SH67P53
SH67P53 is OTP/Mask 4-Bit micro-controller manufactured by Sino Wealth.
Preliminary
OTP 4-Bit Microcontroller with LCD Driver
Features
SH6610C based single-chip 4-bit microcontroller OTPROM: 4K X 16 bits RAM: 176X4bits (32register + 144 data RAM) Operation voltage: fOSC=400kHz
- 4MHz, VDD=2.4V
- 6.0V fOSC=4MHz
- 8MHz, VDD=4.5V
- 6.0V 12 CMOS bi-directional I/O pins(PORT C can switch to segment) Built in pull-up and pull-low resistor for I/O 4-Level subroutine nesting (include interrupts) One 8-bit auto re-load timer/counter Warm-up timer for power-on reset Powerful interrupt sources:
- External rising/falling interrupt
- Internal interrupt (Timer0)
- Internal interrupt (Base Timer)
- Port's rising/falling edge interrupt: PORTBC 8-bit Base timer LCD...