SH6614 Datasheet | Sino Wealth

SH6614 SH6614B SH6614C 4K 4-Bit Microcontroller with LCD Driver Features ! SH6610C-based single-chip 4-bit microcontroller ! ROM: 4096 X 16 bits ! RAM: 512 X 4 bits ! Operation voltage: 2.4V - 6.0V ! 8 CMOS bi-directional I/O pins ! 4-Level subroutine nesting (include interrupts) ! One 8-bit auto re-load timer/counter ! Wem-up timer for power-on reset ! Powerful interrupt sources: - External interrupts ( INT0 ) - Internal interrupt (Timer0) - Internal interrupt (Base Timer) - Port's falling edge interrupt: PORTB ( INT1 ) ! 8-bit Base timer ! LCD driver: 240 dots (1/8 duty 1/4 bias) or 136 dots (1/4 duty 1/3 bias) ! LCD used as scan output ! Built-in dual tone PSG with one noise generator...