III PERIPHERAL BLOCK: INPUT/OUTPUT PORTS
I/O Memory for Input Interrupts
Table 9.10 shows the control bits for the port input and key input interrupts.
Table 9.10 Control Bits for Input Interrupts
Register name | Address | Bit | Name | Function |
| Setting |
| Init. | R/W | Remarks | ||
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|
Port input 0/1 | 0040260 | D7 | – | reserved |
|
| – |
| – | – | 0 when being read. | |
interrupt | (B) | D6 | PP1L2 | Port input 1 interrupt level |
|
| 0 to 7 |
| X | R/W |
| |
priority register |
| D5 | PP1L1 |
|
|
|
|
|
| X |
|
|
|
| D4 | PP1L0 |
|
|
|
|
|
| X |
|
|
|
| D3 | – | reserved |
|
| – |
| – | – | 0 when being read. | |
|
| D2 | PP0L2 | Port input 0 interrupt level |
|
| 0 to 7 |
| X | R/W |
| |
|
| D1 | PP0L1 |
|
|
|
|
|
| X |
|
|
|
| D0 | PP0L0 |
|
|
|
|
|
| X |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Port input 2/3 | 0040261 | D7 | – | reserved |
|
| – |
| – | – | 0 when being read. | |
interrupt | (B) | D6 | PP3L2 | Port input 3 interrupt level |
|
| 0 to 7 |
| X | R/W |
| |
priority register |
| D5 | PP3L1 |
|
|
|
|
|
| X |
|
|
|
| D4 | PP3L0 |
|
|
|
|
|
| X |
|
|
|
| D3 | – | reserved |
|
| – |
| – | – | 0 when being read. | |
|
| D2 | PP2L2 | Port input 2 interrupt level |
|
| 0 to 7 |
| X | R/W |
| |
|
| D1 | PP2L1 |
|
|
|
|
|
| X |
|
|
|
| D0 | PP2L0 |
|
|
|
|
|
| X |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Key input | 0040262 | D7 | – | reserved |
|
| – |
| – | – | 0 when being read. | |
interrupt | (B) | D6 | PK1L2 | Key input 1 interrupt level |
|
| 0 to 7 |
| X | R/W |
| |
priority register |
| D5 | PK1L1 |
|
|
|
|
|
| X |
|
|
|
| D4 | PK1L0 |
|
|
|
|
|
| X |
|
|
|
| D3 | – | reserved |
|
| – |
| – | – | 0 when being read. | |
|
| D2 | PK0L2 | Key input 0 interrupt level |
|
| 0 to 7 |
| X | R/W |
| |
|
| D1 | PK0L1 |
|
|
|
|
|
| X |
|
|
|
| D0 | PK0L0 |
|
|
|
|
|
| X |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Port input 4/5 | 004026C | D7 | – | reserved |
|
| – |
| – | – | 0 when being read. | |
interrupt | (B) | D6 | PP5L2 | Port input 5 interrupt level |
|
| 0 to 7 |
| X | R/W |
| |
priority register |
| D5 | PP5L1 |
|
|
|
|
|
| X |
|
|
|
| D4 | PP5L0 |
|
|
|
|
|
| X |
|
|
|
| D3 | – | reserved |
|
| – |
| – | – | 0 when being read. | |
|
| D2 | PP4L2 | Port input 4 interrupt level |
|
| 0 to 7 |
| X | R/W |
| |
|
| D1 | PP4L1 |
|
|
|
|
|
| X |
|
|
|
| D0 | PP4L0 |
|
|
|
|
|
| X |
|
|
|
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|
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|
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|
|
|
|
| |
Port input 6/7 | 004026D | D7 | – | reserved |
|
| – |
| – | – | 0 when being read. | |
interrupt | (B) | D6 | PP7L2 | Port input 7 interrupt level |
|
| 0 to 7 |
| X | R/W |
| |
priority register |
| D5 | PP7L1 |
|
|
|
|
|
| X |
|
|
|
| D4 | PP7L0 |
|
|
|
|
|
| X |
|
|
|
| D3 | – | reserved |
|
| – |
| – | – | 0 when being read. | |
|
| D2 | PP6L2 | Port input 6 interrupt level |
|
| 0 to 7 |
| X | R/W |
| |
|
| D1 | PP6L1 |
|
|
|
|
|
| X |
|
|
|
| D0 | PP6L0 |
|
|
|
|
|
| X |
|
|
|
|
|
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|
|
|
|
|
|
|
| |
Key input, | 0040270 | – | reserved |
|
| – |
| – | – | 0 when being read. | ||
port input | (B) | D5 | EK1 | Key input 1 | 1 | Enabled |
| 0 | Disabled | 0 | R/W |
|
interrupt |
| D4 | EK0 | Key input 0 |
|
|
|
|
| 0 | R/W |
|
enable register |
| D3 | EP3 | Port input 3 |
|
|
|
|
| 0 | R/W |
|
|
| D2 | EP2 | Port input 2 |
|
|
|
|
| 0 | R/W |
|
|
| D1 | EP1 | Port input 1 |
|
|
|
|
| 0 | R/W |
|
|
| D0 | EP0 | Port input 0 |
|
|
|
|
| 0 | R/W |
|
|
|
|
|
|
|
|
|
|
|
| ||
Port input | 0040277 | – | reserved |
|
| – |
| – | – | 0 when being read. | ||
clock timer, | (B) | D5 | EP7 | Port input 7 | 1 | Enabled |
| 0 | Disabled | 0 | R/W |
|
A/D interrupt |
| D4 | EP6 | Port input 6 |
|
|
|
|
| 0 | R/W |
|
enable register |
| D3 | EP5 | Port input 5 |
|
|
|
|
| 0 | R/W |
|
|
| D2 | EP4 | Port input 4 |
|
|
|
|
| 0 | R/W |
|
|
| D1 | ECTM | Clock timer |
|
|
|
|
| 0 | R/W |
|
|
| D0 | EADE | A/D converter |
|
|
|
|
| 0 | R/W |
|
|
|
|
|
|
|
|
|
|
|
| ||
Key input, | 0040280 | – | reserved |
|
| – |
| – | – | 0 when being read. | ||
port input | (B) | D5 | FK1 | Key input 1 | 1 | Factor is |
| 0 | No factor is | X | R/W |
|
interrupt factor |
| D4 | FK0 | Key input 0 |
| generated |
| generated | X | R/W |
| |
flag register |
| D3 | FP3 | Port input 3 |
|
|
|
|
| X | R/W |
|
|
| D2 | FP2 | Port input 2 |
|
|
|
|
| X | R/W |
|
|
| D1 | FP1 | Port input 1 |
|
|
|
|
| X | R/W |
|
|
| D0 | FP0 | Port input 0 |
|
|
|
|
| X | R/W |
|
EPSON | S1C33L03 FUNCTION PART |