English
Language : 

JA32050 Datasheet, PDF (4/19 Pages) List of Unclassifed Manufacturers – 8-Bit MCU,ADC,LCD Controller
26
PB6
I/O PB I/O pin 6
27
PB5
I/O PB I/O pin 5
28
PB4
I/O PB I/O pin 4
29
PB3
I/O PB I/O pin 3
30
PB2
I/O PB I/O pin 2
31
PB1
I/O PB1: normal I/O pin 1 or RS, RF control pin
32
PB0
I/O PB0: normal I/O pin 0 or RS, RF control pin
33
SC
I/O R/F output pin, connected to MCU TMR pin
34
PDET
I Low battery detect input
35
VDD
O Positive power supply
36
OSC
— Oscillator generator I/O pins
37
VSS
— Negative power supply or GND
38
RESB
I System reset input, low active
39
X1
I 32.768k Hz crystal input
40
X2
I 32.768k Hz crystal input
41
COM3
O Common 3 of LCD
42
COM2
O Common 2 of LCD
43
COM1
O Common 1 of LCD
44
COM0
O Common 0 of LCD
45
VLCD
I LCD panel bias voltage
46
SEG19 O Segment 19, in C bias mode, this pin will be CAP2
47
SEG18 O Segment 18, in C bias mode, this pin will be CAP1
48
SEG17 O Segment 17, in C bias mode, this pin will be V30
49
SEG16 O Segment 16, in C bias mode, this pin will be V15
50
SEG15 O Segment 15
51
SEG14 O Segment 14
52
SEG13 O Segment 13
53
SEG12 O Segment 12
54
SEG11 O Segment 11
55
SEG10 O Segment 10
56
SEG9
O Segment 9
57
SEG8
O Segment 8
58
SEG7
O Segment 7
!
JA32050
Electrical Characteristics
Symbol
Parameter
Test Condition
VDD
Condition
Min.. Typ. Max. Unit
VDD
Operating Voltage


2.2 3.0 5.2 V
IDD
Operating Current
3V
No Load,
Fsys=2MHz

2
3 mA
ISTB1
Standby Current
3V Fsys OFF, 32K ON 
3
5 PA
ISTB2
Standby Current
3V
Fsys OFF, 32K
OFF

1
3 PA
RPH
Pull high resistor
3V
PB0 – PB7
 100  k:
IOH1
PB0, PB1 Source
Current
3V
VOH1=2.7V
20 30  mA
IOL1
PB0, PB1 Sink Current 3V
VOL1=0.3V
20 30  mA
IOH2
PB2  PB7 Source
Current
3V
VOH1=2.7V
1 3  mA
IOL2
PB2  PB7 Sink current 3V
VOL2=0.3V
1
3
 mA
IOL3
SC sink current
3V
VOL3=0.3V
20 30  mA
Preliminary
TELΚ886-3-5770755
FAXΚ886-3-5770756
19-4
E-mailΚsales@jaztek.com.tw
Ver.0.0
Web-siteΚwww.jaztek.com.tw