Description
SH66P22A is a 4-bit micro controller.
This chip integrates the SH6610C 4-bit CPU core with SRAM, 4K OTPROM, Timer and I/O Ports.
Features
- SH6610C-based single-chip 4-bit micro-controller OTPROM: 4K X 16 bits RAM: 160 X 4 bits (data memory) Operation voltage: 2.4V - 6.0V (typical 3.0V or 5.0V) 22 CMOS bi-directional I/O pins 4-level subroutine nesting (including interrupts) One 8-bit auto re-load timer/counter Warm-up timer for power on reset Powerful interrupt sources: - Internal interrupt (Timer0) - External interrupts: PortB & PortC (falling edge) Oscillator (OTP option) - X`tal oscillator: 32.768KHz - 4MHz - Ceramic resonator:.