Read Panasonic KX-NT321RU (serv.man2) Service Manual online
47
KX-NT321RU
13 Exploded View and Replacement Parts List
13.1. IC Data
13.1.1. IC1 (VoIP)
Pin No.
Terminal Name
I/O Setting
Contents of Control
Remark
1
DGND1
-
Digital system ground
2
A15
O
Address bus
3
A14
O
Address bus
4
A13
O
Address bus
5
A12
O
Address bus
6
A11
O
Address bus
7
A10
O
Address bus
8
A9
O
Address bus
9
A8
O
Address bus
10
A7
O
Address bus
11
A6
O
Address bus
12
A5
O
Address bus
13
NC13
-
Not internal connection
Connecting
to
GND
14
TEST3
I
Test pin
15
TEST2
I
Test pin
16
TEST1
I
Test pin
17
NC17
-
Not internal connection
Connecting
to
GND
18
PVDD1.8_18
-
PLL power supply (+1.5V)
19
PGND19
-
PLL ground
20
VCNT1
O
PLL1 VCO control
21
nWAIT/PB12
O
Key clock output
22
nRSTOUT
O
Reset output
23
TEST0
I
Test pin
24
ROMBUSW
I
Memory bus width selection
25
A4
O
Address bus
26
A3
O
Address bus
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