Read Panasonic KX-NT400RU Service Manual online
77
KX-NT400RU
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
I
Not in use
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
27
A2 O
Address
bus
28
A1 O
Address
bus
29
A0 O
Address
bus
30
nMWRL
O
External memory write signal
31
nMWRH
O
External memory write signal
32
nMRD
O
External memory read signal
33
nRESET
I
Reset input
34
XTAL1
I
Crystal oscillator connection (8.192MHz)
35
XTAL2
O
36
DVDD3.3_36
-
Digital system power supply (+3.3V)
37
DGND37
-
Digital system ground
Click on the first or last page to see other KX-NT400RU service manuals if exist.