Panasonic KX-NT265RU Service Manual ▷ View online
Pin.No.
Terminal Name
I/O Setting
Contents of Control
Remark
31
MWRHn
O
External memory write signal
32
MRDn
O
External memory read signal
33
RESETn
I
Reset
34
XTAL1
I
Crystal oscillator connection (8.192MHz)
35
XTAL2
O
Crystal oscillator connection (8.192MHz)
36
DVDD33
-
Digital system power supply (+3.3V)
37
DGND
-
Digital system ground
38
CS0n
O
External memory chip select 0
39
CS1n/PD4
I/O
External memory chip select 1 or I/O port
40
DQM3
O
SDRAM byte mask 3
41
DQM2
O
SDRAM byte mask 2
42
DRCS1n
O
SDRAM chip select 1
43
DRCS0n
O
SDRAM chip select 0
44
RASn
O
Row address strobe
45
CASn
O
Column address strobe
46
DRCLK
O
SDRAM clock
47
DRWE
O
SDRAM write enable
48
DQM1
O
SDRAM byte mask 1
49
DQM0
O
SDRAM byte mask 0
50
M1_TXEN
O
MAC1 transmit enable
51
M1_TXCLK
I
MAC1 transmit clock
52
M1_TXD3
O
MAC1 transmit data
53
M1_TXD2
O
MAC1 transmit data
54
DVDD18
-
Digital system power supply (+1.8V)
55
DGND
-
Digital system ground
56
M1_TXD1
O
MAC1 transmit data
57
M1_TXD0
O
MAC1 transmit data
58
NC
-
No internal connection
59
M1_RXCLK
I
MAC1 receive clock
60
M1_RXDV
I
MAC1 receive data valid
61
M1_RXER
I
MAC1 receive data error
62
M1_RXD3
I
MAC1 receive data
63
M1_RXD2
I
MAC1 receive data
64
M1_RXD1
I
MAC1 receive data
65
M1_RXD0
I
MAC1 receive data
66
M1_CRS
I
MAC1 carrier sense
67
M1_COL
I
MAC1 collision detection
68
M1_MDC
O
MAC1 MII control clock
69
M1_MDIO
I/O
MAC1 MII control data
70
NC
-
No internal connection
71
M2_TXEN
O
MAC2 transmit enable
72
DVDD33
-
Digital system power supply (+3.3V)
73
DGND
-
Digital system ground
74
M2_TXCLK
I
MAC2 transmit clock
75
M2_TXD3
O
MAC2 transmit data
76
M2_TXD2
O
MAC2 transmit data
77
M2_TXD1
O
MAC2 transmit data
78
M2_TXD0
O
MAC2 transmit data
79
M2_RXCLK
I
MAC2 receive clock
80
M2_RXDV
I
MAC2 receive data valid
81
M2_RXER
I
MAC2 receive data error
82
M2_RXD3
I
MAC2 receive data
83
M2_RXD2
I
MAC2 receive data
84
M2_RXD1
I
MAC2 receive data
85
M2_RXD0
I
MAC2 receive data
86
M2_CRS
I
MAC2 carrier sense
87
M2_COL
I
MAC2 collision detection
88
M2_MDC
O
MAC2 MII control clock
89
M2_MDIO
I/O
MAC2 MII control data
90
DVDD18
-
Digital system power supply (+1.8V)
91
DGND
-
Digital system ground
92
BIGEND
I
Endian selection
93
DIVCK/PB11
I/O
Divided clock output or I/O port
94
PCMIN/PB10
I/O
PCM data input or I/O port
95
PCMCLK/PB9
I/O
PCM clock output or I/O port
96
PCMSYNC1/PB8
I/O
PCM synchronous signal 1 or I/O port
97
PCMSYNC2/PB7
I/O
PCM synchronous signal 2 or I/O port
29
KX-NT265RU
Pin.No.
