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JA54130
4-Bit Micro-Controller With EEPROM, 1K Word
Features
y Very low current dissipation.
y Wide operating voltage range.
y Supports both Ag and Li batteries.
y Powerful instruction set.
y 4-level subroutine nesting
(including interrupt).
y 4 event-driven interrupts, 2 external and 2
internal.
y ROM size: 1024x15 bits.
y RAM size: 64x4 bits.
y Input ports: 2 ports/ 8 pins (S and M).
y Output port: 1 port/ 4 pins (P).
y Pseudo serial output port (P).
y Input/Output ports: 2 ports/ 8 pins
(I/OA and I/OB).
y Control outputs: ALARM, LIGHT.
y LCD driver outputs
(can drive up to 75 LCD segments).
y PROM option to select 4 LCD drive modes:
static, duplex (1/2 duty 1/2 bias, 1/3 duty 1/2 bias
or 1/3 duty 1/3 bias).
y PROM option permits LCD driver output pins to
be used for DC output ports; up to 25 pins are
available.
y Segment PLA circuit permits any layout on LCD
panel.
y Built-in clock generator (crystal or RC).
y Built-in voltage doubler, halver, tripler.
y Endurance: More then 100 write cycles/word.
y Security bit for read/write protection.
General Description
The JA54130 is an EEPROM-equipped high- performance 4-bit microcomputer.
It contains not only all functions compatible with JA54100, but also an EEPROM, providing customers such
conveniences as on-board verification,
customized code, small quantity sample production, etc.
This chip especially provides a security bit to protect the customer’s code.
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E-mailΚsales@jaztek.com.tw
Ver. 0.0
Web-siteΚwww.jaztek.com.tw

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Package Information
Package type 68Pin PLCC
IOA1
IOA2
IOA3
IOA4
IOB1
IOB2
IOB3
IOB4
RESET
INT
P1
P2
P3
P4
M1
M2
M3
10
15
20
25
5 68 65
JA54130
30 35 40
60 SEG22
SEG21
SEG20
SEG19
SEG18
55 SEG17
SEG16
SEG15
SEG14
SEG13
50 SEG12
SEG11
SEG10
SEG9
SEG8
45 SEG7
SEG6
JA54130
Pin/Pad Assignment
Pin No. Name
1 VSS
2 ------
3 VDD1
4 VDD
5 VDD2
6 ALARM
7 LIGHT
8 S4
9 S3
10 IOA1
11 IOA2
12 IOA3
13 IOA4
14 IOB1
15 IOB2
16 IOB3
17 IOB4
Pin No.
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
Name
RESET
INT
P1
P2
P3
P4
M1
M2
M3
M4
------
------
TESTA
CUP1
CUP2
S2
S1
Pin No.
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
Name
OSCIN
CAP
OSCOUT
COM1
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
Unit: Pm
Pin No. Name
52 SEG14
53 SEG15
54 SEG16
55 SEG17
56 SEG18
57 SEG19
58 SEG20
59 SEG21
60 SEG22
61 ------
62 ------
63 SEG23
64 SEG24
65 SEG25
66 COM3
67 COM2
68 VDD3
Preliminary
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FAXΚ886-3-5770756
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JA54130
Pin Name Description
Name Type
Description
OSCIN
I Typical crystal(32.768KHz) is connected across
OSCOUT O OSCIN/OSCOUT for oscillation; R/C oscillation mode is also available.
S1~4
I Input ports with chattering eliminator option for CK10 (32ms), CK8 (8ms) &
M1~4
I CK6 (2ms).
P1~4
O Output ports.
IOA1~4 I/O Input/Output ports.
IOB1~4 I/O Input/Output ports.
INT I External interrupt request control input pin.
RESET I System reset pin.
LIGHT O Output only for outputting the signal to drive the transistor for light.
ALARM O Output only for outputting the 4kHz/2kHz/1kHz modulation signal.
Also can be used to output the non-modulation signal.
VDD
(+)Power supply pin.
VDD1
* For Ag version, apply (+) side to VDD & VDD1 together.
VDD2
For other than Ag version, apply (+) side to VDD & VDD2 together.
VDD3
Power supply pin for LCD driver power supply.
VSS
(--)Power supply pin.
CUP1~2 O Pins for connecting the voltage step-up (step-down) capacitor.
COM1~3 O Output pins for LCD panel common plate.
SEG1~25 O Output pins for LCD panel segments.
Absolute Maximum Rating
Name
Maximum Supply Voltage
Maximum Input Voltage
Maximum Output Voltage
Maximum Operating Temperature
Maximum Storage Temperature
Symbol
VSS1/2
VSS3
VIN1
VOUT1
VOUT2
VOUT3
tOPG
tSTG
Ta = 0 to 70к
Rating
Unit
-0.3 ~ +5.5
V
-0.3 ~ +8.5
V
-0.3 to VDD+0.3
-0.3 to VDD1+0.3
-0.3 to VDD2+0.3
-0.3 to VDD3+0.3
0 to +70
V
V
V
V
к
-25 to +125
к
Allowable operating conditions
Name
Supply Voltage
Supply Voltage
Input sHs Voltage
Input sLs Voltage
Input sHs Voltage
Input sLs Voltage
Operating Freq.
Symbol
VDD1
VDD2
VDD3
VDD1
VDD2
VDD3
VIH1
VIL1
VIH2
VIL2
fOPG1
fOPG2
fOPG3
fOPG4
Condition
External Voltage
Mode
Ag & Li Battery
Mode
All Input Except OSCIN
OSCIN at Ext. RC Mode
Ag Battery Mode
Li Battery Mode
External Voltage Mode
External RC Mode
Min.
2.0
4.0
4.0
1.3
2.6
2.6
0.7VDDO
0
0.8VDDO
0
32
32
32
32
Ta = 0 to 70к
Max.
Unit
5.5 V
5.5 V
8.25
V
5.5 V
5.5 V
8.25
V
VDDO
V
0.3VDDO
VDDO
0.2VDDO
V
V
V
32 kHz
100 kHz
3580
kHz
5000
kHz
Preliminary
TELΚ886-3-5770755
FAXΚ886-3-5770756
8-3
E-mailΚsales@jaztek.com.tw
Ver. 0.0
Web-siteΚwww.jaztek.com.tw