Panasonic KX-MB283BR Service Manual page 138

KX-MB283BR
IC750 ( C1CB00002227 : 3.3V Single Power Supply) Pin Description
Pin No Signal Name
1 MDIO
2 MDC
3 RXD3/PHYAD1
4 RXD2/PHYAD2
5 RXD1/PHYAD3
6 RXD0/PHYAD4
7 VDDIO
8 GND
9 RXDV/
CRSDV/
PCS_LPBK
10 RXC
11 RXER/ISO
12 GND
13 VDDC
14 TXER
15 TXC/REFCLK
16 TXEN
17 TXD0
18 TXD1
19 TXD2
20 TXD3
21 COL/RMII
22 CRS/RMII_BTB
23 GND
24 VDDIO
25 INT#/
PHYAD0
26 LED0/TEST
27 LED1/ SPD100/
nFEF
28 LED2/DUPLEX
29 LED3/NWAYEN
30 PD#
31 VDDRX
32 RX-
33 RX+
34 FXSD/FXEN
35 GND
36 GND
37 REXT
38 VDDRCV
39 GND
40 TX-
41 TX+
42 VDDTX
43 GND
Input/Output(*)
I/O Management Independent Interface ( MII ) Data I/O
I MII Clock Input
Ipd /O MII Receive Data Output
Ipd /O MII Receive Data Output
Ipd /O MII Receive Data Output
Ipd /O MII Receive Data Output
- Digital IO 2.5V/3.3V tolerance power supply
- Ground
Ipd /O MII Receive Data Valid Output
O MII Receive Clock Output
Ipd /O MII Receive Error Output
- Ground
- Digital core 2.5V only power supply
Ipd MII Transmit Error Input
I/O MII Transmit Clock Output / RMII(Reduced MII) Reference Clock Iunput
Ipd MII Transmit Enable Input
Ipd MII Transmit Data Input
Ipd MII Transmit Data Input
Ipd MII Transmit Data Input
Ipd MII Transmit Data Input
Ipd /O MII Collision Detect Output
Ipd /O MII Carrier Sense Output
- Ground
- Digital IO 2.5V/3.3V tolerance power supply
Ipu/O Management Interface ( MII ) Interrupt Out
Ipu/O Link/Activity LED Output
Ipu/O Speed LED Output
Ipu/O Full-duplex LED Output
Ipu/O Collision LED Output
Ipu Power Down 1= Normal operation
- Analog 2.5V power supply
I Receive Input
I Receive Input
Ipd/O Fiber Mode Enable/Signal Detection in Fiber Mode
- Ground
- Ground
I External resister(6.49kΩ) connects to REXT and GNDRX
- 2.5V power output of voltage regulator.
- Ground
O Transmit Outputs
O Transmit Outputs
Transmitter 2.5V power supply
- Ground
138
Description
0=Power-down.