO Ch.3 transmit buffer empty | 1 |
| SIO Ch.3 | 0 |
| FP6 |
| 0 | R/W |
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switching |
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| TXD Emp. |
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register |
| D5 | T8CH4S0 | 1 |
| T8 Ch.4 UF | 0 |
| FP5 |
| 0 | R/W |
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| D4 | SIO3RS0 | SIO Ch.3 receive buffer full | 1 |
| SIO Ch.3 | 0 |
| FP4 |
| 0 | R/W |
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| RXD Full |
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| D3 | SIO2TS0 | SIO Ch.2 transmit buffer empty | 1 |
| SIO Ch.2 | 0 |
| FP3 |
| 0 | R/W |
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| TXD Emp. |
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| D2 | SIO3ES0 | SIO Ch.3 receive error | 1 |
| SIO Ch.3 | 0 |
| FP2 |
| 0 | R/W |
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| RXD Err. |
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| D1 | SIO2RS0 | SIO Ch.2 receive buffer full | 1 |
| SIO Ch.2 | 0 |
| FP1 |
| 0 | R/W |
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| RXD Full |
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| D0 | SIO2ES0 | SIO Ch.2 receive error | 1 |
| SIO Ch.2 | 0 |
| FP0 |
| 0 | R/W |
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| RXD Err. |
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Port input | 00402C6 | D7 | SPT31 | FPT3 interrupt input port selection |
| 11 | 10 |
| 01 | 00 | 0 | R/W |
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interrupt select | (B) | D6 | SPT30 |
| P23 | P03 | CP4 | K63 | 0 |
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register 1 |
| D5 | SPT21 | FPT2 interrupt input port selection |
| 11 | 10 |
| 01 | 00 | 0 | R/W |
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| D4 | SPT20 |
| P22 | P02 | K52 | K62 | 0 |
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| D3 | SPT11 | FPT1 interrupt input port selection |
| 11 | 10 |
| 01 | 00 | 0 | R/W |
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| D2 | SPT10 |
| P21 | P01 | K51 | K61 | 0 |
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| D1 | SPT01 | FPT0 interrupt input port selection |
| 11 | 10 |
| 01 | 00 | 0 | R/W |
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| D0 | SPT00 |
| P20 | P00 | K50 | K60 | 0 |
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Port input | 00402C7 | D7 | SPT71 | FPT7 interrupt input port selection |
| 11 | 10 |
| 01 | 00 | 0 | R/W |
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interrupt select | (B) | D6 | SPT70 |
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| P27 | – |
| P33 | CP3 | 0 |
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register 2 |
| D5 | SPT61 | FPT6 interrupt input port selection |
| 11 | 10 |
| 01 | 00 | 0 | R/W |
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| D4 | SPT60 |
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| P26 | – |
| P32 | CP2 | 0 |
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| D3 | SPT51 | FPT5 interrupt input port selection |
| 11 | 10 |
| 01 | 00 | 0 | R/W |
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| D2 | SPT50 |
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| P25 | P05 |
| P31 | CP1 | 0 |
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| D1 | SPT41 | FPT4 interrupt input port selection |
| 11 | 10 |
| 01 | 00 | 0 | R/W |
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| D0 | SPT40 |
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| P24 | P04 |
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| – | CP0 | 0 |
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Port input | 00402C8 | D7 | SPPT7 | FPT7 input polarity selection | 1 |
| High level | 0 |
| Low level | 1 | R/W |
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interrupt | (B) | D6 | SPPT6 | FPT6 input polarity selection |
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| or |
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| or | 1 | R/W |
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input polarity |
| D5 | SPPT5 | FPT5 input polarity selection |
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| Rising edge |
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| Falling | 1 | R/W |
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select register |
| D4 | SPPT4 | FPT4 input polarity selection |
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| edge | 1 | R/W |
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| D3 | SPPT3 | FPT3 input polarity selection |
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| 1 | R/W |
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| D2 | SPPT2 | FPT2 input polarity selection |
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| 1 | R/W |
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| D1 | SPPT1 | FPT1 input polarity selection |
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| 1 | R/W |
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| D0 | SPPT0 | FPT0 input polarity selection |
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| 1 | R/W |
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Port input | 00402C9 | D7 | SEPT7 | FPT7 edge/level selection | 1 |
| Edge | 0 |
| Level | 1 | R/W |
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interrupt | (B) | D6 | SEPT6 | FPT6 edge/level selection |
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| 1 | R/W |
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edge/level |
| D5 | SEPT5 | FPT5 edge/level selection |
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| 1 | R/W |
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select register |
| D4 | SEPT4 | FPT4 edge/level selection |
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| 1 | R/W |
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| D3 | SEPT3 | FPT3 edge/level selection |
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| 1 | R/W |
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| D2 | SEPT2 | FPT2 edge/level selection |
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| 1 | R/W |
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| D1 | SEPT1 | FPT1 edge/level selection |
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| 1 | R/W |
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| D0 | SEPT0 | FPT0 edge/level selection |
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| 1 | R/W |
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Key input | 00402CA | – | reserved |
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| – |
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| – | – | 0 when being read. | |
interrupt select | (B) | D3 | SPPK11 | FPK1 interrupt input port selection |
| 11 | 10 |
| 01 | 00 | 0 | R/W |
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register |
| D2 | SPPK10 |
| P2[7:4] | P0[5:4] | CP[3:0] | K6[3:0] | 0 |
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| D1 | SPPK01 | FPK0 interrupt input port selection |
| 11 | 10 |
| 01 | 00 | 0 | R/W |
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| D0 | SPPK00 |
| P2[4:0] | P0[4:0] | K6[3:0] | K5[2:0] | 0 |
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| CP0 | CP4 |
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Interrupt factor | 00402CB | D7 | T8CH5S1 | 1 |
| T8 Ch.5 UF | 0 |
| TM16 Ch.2 | 0 | R/W |
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TM16 function |
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| comp.A |
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switching |
| D6 | T8CH4S1 | 1 |
| T8 Ch.4 UF | 0 |
| TM16 Ch.2 | 0 | R/W |
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register |
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| comp.B |
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| D5 | SIO3ES1 | SIO Ch.3 receive error | 1 |
| SIO Ch.3 | 0 |
| TM16 Ch.3 | 0 | R/W |
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| RXD Err. |
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| comp.A |
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| D4 | SIO2ES1 | SIO Ch.2 receive error | 1 |
| SIO Ch.2 | 0 |
| TM16 Ch.3 | 0 | R/W |
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| RXD Err. |
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| comp.B |
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| D3 | SIO3TS1 | SIO Ch.3 transmit buffer empty | 1 |
| SIO Ch.3 | 0 |
| TM16 Ch.4 | 0 | R/W |
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| TXD Emp. |
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| comp.A |
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| D2 | SIO3RS1 | SIO Ch.3 receive buffer full | 1 |
| SIO Ch.3 | 0 |
| TM16 Ch.4 | 0 | R/W |
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| RXD Full |
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| comp.B |
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| D1 | SIO2TS1 | SIO Ch.2 transmit buffer empty | 1 |
| SIO Ch.2 | 0 |
| TM16 Ch.5 | 0 | R/W |
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| TXD Emp. |
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| comp.A |
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| D0 | SIO2RS1 | SIO Ch.2 receive buffer full | 1 |
| SIO Ch.2 | 0 |
| TM16 Ch.5 | 0 | R/W |
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| RXD Full |
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| comp.B |
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EPSON | S1C33210 PRODUCT PART |