Features
☆ CM8411-based single-chip 4-bit micro controller
☆ ROM: 2048*16bits
☆ RAM: 96*4bits
☆ Operation voltage 1 : 1.5V,just used for LCD type
☆ Operation voltage 2 : 3.0~5.0V,used for I/O type
☆ 2 CMOS programmable bi-directional I/O pins: PB0,PB1
☆ 2 input pins : PB2, PB3
☆4-Level subroutine nesting (include interrupts)
☆Powerful interrupt sources:
Reserved
Internal interrupt(Timer0)
Reserved
PORTB's rising edge interrupt (INT1)
☆ One 8-bit auto re-load timer
☆ Warm-up timer for power-on reset
☆ Instruction cycle time:
122.07us for 32.768KHz crystal
30.3us for 131KHz RC
☆ Built-in Melody generator,
☆ Built-in voltage charge pump circuit
☆ LCD driver: (SEG11, 12 share with PB2, 3)
48 dots(1/4duty 1/2 bias)
36 dots(1/3duty 1/2bias)
☆ Two low power operation modes: HALT and STOP
☆ Low power consumption
☆Available in CHIP FORM