am79c940 Advanced Micro Devices, am79c940 Datasheet - Page 14

• Manufacturer Part Number: am79c940
• Description: Media Access Controller For Ethernet Mace
• Manufacturer: Advanced Micro Devices

PIN/PACKAGE SUMMARY (continued)
14
AMD
PQFP Pin #
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
Pin Name
RDTREQ
TDTREQ
RXPOL
LNKST
XTAL1
XTAL2
ADD0
ADD1
ADD2
ADD3
ADD4
RXD–
RXD+
SCLK
TXD–
TXP+
TXD+
DV
DV
AV
TXP–
AV
AV
AV
AV
TDO
TMS
TCK
DO–
DO+
R/W
TDI
DI+
NC
NC
NC
NC
NC
NC
NC
NC
DI–
CS
DD
DD
DD
SS
DD
SS
SS
Am79C940
System Clock
Transmit Data Transfer Request
Receive Data Transfer Request
Address0
Address1
Address2
Address3
Address4
No Connect
No Connect
No Connect
No Connect
Read/Write
Chip Select
Receive Polarity
Link Status
Test Data Out
Test Mode Select
Test Clock
Digital Ground
Test Data Input
Digital Power
Receive Data–
Receive Data+
Analog Power
Transmit Pre-distortion–
Transmit Data–
Transmit Pre-distortion+
Transmit Data+
Analog Power
Crystal Input
Analog Ground
Crystal Output
No Connect
No Connect
No Connect
Analog Ground
No Connect
Data Out–
Data Out+
Analog Power
Data In–
Data In+
Pin Function