LAN9221 Datasheet, PDF (15/151 Pages) SMSC Corporation – High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O

High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O
Datasheet
Chapter 2 Pin Description and Configuration
IRQ 43
TPO- 44
TPO+ 45
VDD33A 46
TPI- 47
TPI+ 48
VDD33A 49
EXRES 50
VDD33A 51
AMDIX_EN 52
VDD18A 53
XTAL2 54
XTAL1/CLKIN** 55
VDDVARIO 56
SMSC
LAN9221/LAN9221i
56-QFN
(TOP VIEW)
VSS
28 D7
27 D8
26 D9
25 D10
24 VDDVARIO
23 D11
22 D12
21 D13
20 D14
19 D15
18 VDDVARIO
17 nCS
16 nWR
15 nRD
**DENOTES A MULTIFUNCTION PIN
NOTE: When HP Auto-MDIX is activated, the TPO+/- pins can function as TPI+/- and vice-versa
NOTE: Exposed pad (VSS) on bottom of package must be connected to ground
Figure 2.1 56-QFN Pin Configuration (Top View)
SMSC LAN9221/LAN9221i
15
DATASHEET
Revision 2.6 (12-04-08)