LC5739 Datasheet, PDF (1/18 Pages) Sanyo Semicon Device – 4-Bit Microcontroller with LCD Driver

Ordering number : ENN*6704
CMOS IC
LC5739
4-Bit Microcontroller
with LCD Driver
Preliminary
Overview
The LC5739 is a CMOS 4-bit microcontroller that operates on low voltage and very low power consumption. It also
contains 4K-byte ROM, 128-byte RAM, LCD drivers and melody function.
Features
(1) ROM
:4096 × 8 bits
(2) RAM
:128 × 4 bits
(3) Cycle Time
Cycle Time
122µs
122µs
122µs
Oscillation source
Crystal oscillation
RC oscillation
Crystal oscillation
Crystal oscillation
RC oscillation
Oscillation frequency
32.768kHz
32.768kHz
32.768kHz
Power supply voltage
1.30 - 1.65V
2.60 - 3.60V
2.60 - 3.60V
Power source
Ag Battery
Li Battery
External voltage
supply
(4) Input / Output Terminals
- Input ports
: 4 terminals (S-port : 4 terminals)
- Input / Output ports : 8 terminals (P0 port : 4 terminals, P1 port : 4 terminals)
- Output ports
: 2 terminals (Buzzer / melody output terminal : 1 terminal,
General output port : 1 terminal)
- LCD segment output ports
: 32 terminals (Possible to use output port by mask option)
- LCD common output ports
: 4 terminals
Ver.1.14
22698
91400 RM (IM) HO No.6704-1/18