KX-NT511ARUW, KX-NT511ARUB - Panasonic Telephone Service Manual (repair manual). Page 54

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54
KX-NT511ARUW/KX-NT511ARUB
15.1.2.
IC201
Pin No.
Terminal Name
I/O Setting
Contents of Control
Remark
1
RXM1
I/O
LAN Port : Physical receive or transmit signal(- differential)
2
RXP1
I/O
LAN Port : Physical receive or transmit signal(+ differential)
3
TXM1
I/O
LAN Port : Physical transmit or receive signal(- differential)
4
TXP1
I/O
LAN Port : Physical transmit or receive signal(+ differential)
5
VDDA_3.3
AP
3.3V analog VDD
6
ISET
O
Pull-down this pin with a 11.8K 1% resistor to ground.
7
VDDA_1.8
AP
1.8V analog VDD
8
RXM2
I/O
PC Port : Physical receive or transmit signal(- differential)
9
RXP2
I/O
PC Port : Physical receive or transmit signal(+ differential)
10
AGND
G
Analog Ground
11
TXM2
I/O
PC Port : Physical receive or transmit signal(- differential)
12
TXP2
I/O
PC Port : Physical receive or transmit signal(- differential)
13
NC
-
Not in use
14
X1
I
25MOUT from IC101 (25.000MHz)
15
X2
O
Not in use
16
SMTXEN3
I
MAC transmit enable
17
SMTXD33/
EN_REFCLKO_3
Ipu/I
MAC transmit data
18
SMTXD32
Ipu/I
MAC transmit data
19
SMTXD31
I
MAC transmit data
20
SMTXD30
I
MAC transmit data
21
GND
G
Digital system ground
22
VDDIO
P
Digital system power supply (3.3V)
23
SMTXC3/REFCLKI_3
I/O
MAC transmit clock
24
SMTXER3/MII_LINK_3
Ipd
MAC transmit error
25
SMRXDV3
Ipu/O
MAC receive data valid
26
SMRXD33/
REFCLKO_3
Ipu/O
MAC receive data
27
SMRXD32
Ipu/O
MAC receive data
28
SMRXD31
Ipu/O
MAC receive data
29
SMRXD30
Ipu/O
MAC receive data
30
SMRXC3
I/O
MAC receive clock
31
GND
G
Digital system ground
32
VDDC
P
Digital system power supply (1.8V)
33
SCOL3
I/O
MAC collision detection
34
SCRS3
I/O
MAC carrier sense
35
INTRN
Opu
Not in use
36
SCL_MDC
I/O
MAC MII control clock
37
SDA_MDIO
I/O
MAC MII control data
38
SPIQ
Ipd/O
Not in use
39
SPISN
I
Not in use
40
VDDIO
P
Digital system power supply (3.3V)
41
GND
G
Digital system ground
42
VDDCO
P
Digital system power output (1.8V)
43
P1LED1
Ipu/O
Not in use
IC201
13
NC
14
X1
15
X2
16
SMTXEN3
17
SMTXD33/EN_REFCLKO_3
18
SMTXD32
19
SMTXD31
20
SMTXD30
21
GND1
22
VDDIO1
23
SMTXC3/REFCLKI_3
24
SMTXER3/MII_LINK_3
25 SMRXDV3
26 SMRXD33/REFCLKO_3
27 SMRXD32
28 SMRXD31
29 SMRXD30
30 SMRXC3
31 GND2
32 VDDC
33 SCOL3
34 SCRS3
35 *INTRN
36 SCL_MDC
37
SDA_MDIO
38
SPIQ
39
*SPISN
40
VDDIO2
41
GND
42
VDDCO
43
P1LED1
44
P1LED0
45
P2LED1
46
P2LED0
47
*RSTN
48
FXSD1
1
RXM1
2
RXP1
3
TXM1
4
TXP1
5
VDDA_3.3
6
ISET
7
VDDA_1.8
8
RXM2
9
RXP2
10
AGND
11
TXM2
12
TXP2
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