DOWNLOAD Panasonic KX-NT553RU-B / KX-NT556RU-B Service Manual ↓ Size: 5.41 MB | Pages: 97 in PDF or view online for FREE

Model
KX-NT553RU-B KX-NT556RU-B
Pages
97
Size
5.41 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / IP PROPRIETARY TELEPHONE
File
kx-nt553ru-b-kx-nt556ru-b.pdf
Date
PREV: Panasonic KX-NT551RU-B Service Manual

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85
KX-NT553RU/KX-NT553RU-B/KX-NT556RU/KX-NT556RU-B
15.1.2.
IC301
Pin No.
Terminal Name
I/O Setting
Function
Remark
1
AVDDL
AP
Analog Low Voltage Power(1.0V)
2
GND
G
DGND
3
P0MDICP
I/O
LAN Port C+: Port 0 Media Dependent Interface C+
4
P0MDICN
I/O
LAN Port C-: Port 0 Media Dependent Interface C-
5
P0MDIDP
I/O
LAN Port P+: Port 0 Media Dependent Interface P+
6
P0MDIDN
I/O
LAN Port P-: Port 0 Media Dependent Interface P-
7
AVDDH
AP
Analog High Voltage Power(3.3V)
8
P1MDIAP
I/O
PC Port A+: Port 1 Media Dependent Interface A+
9
P1MDIAN
I/O
PC Port A-: Port 1 Media Dependent Interface A-
10
P1MDIBP
I/O
PC Port B+: Port 1 Media Dependent Interface B+
11
P1MDIBN
I/O
PC Port B-: Port 1 Media Dependent Interface B-
12
AVDDL
AP
Analog Low Voltage Power(1.0V)
13
GND
G
DGND
14
P1MDICP
I/O
PC Port C+: Port 1 Media Dependent Interface C+
15
P1MDICN
I/O
PC Port C-: Port 1 Media Dependent Interface C-
16
P1MDIDP
I/O
PC Port D+: Port 1 Media Dependent Interface D+
17
P1MDIDN
I/O
PC Port D-: Port 1 Media Dependent Interface D-
18
PLLVDDL
AP
Analog Low Voltage Power(1.0V)
19
ATESTCK
O
NC
20
PLLGND
G
DGND
21
GND
G
DGND
22
AVDDH
AP
Analog High Voltage Power(3.3V)
23
P2MDIAP
I/O
NC
24
P2MDIAN
I/O
NC
25
P2MDIBP
I/O
NC
26
P2MDIBN
I/O
NC
27
AVDDL
AP
Analog Low Voltage Power(1.0V)
28
GND
G
DGND
29
P2MDICP
I/O
NC
30
P2MDICN
I/O
NC
31
P2MDIDP
I/O
NC
32
P2MDIDN
I/O
NC
33
AVDDH
AP
Analog High Voltage Power(3.3V)
34
P3MDIAP
I/O
NC
35
P3MDIAN
I/O
NC
36
P3MDIBP
I/O
NC
37
P3MDIBN
I/O
NC
38
AVDDL
AP
Analog Low Voltage Power(1.0V)
39
GND
G
DGND
40
P3MDICP
I/O
NC
41
P3MDICN
I/O
NC
42
P3MDIDP
I/O
NC
86
KX-NT553RU/KX-NT553RU-B/KX-NT556RU/KX-NT556RU-B
43
P3MDIDN
I/O
NC
44
AVDDH
AP
Analog High Voltage Power(3.3V)
45
GND
G
DGND
46
AGND
AG
DGND
47
MDIREF
O
Pull-down this pin with a 2.49K 1% resistor to ground.
48
AVDDL
AP
Analog Low Voltage Power(1.0V)
49
RTTI
O
NC
50
GND
G
DGND
51
RTT2
O
NC
52
AVDDH
AP
Analog High Voltage Power(3.3V)
53
DVDDIO
P
Digital I/O High Voltage Power(3.3V)
54
INTERRUPT
O
L2SW INTERRUPT
55
DIS_LPD/BUZZER
I/O
NC
56
DVDDL
P
Digital Low Voltage Power(1.0V)
57
RESERVED
I
Pull-down this pin with a 4.7K resistor to ground.
58
RESERVED
I
Pull-down this pin with a 4.7K resistor to ground.
59
AVDDH
AP
Analog High Voltage Power(3.3V)
60
GND
G
DGND
61
AVDDL
AP
Analog Low Voltage Power(1.0V)
62
AVDDH
AP
Analog High Voltage Power(3.3V)
63
AVDDL
AP
Analog Low Voltage Power(1.0V)
64
AVDDH
AP
Analog High Voltage Power(3.3V)
65
RESERVED
O
NC
66
RESERVED
O
NC
67
RESERVED
I
Pull-down this pin with a 4.7K resistor to ground.