Terminal Name
I/O Setting
Contents of Control
Remark
98
PCMOUT/PB6
I/O
PCM data output or I/O port
99
XDACK/PB5
I/O
Debugging control signal or I/O port
100
DSOD/PB4
I/O
Debugging control signal or I/O port
101
DWR/PB3
I/O
Debugging control signal or I/O port
102
DCK/PB2
I/O
Debugging control signal or I/O port
103
DSL/PB1
I/O
Debugging control signal or I/O port
104
DSID/PB0
I/O
Debugging control signal or I/O port
105
DBG15/PA15
I/O
debugging data output or I/O port
106
DBG14/PA14
I/O
debugging data output or I/O port
107
DBG13/PA13
I/O
debugging data output or I/O port
108
DVDD33
-
Digital system power supply (+3.3V)
109
DGND
-
Digital system ground
110
AVDD33
-
Analog system power supply (+3.3V)
111
AGND
-
Analog system ground
112
HSIN
I
Handset input
113
MICIN
I
Microphone input
114
VREF
O
Analog block reference voltage output
115
HSOUT
O
Handset output
116
SPOUT
O
Speaker output
117
AVDD33
-
Analog system power supply (+3.3V)
118
AGND
-
Analog system ground
119
NC
-
No internal connection
120
DBG12/PA12
I/O
Debugging data output or I/O port
121
DBG11/PA11
I/O
Debugging data output or I/O port
122
DBG10/PA10
I/O
Debugging data output or I/O port
123
DBG9/PA9
I/O
Debugging data output or I/O port
124
DBG8/PA8
I/O
Debugging data output or I/O port
125
NC
-
No internal connection
126
DVDD33
-
Digital system power supply (+3.3V)
127
DGND
-
Digital system ground
128
DBG7/PA7
I/O
Debugging data output or I/O port
129
DBG6/PA6
I/O
Debugging data output or I/O port
130
DBG5/PA5
I/O
Debugging data output or I/O port
131
DGB4/PA4
I/O
Debugging data output or I/O port
132
DBG3/PA3
I/O
Debugging data output or I/O port
133
DGB2/PA2
I/O
Debugging data output or I/O port
134
DBG1/PA1
I/O
Debugging data output or I/O port
135
DBG0/PA0
I/O
Debugging data output or I/O port
136
SCK/PC15
I/O
SIO serial clock or I/O port
137
SDI/PD0
I/O
SIO serial data input or I/O port
138
SDO/PC14
I/O
SIO serial data output or I/O port
139
IRQ3/PD3
I/O
External interrupt 3 or I/O port
140
IRQ2/PD2
I/O
External interrupt 2 or I/O port
141
IRQ1/PD1
I/O
External interrupt 1 or I/O port
142
CTSn2/PC0
I/O
USART2 clear to send signal or I/O port
143
DSRn2/PC1
I/O
USART2 data set ready signal or I/O port
144
PVDD18
-
PLL power supply (+1.8V)
145
PGND
-
PLL ground
146
VCNT2
O
PLL2VCO control
147
CS2n/PD5
I/O
External memory chip select 2 or I/O port
148
CS3n/PD6
I/O
External memory chip select 3 or I/O port
149
RTSn2/PC8
I/O
USART2 request to send signal or I/O port
150
DTRn2/PC9
I/O
USART2 data terminal ready signal or I/O port
151
EXCK2/PC2
I/O
USART2 external clock input or I/O port
152
TXD2/PC10
I/O
USART2 serial data output or I/O port
153
RXD2/PC3
I/O
USART2 serial data input or I/O port
154
TRSTIN
I
JTAG reset
155
RTCK
O
JTAG synchronous clock output
156
TCK
I
JTAG clock input
157
TMS
I
JTAG mode selection
158
TDI
I
JTAG data input
159
TDO
O
JTAG data output
160
D31
I/O
Data bus
161
D30
I/O
Data bus
162
DVDD18
-
Digital system power supply (+1.8V)
163
DGND
-
Digital system ground
164
D29
I/O
Data bus
30
KX-NT265RU
Pin.No.
