1 | 2 | 3 | 4 |
A
PEF001A9 (PCB ASSY : IC4)
•
Pin Arrangement (Top view)
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| PB5 | 1 |
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| PB4 |
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| 2 |
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| PA3 |
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| 3 |
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| PA2 |
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| 4 |
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| PA1 |
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| 5 |
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| PA0 |
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| 6 |
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| PB3 |
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| 7 |
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| PB2 |
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B | 8 |
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| PB1/BZ |
| 9 |
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| PB0/BZ |
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| 10 |
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| VSS |
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| 11 |
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| PG0/INT |
| 12 |
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| PC0/TMR0 |
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| 13 |
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| PC1 |
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| 14 |
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28 PB6
27PB7
26PA4
25PA5
24PA6
23PA7
22OSC2/PG2
21OSC1/PG1
20VDD
19RES
18PC5/TMR1
17PC4
16PC3
15PC2
Pin Function
| No. | Pin Name | I/O | Pin Function |
C | 1 | PB5 | O | LED control |
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| 2 | PB4 | O | LED control |
| 3 | PA3 | O | LED control |
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| 4 | PA2 | O | LED control |
| 5 | PA1 | O | LED control |
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| 6 | PA0 | O | LED control |
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| 7 | PB3 | O | Chip enable output for DSP |
| 8 | PB2 | O | Chip select output for DSP |
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| 9 | PB1 | O | Serial clock output |
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| 10 | PB0 | O | Serial data output |
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D | 11 | VSS | − | Ground |
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| 12 | PG0 | I | Serial data input |
| 13 | PC0 | I | Key input 1 |
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| 14 | PC1 | I | Key input 2 |
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| 15 | PC2 | I | Key input 3 |
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| 16 | PC3 | I | Key input 4 |
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| 17 | PC4 | I | Battery detection input |
| 18 | PC5 | I | Battery voltage abnormality detection |
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| 19 | RES | − | External reset input |
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| 20 | VDD | − | Power supply |
E | 21 | OSC1 | I | CR oscillation input |
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| 22 | OSC2 | O | Oscillation output |
| 23 | PA7 | O | LED control |
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| 24 | PA6 | O | Charge control |
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| 25 | PA5 | O | IR LED control |
| 26 | PA4 | O | A/D reset output |
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| 27 | PB7 | O | DSP reset output 1 |
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| 28 | PB6 | O | DSP reset output 2 |
F
48
1 | 2 |
3 | 4 |
