KS8721BT Micrel Inc, KS8721BT Datasheet - Page 10

• Manufacturer Part Number: KS8721BT
• Description: IC TXRX PHY 10/100 TX/FX 48TQFP
• Manufacturer: Micrel Inc
• Type: Transceiverr

Specifications of KS8721BT

• Number Of Drivers/receivers: 1/1
• Protocol: MII, RMII
• Voltage - Supply: 2.375 V ~ 2.625 V
• Mounting Type: Surface Mount
• Package / Case: 48-TQFP, 48-VQFP
• For Use With: 576-1009 - BOARD EVAL EXPERIMENT KS8721BT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

KS8721B/BT
Pin Configuration
M9999-041405
RXDV/PCS_LPBK
CRS/RMII_BTB
RXD2/PHYAD2
RXD1/PHYAD3
RXD0/PHYAD4
R3D3/PHYAD1
TXC/REF_CLK
RXER/ISO
COL/RMII
VDDIO
VDDIO
VDDC
TXER
TXEN
MDIO
TXD0
TXD1
TXD2
TXD3
MDC
GND
GND
GND
RXC
10
12
13
14
15
16
17
18
19
20
21
22
23
24
11
1
2
3
4
5
6
7
8
9
48-Pin SSOP (SM)
36 GND
35
34
33
32
31
30
29
28
27
48 RST#
47
46
45
44
43
42
41
40
39
38
37
26
25
VDDPLL
XI
XO
GND
GND
VDDTX
TX+
TX-
GND
VDDRCV
REXT
GND
FXSD/FXEN
RX+
RX-
VDDRX
PD#
LED3/NWAYEN
LED2/DUPLEX
LED1/SPD100
LED0/TEST
INT#/PHYAD0
10
RXDV/PCS_LPBK
RXD3/PHYAD1
RXD2/PHYAD2
RXD1/PHYAD3
RXD0/PHYAD4
RXER/ISO
VDDIO
MDIO
MDC
GND
GND
RXC
1
2
3
4
5
6
7
8
9
10
11
12
48 47 46 45 44 43 42 41 40 39 38 37
13 14 15 16 17 18 19 20
48-Pin TQFP (TQ)
21 22 23 24
36
35
34
33
32
31
30
29
28
27
26
25
Micrel, Inc.
GND
GND
FXSD/FXEN
RX+
RX–
VDDRX
PD#
LED3/NWAYEN
LED2/DUPLEX
LED1/SPD100
LED0/TEST
INT#/PHYAD0
April 2005