Terminal Name
I/O Setting
Contents of Control
Remark
165
D28
I/O
Data bus
166
D27
I/O
Data bus
167
D26
I/O
Data bus
168
D25
I/O
Data bus
169
D24
I/O
Data bus
170
D23
I/O
Data bus
171
D22
I/O
Data bus
172
NC
-
No internal connection
173
D21
I/O
Data bus
174
D20
I/O
Data bus
175
D19
I/O
Data bus
176
D18
I/O
Data bus
177
D17
I/O
Data bus
178
D16
I/O
Data bus
179
NC
-
No internal connection
180
DVDD33
-
Digital system power supply (+3.3V)
181
DGND
-
Digital system ground
182
D15
I/O
Data bus
183
D14
I/O
Data bus
184
D13
I/O
Data bus
185
D12
I/O
Data bus
186
D11
I/O
Data bus
187
D10
I/O
Data bus
188
D9
I/O
Data bus
189
D8
I/O
Data bus
190
D7
I/O
Data bus
191
D6
I/O
Data bus
192
D5
I/O
Data bus
193
D4
I/O
Data bus
194
D3
I/O
Data bus
195
D2
I/O
Data bus
196
D1
I/O
Data bus
197
D0
I/O
Data bus
198
DVDD18
-
Digital system power supply (+1.8V)
199
DGND
-
Digital system ground
200
CTSn1/PC4
I/O
USART1 clear to send signal or I/O port
201
DSRn1/PC5
I/O
USART1 data set ready signal or I/O port
202
RTSn1/PC11
I/O
USART1 request to send signal or I/O port
203
DTRn1/PC12
I/O
USART1 data terminal ready signal or I/O port
204
EXCK1/PC6
I/O
USART1 external clock input or I/O port
205
TXD1/PC13
I/O
USART1 serial data output or I/O port
206
RXD1/PC7
I/O
USART1 serial data input or I/O port
207
A24
O
Address bus
208
A23
O
Address bus
209
A22
O
Address bus
210
A21
O
Address bus
211
A20
O
Address bus
212
A19
O
Address bus
213
A18
O
Address bus
214
A17
O
Address bus
215
A16
O
Address bus
216
DVDD33
-
Digital system power supply (+3.3V)
31
KX-NT265RU
10.2. IC2 (Ethernet)
Pin.No.
Terminal Name
I/O Setting
Contents of Control
Remark
1
MDIO
I/O
MII Data I/O
2
MDC
I
MII Clock Input
3
RXD3/PHYAD
O
MII Receive Data Output
4
RXD2/PHYAD2
O
MII Receive Data Output
5
RXD1/PHYAD3
O
MII Receive Data Output
6
RXD0/PHYAD4
O
MII Receive Data Output
7
VDDIO
-
Digital IO 2.5 /3.3V tolerant power supply
8
GND
-
Ground
9
RXDV/CRSDV/PCS_L
PBK
PBK
O
MII Receive Data Valid Output
10
RXC
O
MII Receive Clock Output
11
RXER/ISO
O
MII Receive Error Output
12
GND
-
Ground
13
VDDC
-
Digital core 2.5V only power supply
14
TXER
I
MII Transmit Error Input
15
TXC/REFCLK
I/O
MII Transmit Clock Output
16
TXEN
I
MII Transmit Enable Input
17
TXD0
I
MII Transmit Data Input
18
TXD1
I
MII Transmit Data Input
19
TXD2
I
MII Transmit Data Input
20
TXD3
I
MII Transmit Data Input
21
COL/RMII
O
MII Collision Detect Output
22
CRS/RMII_BTB
O
MII Carrier Sense Output
23
GND
-
Ground
24
VDDIO
-
Digital IO 2.5/3.3V tolerant power supply
25
INT#/PHYAD0
O
MII Interrupt Out
26
LED0/TEST
O
Not in use
27
LED1/SPD100/nFEF
O
Not in use
28
LED2/
O
Not in use
29
LED3/NWAYEN
O
Not in use
30
PD#
I
Power Down
31
VDDRX
-
Analog 2.5V power supply
32
RX-
I
Receive Input
33
RX+
I
Receive Input
34
FXSD/FXEN
O
Not in use
35
GND
-
Ground
32
KX-NT265RU
Click on the first or last page to see other KX-NT265RU service manuals if exist.