KS8721BL/SL
Micrel
Pin Configuration
MDIO 1
MDC 2
R3D3/PHYAD1 3
RXD2/PHYAD2 4
RXD1/PHYAD3 5
RXD0/PHYAD4 6
VDDIO 7
GND 8
RXDV/PCS_LPBK 9
RXC 10
RXER/ISO 11
GND 12
VDDC 13
TXER 14
TXC/REF_CLK 15
TXEN 16
TXD0 17
TXD1 18
TXD2 19
TXD3 20
COL/RMII 21
CRS/RMII_BTB 22
GND 23
VDDIO 24
48 RST#
47 VDDPLL
46 XI
45 XO
44 GND
43 GND
42 VDDTX
41 TX+
40 TX-
39 GND
38 VDDRCV
37 REXT
36 GND
35 GND
34 FXSD/FXEN
33 RX+
32 RX-
31 VDDRX
30 PD#
29 LED3/NWAYEN
13 14 15 16 17 18 19 20 21 22 23 24
MDIO
MDC
RXD3/PHYAD1
RXD2/PHYAD2
RXD1/PHYAD3
RXD0/PHYAD4
VDDIO
GND
RXDV/PCS_LPBK
RXC
RXER/ISO
GND
1
2
3
4
5
6
7
8
9
10
11
12
48 47 46 45 44 43 42 41 40 39 38 37
36
35
34
33
32
31
30
29
28
27
26
25
GND
GND
FXSD/FXEN
RX+
RX—
VDDRX
PD#
LED3/NWAYEN
LED2/DUPLEX
LED1/SPD100
LED0/TEST
INT#/PHYAD0
28 LED2/DUPLEX
27 LED1/SPD100
26 LED0/TEST
25 INT#/PHYAD0
VDDC
TXER
TXC/REF_CLK
TXEN
TXD0
TXD1
TXD2
TXD3
COL/RMII
CRS/RMII_BTB
GND
VDDIO
48-Pin SSOP (SM)
M9999-051704
10
RST#
VDDPLL
X1
X0
GND
GND
VDDTX
TX+
TX—
GND
VDDRCV
REXT
48-Pin LQFP (LQ)
May 2004
MICREL [ MICREL SEMICONDUCTOR ]
