KS8721B/BT
Micrel
Pin Configuration
MDIO
MDC
1
2
3
4
5
6
7
8
9
48 RST#
47 VDDPLL
46 XI
R3D3/PHYAD1
RXD2/PHYAD2
RXD1/PHYAD3
RXD0/PHYAD4
VDDIO
45 XO
44 GND
43 GND
42 VDDTX
41 TX+
GND
RXDV/PCS_LPBK
40 TX-
RXC 10
RXER/ISO 11
GND 12
39 GND
38 VDDRCV
37 REXT
48 47 46 45 44 43 42 4140 39 38 37
36
35
34
33
32
31
30
29
28
27
GND
GND
FXSD/FXEN
RX+
RX—
VDDRX
MDIO
MDC
1
2
3
4
5
6
7
8
9
VDDC 13
36 GND
RXD3/PHYAD1
RXD2/PHYAD2
RXD1/PHYAD3
RXD0/PHYAD4
VDDIO
GND
RXDV/PCS_LPBK
RXC
TXER 14
35 GND
TXC/REF_CLK 15
TXEN 16
34 FXSD/FXEN
33 RX+
PD#
LED3/NWAYEN
LED2/DUPLEX
LED1/SPD100
LED0/TEST
INT#/PHYAD0
TXD0 17
32 RX-
10
11
12
TXD1 18
31 VDDRX
30 PD#
26
25
RXER/ISO
GND
TXD2 19
TXD3 20
29 LED3/NWAYEN
28 LED2/DUPLEX
27 LED1/SPD100
26 LED0/TEST
25 INT#/PHYAD0
13 14 15 16 17 18 19 20 21 22 23 24
COL/RMII 21
CRS/RMII_BTB 22
GND 23
VDDIO 24
48-Pin TQFP (TQ)
48-Pin SSOP (SM)
KS8721B/BT
10
August 2003
MICREL [ MICREL SEMICONDUCTOR ]
