| Pin Name | Pin Type | Pin Description | Circuit Type | Pin Numbers | Share Pins |
| PO0 | I/O | Input mode or push-pull output mode is software configurable. PO.O: PWMO (14-bit PWM Output) | 6 | 1 | PWMO |
| PO.1 -P0.2 P0.3 | General l/0 Port (3-bit), Input or n-channel open-drain output is software configurable. Pins can withstand up t0 6-volt loads. An alternative function is supported. PO.1: PWMl (14-Bit PWM Output) | 3 | 2-3 42 | PWM1 |
| P0.4-P0.7 | General l/0 Port (4-bit), Input or Output mode (push-pull or n-channel open drain) is software configurable. | 7 | 38-41 | |
| P1.O-P1.3 | I/O | Input/output mode or push-pull output mode is software configurable. | 6 | 4-7 | |
| P1 .4-P1.7 | General I/O Port (4-bit), configurable for digital input or n-channel open drain output. P1.4-P1.7 can withstand up t0 5-volt loads. Multiplexed for alternative use as external inputs ADCl-ADC4. | 4 | 8-11 | ADCl- ADC4 |
| P2.O-P2.3 | I/O | General I/O Port (4-bit), input or push-pull output mode is software configurable. Multiplexed for alternative use as external interrupt inputs INTO-INT3. | 2 | 14-17 | INTO-INT3 |
| P2.4-P2.7 | I/O | Input mode or push-pull output mode is software configurable. An alternative function is supported. P2.7: OSDHT (Halftone signal output) | 6 | 18-21 | OSDHT |
| P3.0 | I/O | Input mode or push-pull output mode is software configurable. | 6 | 35 | |
| PWMO | O | Output pin for 14-bit PWMO circuit | 6 | 1 | PO0 |
| PWM1 | O | Output pin for 14-bit PWMl circuit | 3 | 2 | PO.1 |
| ADCl-4 | l | Input for 4-bit resolution flash A/D Converter | 4 | 8-11 | P1 .4-7 |
| INTO-INT3 | I | External interrupt input pins | 2 | 14-17 | P2.0-3 |
| OSDHT | O | Halftone control signal output for OSD | 6 | 21 | P2.7 |
| IRIN | I | Remocon signal input Normal mode: Remocon signal input OTP Write mode: Vpp=12.5 V | 1 | 36 | |
| CVI IN | I | Video signal input | 8 | 28 | ADCO |
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