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Pin
No.
I/O Setting
Pull-up
Processing
Contents of Control
Remark
28
NROW0
out
-
LED row drive 0
29
VDD
-
-
Digital power supply
30
OEP
tri
-
Channel pulse
31
OSX
tri
-
2.048MHz serial data output
32
OSR
in
Built-in
2.048MHz serial data input
33
OSYNC
bi
-
8Khz frame synchronized
signal
34
OCK2M
bi
-
2.048MHz serial clock
(Schmitt)
35
OCK4MN
tri
-
4.096MHz serial clock
36
OP0
out
-
Optional reset output 1
37
OP1
out
-
Optional reset output 2
38
OP2
out
-
Codec serial data output
39
OP3
out
-
Codec serial clock output
40
GND
-
-
Digital ground
41
VDD
-
-
Digital power supply
42
AG
-
-
Analog ground (For D/A)
43
VREFO
out
-
Analog reference voltage
44
SPOP
out
-
+ Side of output for handset
SP Amp
45
SPON
out
-
- Side of output for handset
SP Amp
46
SPI
in
-
Input for handset SP
47
AVDD
-
-
Digital power supply
48
GND
-
-
Digital ground
49
PCK4MN
tri
-
4.096MHz serial clock
50
PSX
tri
-
2.048MHz serial data output
51
PSYNC
tri
-
8Khz frame synchronized
signal
52
PSR
in
Built-in
2.048MHz serial data Input
53
PCK2M
tri
-
2.048MHz serial clock
54
PEP/SCLK
tri
-
Channel pulse/Serial clock
55
OP4
out
-
CO7 green LED control port
H:LEDON
56
OP5
out
-
CO7 red LED control port
H:LEDON
57
OP6
out
-
DXDP constant current
switching port
H:40mA, L:20mA
58
OP7
out
-
DXDP constant current
control port
H:Constant current
circuit ON
59
VDD
-
-
Digital power supply
60
DVRL
in
-
Reference voltage for
comparator (For DXDP)
61
DDR
in
-
Receive data input (For
DXDP)
62
DVRH
in
-
Reference voltage for
comparator (For DXDP)
24
Summary of Contents for KX-T7633
Page 4: ...4 LOCATION OF CONTROLS 4 ...
Page 9: ...Note Refer to 1 5 of WAVEFORM for waveform 8 2 LCD DOES NOT OPERATE 9 ...
Page 10: ...Note Refer to 6 of WAVEFORM for waveform 8 3 HANDSET DOES NOT WORK Receive Send 10 ...
Page 11: ...Note Refer to 7 8 of WAVEFORM for waveform 8 4 HEADSET DOES NOT WORK Receive Send Note 11 ...
Page 28: ...13 CABINET AND ELECTRICAL PARTS LOCATION 28 ...