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PDF LC573202A Data sheet ( Hoja de datos )
| Número de pieza | LC573202A | |
| Descripción | 4-Bit Microcontroller with 2K-Byte ROM / 64 4Bits RAM and LCD Driver | |
| Fabricantes | Sanyo | |
| Logotipo |  |
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Ordering number : ENN*6726
CMOS IC
LC573202A
4-Bit Microcontroller
with 2K-Byte ROM, 64 × 4Bits RAM and LCD Driver
Preliminary
Overview
The LC573202A is a CMOS 4-bit microcontroller that operates on low voltage and very low power consumption. It also
contains 2K-byte ROM, 64 × 4 bits RAM, LCD drivers and melody function.
Features
(1) Read-Only Memory (ROM)
- 2048 × 8 bits
(2) Random Access Memory (RAM)
- 64 × 4 bits
(3) Cycle Time
Cycle time
122µs
122µs
122µs
Oscillation source
Crystal oscillation
RC oscillation
Crystal oscillation
Crystal oscillation
RC oscillation
Oscillation Frequency Power supply voltage
32.768kHz
1.30 - 1.65V
Power source
Ag Battery
32.768kHz
32.768kHz
2.60 - 3.60V
2.00 - 6.00V
Li Battery
External voltage
supply
(4) Input/Output ports
- Input ports
: 6 ports (S-port : 4 terminals, M-port : 2 terminals)
- Output ports : 1 port (Buzzer output/General output port : mask option changeover)
- LCD segment output ports : 25 terminals
(Possible to use output port (SEG13 to SEG25) : by mask option)
- LCD common output ports : 4 terminals
Ver.1.02
22698
91400 RM (IM) HO No.6726-1/18
1 page  
System Block Diagram
LC573202A
HALT mode control
Stand-by control
X’tal
or
RC
Clock
generator
Base timer
Chronograph counter
Melody/buzzer
circuit
Strove pointer
SEGMENT PLA
LCD driver
IR PLA
ROM
PC
Stack
AC
ALU
TMP
DPL
DPH
RAM
S port
M port
No.6726-5/18
5 Page 
LC573202A
3. Electrical Characteristics at Ta=-30°C to + 70°C, VSS=0V
Parameter
Symbol
Conditions
Pull-down transistor
Output high voltage
Output low voltage
Output high voltage
Output middle voltage
Output low voltage
Output high voltage
Output low voltage
Output high voltage
Output low voltage
Step-up voltage
Current dissipation
(In Halt mode)
Current dissipation
(In Operating mode)
Oscillator start-up
voltage
Oscillator sustaining
voltage
Oscillator start-up
time
RIN1A
RIN1B
RIN2
VOH1
VOL1
VOH2
VOM
VOL2
VOH3
VOL3
VOH4
VOL4
VDD2
IDD1
IDD2
IDD3
IDD4
Vstt
VHOLD
tstt
VDD1=1.55V, VIL=0.2V,
Low level hold Tr. Fig.3
VDD1=1.55V,
Low level pull in Tr. Fig.3
VDD1=1.55V, TEST, RES
VDD1=1.55V, IOH=-0.4µA
VDD1=1.55V, IOL=0.4µA
VDD1=1.55V, IOH=-4µA, COM1-4
VDD1=1.55V, IOH=-4µA, IOL=4µA,
COM1-4
VDD1=1.55V, IOL=4µA, COM1-4
VDD1=1.35V, IOH=-250µA, OUT,
COM4 (As using LIGHT)
VDD1=1.35V, IOL=150µA, OUT,
COM4 (As using LIGHT)
VDD1=1.55V, IOH=-20µA
VDD1=1.55V, IOL=20µA
VDD1=1.35V, C1=C2=0.1µF,
fopg=32.768kHz, Fig.4
VDD1=1.55V, C1=C2=0.1µF, Fig.4,
Cg=16pF, Crystal osc (CI≤25kΩ),
Back-up flag OFF, Ta≤50°C
VDD1=1.55V, C1=C2=0.1µF, Fig.5,
RC osc (Rext=470kΩ, Cext=30pF),
Ta≤50°C
VDD1=1.55V, C1=C2=0.1µF, Fig.4,
Cg=16pF, Crystal osc (CI≤25kΩ),
Back-up flag OFF, Ta≤50°C
VDD1=1.55V, C1=C2=0.1µF, Fig.5,
RC osc (Rext=470kΩ, Cext=30pF),
Ta≤50°C
Cg=16pF, Crystal osc (CI≤25kΩ),
Back-up flag ON, Ta=25°C, Fig.6
Cg=16pF, Crystal osc (CI≤25kΩ),
Back-up flag OFF, Ta=25°C, Fig.6
VDD1=1.35V
Cg=16pF, Crystal osc(CI≤25kΩ),
Back-up flag ON, Ta=25°C, Fig.6
Ratings
Unit
min. typ. max.
150
*1
300 1000 kΩ
100 300 1000
*1
10 300
*2 VDD2-0.2
V
*2 0.2
VDD2-0.2
VDD1-0.2
VDD1+0.2
VDD1-0.65
0.2
0.65
*3 VDD1-0.2
*3
2.5
0.2
2.7 V
1.0 4.0 µA
5.0 15.0
3.0 12.0
7.0 20.0
1.30 V
1.30
10 s
No.6726-11/18
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet LC573202A.PDF ] | |
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