1. Low power dissipation.
1.5V/3V operating voltage range.
2. Powerful instruction set.
Binary addition, subtraction, BCD adjustment. BCD can be executed
directly in addition, subtraction operation.
4 bits x 4 bits Multiplier
Single-bit manipulation (set, reset, decision for branch).
Various conditional branches.
16 initial working registers and manipulators. (can be extended to all RAM by Page Mode)
LCD driver data transfer.
3. ROM capacity. 16K x 16 bits.
Instructon ROM Max. cpacity 16K x 16 bits.
Table ROM Max. capacity 24K/12K x 8/16 bits.
4. RAM capacity. 4K/2K/1K x 4/8/16 bits.
LCD Max. capacity 256/128/64 x 4/8/16 bits.
STACK Max. capacity 16 x 16 bits.
HL/ZR store Max. capacity 16/16 x 16 bits.
5. With direct/index addressing mode in data RAM access.
6. LCD driver output.
Max 960 LCD dots by 16common outputs and 60 segment outputs.
COM12~16 can be defined as SEG64~61 by option.
SEG41~60 can be defined as
IOB1~4,KI1~4,ELC,ELP,BZB,BZ,IOD1~4,IOC1~4 by option.
1/4~1/16 Duty can be selected by option.
1/3 ~1/5 Bias can be selected by option.
Single instruction to turn off all segments.
COM5~16 can be defined as CMOS or P_open drain type output by option.
External regulator mode for VL1/2 by option.
7. Input/output ports.
Port IOA 4 pins (with internal pull-low, input signal chattering prevention circuitry), and can be defined as CX,RFC0~2 by option.
Port IOB 4 pins (with internal pull-low), and can be defined as SEG41~44 by option.
Port IOC 4 pins (with internal pull-low, low-level-hold, input signal chattering prevention circuitry), and can be defined as SEG57~60 by option.
Port IOD 4 pins (with internal pull-low, input signal chattering prevention circuitry), and can be defined as SEG53~56 by option.
Port IOE 4 pins (with internal pull-low), and can be defined as RFC3~5,CX2 by option.
8. Interrupt function.
External factors 5 (INT pin, Port IOA, IOC, IOD & KI input).
Internal factors 5 (Pre-Divider, Timer1, Timer2, Timer3 & RFC).
9. Built-in EL-light driver.
ELC, ELP. Can be defined as SEG49,50 by option.
10. Built-in Alarm, clock or single tone melody generator.
BZB, BZ. Can be defined as SEG51,52 by option.
11. Built-in resistance to frequency converter.
CX,RFC0~5,CX2. Can be defined as IOA1~4,IOE1~4 by option.
12. Built-in key matrix scanning function.
KO1~KO16(Shared with SEG1~16)
KI1~KI4. Can be defined as SEG45~48 by option.
13. Three 6-bit programmable timer with programmable clock source.
Read out the content in anytime
Merged 2 or 3 timers as 12-bit or 18-bit timer
Used as counter for RFC
14. Watchdog timer.
15. Built-in voltage charge halver & pump circuit.
16. Dual clock operation
slow clock oscillation can be defined as X’tal or external RC type oscillator by option.
fast clock oscillation can be defined as 3.58MHz ceramic resonator, internal R or external R type oscillator by option.
17. HALT function.
18. STOP function.