Read Panasonic KX-TDE620BX (serv.man2) Service Manual online
80
KX-TDE620BX
14.1.4. CIRCLINK (IC401)
Pin No.
Pin Name
I/O
Discription Pin Usage
1
VDD
+3.3 Volt Power Supply.
2
A3/ALEPOL
I
Address (bit3)
3
A4
I
Address (bit4)
4
A5
I
Address (bit5)
5
NC (Open)
No Connection.
6
NC (Open)
No Connection.
7
nDSINV
I
nDS Polarity Specification/CMI Reception Error Mode
8
nRD/nDS
I
Read Signal Input/Data Strobe/Standalone Output Port (bit6)
9
nTMODE
I
Test Mode
10
nWR/DIR
I
Write Signal Input/Access Direction Specification/Standalone Output Port (bit7)
11
nSMODE
I
Scanning Mode
12
VSS
Ground
13
D0/AD0
I/O
Data Bus (bit0)
14
D1/AD1
I/O
Data Bus (bit1)
15
D2/AD2
I/O
Data Bus (bit2)
16
D3/AD3
I/O
Data Bus (bit3)
17
VDD
+3.3 Volt Power Supply.
18
D4/AD4
I/O
Data Bus (bit4)
19
D5/AD5
I/O
Data Bus (bit5)
20
VSS
Ground
21
D6
I/O
Data Bus (bit6)
22
D7
I/O
Data Bus (bit17)
23
D8
I/O
Data Bus (bit18)
24
D9
I/O
Data Bus (bit19)
25
VDD
+3.3 Volt Power Supply.
26
D10
I/O
Data Bus (bit10)
27
D11
I/O
Data Bus (bit11)
28
VSS
Ground
29
D12
I/O
Data Bus (bit12)
30
D13
I/O
Data Bus (bit13)
31
NC (Open)
No Connection.
32
VSS
Ground
33
VDD
+3.3 Volt Power Supply.
34
D14
I/O
Data Bus (bit14)
35
D15
I/O
Data Bus (bit15)
36
NC (Open)
No Connection.
37
NC (Open)
No Connection.
38
nRESET
I
Reset Input (low active)
39
VSS
Ground
40
nINTR
O
Interrupt Output/NSTUNLOC Flag Output for Standalone
41
TXEN
O
Port1 Transmission Enable Output
42
TXD
O
Transmission Data Output (Port 1 2 common)
43
TXEN2
O
Port2 Transmission Enable Output
44
VSS
Ground
45
TXENPOL
I
TXEN TXEN2 Polarity Specification
46
RXIN
I
Port1 Reception Data Input
47
ET1
I
ARCNET Enhancing Timer Setting 1
48
RXIN2
I
Port2 Reception Data Input
49
VDD
+3.3 Volt Power Supply.
50
nDIAG
Diagnostic Mode Selection
51
nSTALONE =H
I
Standalone Mode Selection
52
NSTPRE0
I
NST Resolution Setting
53
NSTPRE1
I
NST Resolution Setting
54
NSTPRE2
I
NST Resolution Setting
55
NC (Open)
No Connection.
56
PS0
I
Page Size Specification (0 fixed)
57
PS1
I
Page Size Specification (0 fixed)
58
NC (Open)
No Connection.
59
NID0
I
Local Node Number Setting (1 fixed)
60
NID1
I
Local Node Number Setting (0 fixed)
61
NID2
I
Local Node Number Setting (0 fixed)
62
NID3
I
Local Node Number Setting (0 fixed)
63
NID4
I
Local Node Number Setting (0 fixed)
64
VSS
Ground
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