SH66P14A Description
SH66P14A is a single chip microcontroller integrated with SRAM, OTP ROM, Timer and Dual-tone PSG, LCD driver and I/O port. This chip builds in a dual-oscillator to enhance the total chip performance.
SH66P14A Key Features
- 5.5V 8 CMOS bi-directional I/O pins 4-Level subroutine nesting (include interrupts) One 8-bit auto re-load timer/counter
- External interrupts ( INT0 )
- Internal interrupt (Timer0)
- Internal interrupt (Base Timer)
- Port's falling edge interrupt: PORTB ( INT1 ) LCD driver
- 240 dots (1/8 duty 1/4 bias)
- 136 dots (1/4 duty 1/3 bias) LCD used as scan output
- Crystal oscillator 32.768K
- RC oscillator: 262K OSCX: (system register select)
- Ceramic oscillator 455K