68
RESERVED
I/O
NC
69
RESERVED
I/O
NC
70
DVDDIO
P
Digital I/O High Voltage Power(3.3V)
71
DVDDIO_1
P
Digital I/O High Voltage Power(3.3V)
72
GND
G
DGND
73
E1_CRS/G1_CRS/M1M_CRS
I/O
E_CRS MAC carrier sense
74
E1_DO7/G1_TXD7
O
NC
75
E1_DO6/G1_TXD6
O
NC
76
E1_DO5/G1_TXD5
O
NC
77
E1_DO4/G1_TXD4
O
NC
78
E1_D03/G1_TXD3/RG1_TXD3
/M1M_TXD3/M1P_RXD3
0
E_RXD3 MAC receive data
79
E1_DO2/G1_TXD2/RG1_TXD2
/M1M_TXD2/M1P_RXD2
0
E_RXD2 MAC receive data
80
E1_DO1/G1_TXD1/RG1_TXD1
/M1M_TXD1/M1P_RXD1
0
E_RXD1 MAC receive data
81
E1_DO0/G1_TXD0/RG1_TXD0/
M1M_TXD0/M1P_RXD0
O
E_RXD0 MAC receive data
82
E1_DOEN/G1_TXEN/RG1_TXCTL/
M1M_TXEN/M1P_RXDV
O
E_RXDV MAC receive data valid
83
E1_GOCLK/G1_GTXC/RG1_TXCLK/
M1M_TXCLK/M1P_RXCLK
I/O
E_RXCLK MAC receive clock
84
E1_DOCLK/G1_TXCLK
I
Pull-down this pin with a 4.7K resistor to ground.
85
GND
G
DGND
86
E1_DICLK/G1_RXCLK/RG1_RXCTL/
M1M_RXDV/M1P_TXCLK
I/O
E_TXCLK MAC transmit clock
87
E1_DIDV/G1_RXDV/
RG1_RXCTL/M1M_RXDV/
M1P_TXEN
I
E_TXEN MAC transmit enable
88
E1_DI0/G1_RXD0/RG1_RXD0/
M1M_RXD0/M1P_TXD0
I
_TXD0 MAC transmit data
89
E1_DI1/G1_RXD1/RG1_RXD1/
M1M_RXD1/M1P_TXD1
I
E_TXD1 MAC transmit data
90
E1_DI2/G1_RXD2/RG1_RXD2/
M1M_RXD2/M1P_TXD2
I
E_TXD2 MAC transmit data
91
E1_DI3/G1_RXD3/RG1_RXD3/
M1M_RXD3/M1P_TXD3
I
E_TXD3 MAC transmit data
92
E1_DI4/G1_RXD4
I
Pull-down this pin with a 4.7K resistor to ground.
93
E1_DI5/G1_RXD5
I
Pull-down this pin with a 4.7K resistor to ground.
94
E1_DI6/G1_RXD6
I
Pull-down this pin with a 4.7K resistor to ground.
95
E1_DI7/G1_RXD7
I
Pull-down this pin with a 4.7K resistor to ground.
96
DVDDIO_1
P
Digital I/O High Voltage Power(3.3V)
97
GND
G
DGND
Pin No.
Terminal Name
I/O Setting
Function
Remark
87
KX-NT553RU/KX-NT553RU-B/KX-NT556RU/KX-NT556RU-B
98
DVDDIO
P
Digital I/O High Voltage Power(3.3V)
99
DVDDL
P
Digital Low Voltage Power(1.0V)
100
DVDDIO
P
Digital I/O High Voltage Power(3.3V)
101
DVDDL
P
Digital Low Voltage Power(1.0V)
102
P4LED2/DIS_SPIS
I/O
Pull-up this pin with a 4.7K resistor to 3.3V.
103
P3LED1
O
NC
104
P3LED2/RESERVED
I/O
Pull-up this pin with a 4.7K resistor to 3.3V.
105
P3LED0/RESERVED
I/O
Pull-down this pin with a 4.7K resistor to ground.
106
P2LED2/DIS_8051
I/O
Pull-up this pin with a 4.7K resistor to 3.3V.
107
P2LED0/DISAUTOLOAD
I/O
Pull-up this pin with a 4.7K resistor to 3.3V.
108
P2LED1
O
NC
109
P1LED2/RESERVED
I/O
Pull-up this pin with a 4.7K resistor to 3.3V.
110
P1LED1/RESERVED
I/O
Pull-down this pin with a 4.7K resistor to ground.
111
P1LED1
I/O
Pull-down this pin with a 4.7K resistor to ground.
112
P0LED2/EN_PHY
I/O
Pull-up this pin with a 4.7K resistor to 3.3V.
113
P0LED1/LED_DA
I/O
Pull-down this pin with a 4.7K resistor to ground.
114
P0LED0/LED_CK/SMI_SEL
I/O
Pull-down this pin with a 4.7K resistor to ground.
115
AVDDH
AP
Analog High Voltage Power(3.3V)
116
XTALO
O
NC
117
XTALI
I
25MOUT from IC502 (25.000MHz)
118
GND
G
DGND
119
nRESET
I
Reset
120
SPIS_CSI
I
Pull-down this pin with a 4.7K resistor to ground.
121
SPIS_CS/SCK/MMD_MDC
I/O
MII Management Interface Clock
122
SPIS_DI/SDA/MMD_MDIO
I/O
MII Management Interface Data
123
SPIS_DO
O
NC
124
AVDDH
AP
Analog High Voltage Power(3.3V)
125
P0MDIAP
I/O
LAN Port A+: Port 0 Media Dependent Interface A+
126
P0MDIAN
I/O
LAN Port A-: Port 0 Media Dependent Interface A-
127
P0MDIBP
I/O
LAN Port B+: Port 0 Media Dependent Interface B+
128
P0MDIBN
I/O
LAN Port B-: Port 0 Media Dependent Interface B-
Pin No.
Terminal Name
I/O Setting
Function
Remark
88
KX-NT553RU/KX-NT553RU-B/KX-NT556RU/KX-NT556RU-B
15.2. Cabinet and Electric Parts
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