SN8P2808芯片解密

特点
　　Single power: 2.4V~5.5V
　　OTP ROM size: 6K * 16 bits
　　RAM size: 256 * 8 bits
　　8-levels stack buffer
　　Bi-directional: P0, P1, P2, P4, P5
　　Wakeup: P0, P1
　　Pull-up resisters: P0, P1, P2, P4, P5
　　Shared pin with LCD segment: P2
　　Shared pin with ADC channel: P4
　　External interrupt: P0
　　12-bit ADC with 8 Channel
　　Four internal interrupts: T0, TC0, TC1, ADC
　　Two external interrupts: INT0, INT1
　　On-chip watchdog timer
　　Build in ADC reference voltage AVREFH=2V/3V/4V/VDD.
　　LCD driver:1/3 or 1/4 bias voltage、4 common * 32 segment、8 common * 28 segment.
　　External high clock: Crystal type up to 16 MHz，RC type up to 10MHz
　　External low clock: Crystal type 32768Hz or RC Type
　　Support MUL instruction
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