Cpu Data (Handset); Ic1 (Bbic) - Panasonic KX-A144 Series Service Manual

27 CPU DATA (HANDSET)

27.1. IC1 (BBIC)

Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
Description I/O
LCD_SEGMENT D.O
LCD_COMMON D.O
VDD -
VSS -
LCD_COMMON D.O
LCD_COMMON D.O
LCD_COMMON D.O
LCD_COMMON D.O
LCD_COMMON D.O
PA_SW D.O
T/R SW D.O
RX_DATA D.I
SYEN D.O
SYDA D.O
SYCL D.O
TX_DATA A.O
KEY_IN D.I
KEY_IN D.I
KEY_IN D.I
KEY_IN D.I
KEY_IN D.I
(NO USE) D.O
Reference clock D.O
VDD -
VSS -
POWER_SW A.I
CHARGE_DET A.I
DCDCDRV D.O
DCDCCMR A.I
RESET A.I
VSSO -
LOAD A.I
XTAL A.I
VDDPM A.O
VDDLO A.O
VDDBAT A.I
VDDLR -
CHARGE_START A.O
VDDA -
VSSA -
LSRN A.O
LSRP A.O
BANDGAP_REF A.O
MICS A.O
MICP A.I
MICN A.I
Reference Voltage A.O
RSSI A.I
P0.4 D.I
AD4N A.I
AD4P A.I
(NO USE) D.I
KEY_STRB D.O
KEY_STRB D.O
KEY_STRB D.O
LCD_SEGMENT D.O
LCD_SEGMENT D.O
LCD_SEGMENT D.O
KEY_STRB D.O
KEY_STRB D.O
LCD_SEGMENT D.O
LCD_SEGMENT D.O
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT
Hi Hi-z
Active -
Active -
- -
- -
Active -
Active -
Active -
Active -
Active -
PA ON -
Transmit -
Active -
Active -
Active -
Active -
Active -
No Key -
No Key -
No Key -
No Key -
No Key -
- -
Active -
- -
- -
No Key -
Charge -
Active -
- -
Normal -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
Active -
Active -
Active -
Active -
Active -
Active -
Active -
Active -
Active -
Active -
63
Remarks
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for charge
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-
-
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-
-
-
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