1. 1.5V and 3V operations and with low power dissipation.
2. Powerful instruction set (129 instructions).
Single-bit manipulation (set, reset, decision for branch).
Various conditional branches.
16 working registers and manipulation.
LCD driver data transfer.
3. Memory capacity.
ROM capacity 1152 x 16 bits.
RAM capacity 80 x 4 bits.
4. LCD driver output.
5 common outputs and 24 segment outputs (up to drive 120 LCD pixels).
1/1 Duty, 1/2 Duty, 1/3 Duty, 1/4 Duty or 1/5 Duty is selected by MASK option.
1/2 Bias or 1/3 Bias is selected by MASK option.
Single instruction to turn off all segments and coms.
Segment output pins (SEG1~12) could be defined as CMOS or P_open drain output type by mask option.
5. Input/output ports.
Port IOA 4 pins, muxed with SEG24~SEG27.
Port IOB 4 pins (with internal pull-low), muxed with SEG28~SEG31.
Port IOC 4 pins (with internal pull-low), muxed with SEG32~SEG35.
IOC port had built in the input signal chattering prevention circuitry.
6. 8 level subroutine nesting.
7. Interrupt function.
External factors 2 (INT pin, Port IOC).
Internal factors 2 (Pre-Divider, Timer1).
8. Built in Alarm generator.
BZB, BZ (Muxed with SEG30, SEG31).
9. One 6-bit programmable timer with programmable clock source.
10. Built-in Voltage doubler, tripler charge pump circuit.
11. Dual clock operation.
12. HALT function.
13. STOP function.