SH66P51

SH66P51 OTP 2K 4-bit micro-controller with LCD Driver Features SH6610C-based single-chip 4-bit micro-controller OTP ROM: 2K X 16 bits RAM: 128 X 4 bits (Data RAM) Operation voltage: 1.8V - 3.6V (Typically 3.0V) 18 CMOS bi-directional I/O pins PORTA - PORTE; PORTC shared with LCD SEG1 - 4 PORTD shared with LCD SEG5 - 8 PORTE shared with OSCXI, OSCXO 4-level subroutine nesting (including interrupts) One 8-bit auto re-load timer/counter One 8-bit base timer Warm-up timer for power-on reset Powerful interrupt sources: - Internal interrupt (Timer0). - Internal interrupt (Base Timer) - External interrupts: PORTB & PORTC (falling edge). Built-in remote control programmable carrier synthesizer Built-in in LCD voltage regulator Pull-high resistor for reset pin (select by Code Option) Built-in Low Power Detect (2.3 ± 0.1V) LCD driver: 3 X 29 dots (1/3 duty 1/3 bias) 4 X 28 dots (1/4 duty 1/3 bias) 5 X 27 dots (1/5 duty 1/3 bias) 6 X 26 dots (1/6 duty 1/3 bias) Dual Clock Source OSC (select by Code Option): - Crystal oscillator: 32.768kHz - RC oscillator: 131kHz OSCX: - Ceramic/Crystal oscillator: 400k - 4MHz - Built-in RC: (4MHz ± 2%) Instruction Cycle Time (4/fOSC) Two low power operation modes: HALT and STOP Built-in watchdog timer Built-in Low Voltage Reset Circuit (1.7 ± 0.1V) General Description SH66P51 is dedicated to infrared remote control transmitter with LCD applications. This chip integrates the SH6610C 4-bit CPU core with SRAM, OTP ROM, one 8-bit timer, one base timer...