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LC573904 Datasheet(PDF) 1 Page - Sanyo Semicon Device

Part No. LC573904
Description  4-Bit Microcontroller with 4K-Byte ROM, 120 × 4Bits RAM and LCD Driver
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Maker  SANYO [Sanyo Semicon Device]
Homepage  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LC573904 Datasheet(HTML) 1 Page - Sanyo Semicon Device

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91400 RM (IM) HO No.6725-1/18
Ver.1.04
22698
Preliminary
Overview
The LC573904 is a CMOS 4-bit microcontroller that operates on low voltage and very low power consumption. It also
contains 4K-byte ROM, 128
× 4 bits RAM, LCD drivers and melody function.
Features
(1) ROM
:4096
× 8 bits
(2) RAM
:128
× 4 bits
(3) Cycle Time
Cycle Time
Oscillation source
Oscillation frequency
Power supply voltage
Power source
122
µs
Crystal oscillation
32.768kHz
27
µs
RC oscillation
150kHz
1.20 - 1.65V
Ag Battery
122
µs
Crystal oscillation
32.768kHz
27
µs
RC oscillation
150kHz
2.50 - 3.60V
Li Battery
122
µs
Crystal oscillation
32.768kHz
8
µs
RC oscillation
500kHz
2.00 - 6.00V
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)
[Notes] When using the P1 port for output, the “L” level hold Tr. of P1 should be OFF.
If P1 port becomes “H” level with “L” level hold Tr. on, it causes the through current from VDD to GND
and increases the current consumption.
- 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
4-Bit Microcontroller
with 4K-Byte ROM, 120
×××× 4Bits RAM and LCD Driver
LC573904
Ordering number : ENN*6725
CMOS IC


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