SH67P53

SH67P53 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 driver: 4X20 dots (1/4 duty 1/3 bias) LCD used as scan output LCD shared as LED matrix Built-in watch dog timer Two LPD level (OTP option) - Level 1: 4.0V - Level 2: 2.5V 2 Clock sources OSC: (OTP option select crystal or RC type) - Crystal oscillator: 32.768kHz - RC oscillator: 262kHz OSCX: (system register selected ceramic or RC type) - Ceramic oscillator 400k-8MHz - RC oscillator 2MHz-8MHz Instruction cycle time: - 122.07µs for 32.768 kHz crystal - 15.27µs for 262 kHz RC - 8.79µs for 455kHz ceramic - 2µs for 2.0 MHz RC - 0.5µs for 8.0 MHz ceramic User program can read ROM data Two low power operation modes: HALT and STOP Low power consumption OTP type General Description SH67P53 is a single chip microcontroller integrated with SRAM, 4K OTPROM, timer, watchdog timer, LCD driver, LED Matrix...