SH6614B Description
SH6614 (SH6614B, SH6614C) is a single chip microcontroller integrated with SRAM, timer and dual-tone PSG, LCD driver, and I/O port. This chip builds in a dual-oscillator to enhance the total chip performance.
SH6614B Key Features
- 6.0V ! 8 CMOS bi-directional I/O pins ! 4-Level subroutine nesting (include interrupts) ! One 8-bit auto re-load timer/c
- External interrupts ( INT0 )
- Internal interrupt (Timer0)
- Internal interrupt (Base Timer)
- Port's falling edge interrupt: PORTB ( INT1 ) ! 8-bit Base timer ! LCD driver
- Crystal oscillator 32.768K
- RC oscillator: 262K
- Ceramic oscillator 455K
- RC oscillator 1.8M or 2M ! Instruction cycle time
- 122.07µs for 32.768 KHz crystal