SH66P14A

SH66P14A OTP 4-bit Microcontroller with LCD Driver Features SH6610C-based single-chip 4-bit microcontroller OTPROM: 4096 X 16 bits RAM: 512 X 4 bits (System & Data memory) Operation voltage: 2.4V - 5.5V 8 CMOS bi-directional I/O pins 4-Level subroutine nesting (include interrupts) One 8-bit auto re-load timer/counter 8-bit Base timer Powerful interrupt sources: - 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 Built-in dual tone PSG with one noise generator 2 Clock source OSC: (code option) - Crystal oscillator 32.768K - RC oscillator: 262K OSCX: (system register select) - Ceramic oscillator 455K - RC oscillator 1.8M or 2M Instruction cycle time: - 122.07µs for 32.768 KHz crystal - 15.27µs for 262 KHz RC - 8.79µs for 455KHz ceramic - 2.22µs for 1.8 MHz RC - 2µs for 2.0 MHz RC Two low power operation mode: HALT and STOP Low power consumption Warm up timer for power on reset General 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. Pad Configuration S S S S S S S S S S S S S CC EEEEEEEEEEEEE 87 GGGGGGGGGGGGG / / 1 1 2 2 2 2 2 2 2 2 2 2 3 SS 8 9 0 1 2 3 4 5 6 7 8 9 0 31 32 SEG17 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 ...