Read Panasonic KX-TG2560B / KX-TG2560S Service Manual online
11
KX-TG2560B/KX-TG2560S
CPU DATA (Handset)
IC901
49 - STROBE
50 - LCDRS
50 - LCDRS
Pin I/O
Name
High
High-Z
Low
Pin I/O
Name
High
High-Z
Low
1
I
X1
-
-
-
33 I/O
PLL UNLOCK
Unlock
-
Lock
2 O
X2
-
-
-
34 I/O
CHARGE
Normal
-
Charge
3
I
GND
-
-
Fixed
35 I/O
CHARGE ID
Active
-
Active
4 O
OSC1
Active
-
Active
36 I/O
SP MUTE
Mute
-
OFF
5
I
OSC2
Active
-
Active
37 I/O
MIC MUTE
Mute
-
OFF
6
I
TEST terminal
-
-
Fixed
38 I/O
LIGHTED LED
ON
-
OFF
7
I
Pow er supply
Fixed
-
-
39 I/O
Not used
-
-
Fixed
8
I
RESET
Normal
-
Reset
40 I/O
KEY IN
OFF
-
ON
9 I/O
SSEN
Active
-
OFF
41 I/O
KEY IN
OFF
-
ON
10 I/O
PLL_CLOCK
Active
-
Active
42 I/O
KEY IN
OFF
-
ON
11 I/O
PLL_RST
OFF
-
Active
43 I/O
KEY IN
OFF
-
ON
12 I/O
PLL_DATA
Active
-
Active
44 I/O
KEY STRB
-
Normal
ON
13 I/O
RSSI1
Electric field
-
None
45 I/O
KEY STRB
-
Normal
ON
14 I/O
RSSI2
Electric field
-
None
46 I/O
KEY STRB
-
Normal
ON
15 I/O
SQLCH
Noise
-
Electric field
47 I/O
KEY STRB
-
Normal
ON
16 I/O
RXDATA
Active
-
Active
48 I/O
KEY STRB
-
Normal
ON
17 I/O LCD BACKLED
-
OFF
ON
49 I/O
KEY STRB
-
Normal
ON
18 I/O LCD BACKLED
-
OFF
ON
50 I/O
LCD RS
Register
-
Data
19 I/O LCD BACKLED
-
OFF
ON
51 I/O
LCD RW_WR
Read
-
Write
20 I/O BATT LOW ST
-
OFF
ON
52 I/O
LCD E_RD
Active
-
Active
21 I/O
VOL2
High
-
Low
53 I/O
LCD CSB
OFF
-
Active
22 I/O
VOL1
High
-
Low
54 I/O
DB7
Active
-
Active
23 I/O
ALARM
Active
-
Active
55 I/O
DB6
Active
-
Active
24 I/O
ALR_VOL
Low
-
High
56 I/O
DB5
Active
-
Active
25 I/O
RX RESET
Normal
-
Reset
57 I/O
DB4
Active
-
Active
26 I/O
TX RESET
Normal
-
Reset
58 I/O
LCD POWER
OFF
-
ON
27 I/O
SS RESET
Normal
-
Reset
59 I/O
LCD RESET
Normal
-
Reset
28 I/O
TX DATA
Active
-
Active
60 I/O
DTMF
-
-
-
29 I/O
TX POWER
-
OFF
ON
61 I/O
DTMF LEVEL
-
-
-
30 I/O
RX POWER
-
OFF
ON
62 I/O
BATT LOW
Normal
-
Low
31 I/O
POWER CTL
Low
-
High
63 I/O POWER DOWN
Normal
-
Dow n
32 I/O
40Hz START
ON
-
OFF
64 I/O
CVCC
-
-
-
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