Panasonic KX-T7636 Service Manual page 24

Pin No. I/O Setting
24 NROW4
25 NROW3
26 NROW2
27 NROW1
28 NROW0
29 VDD
30 OEP
31 OSX
32 OSR
33 OSYNC
34 OCK2M
35 OCK4MN
36 OP0
37 OP1
38 OP2
39 OP3
40 GND
41 VDD
42 AG
43 VREFO
44 SPOP
45 SPON
46 SPI
47 AVDD
48 GND
49 PCK4MN
50 PSX
51 PSYNC
52 PSR
53 PCK2M
54 PEP/SCLK
55 OP4
56 OP5
57 OP6
58 OP7
59 VDD
Pull-up
Processing
out -
out -
out -
out -
out -
- -
tri -
tri -
in Built-in
bi -
bi -
tri -
out -
out -
out -
out -
- -
- -
- -
out -
out -
out -
in -
- -
- -
tri -
tri -
tri -
in Built-in
tri -
tri -
out -
out -
out -
out -
- -
Contents of Control
LED row drive 4
LED row drive 3
LED row drive 2
LED row drive 1
LED row drive 0
Digital power supply
Channel pulse
2.048MHz serial data output
2.048MHz serial data input
8Khz frame synchronized
signal
2.048MHz serial clock
(Schmitt)
4.096MHz serial clock
Optional reset output 1
Optional reset output 2
Codec serial data output
Codec serial clock output
Digital ground
Digital power supply
Analog ground (For D/A)
Analog reference voltage
+ Side of output for handset
SP Amp
- Side of output for handset
SP Amp
Input for handset SP
Digital power supply
Digital ground
4.096MHz serial clock
2.048MHz serial data output
8Khz frame synchronized
signal
2.048MHz serial data Input
2.048MHz serial clock
Channel pulse/Serial clock
CO7 green LED control port H:LEDON
CO7 red LED control port
DXDP constant current
switching port
DXDP constant current
control port
Digital power supply
Remark
H:LEDON
H:40mA, L:20mA
H:Constant current
circuit ON