AM79C940 Datasheet, PDF (14/144 Pages) Advanced Micro Devices – Media Access Controller for Ethernet (MACE)

PIN/PACKAGE SUMMARY (continued)
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
SCLK
TDTREQ
RDTREQ
ADD0
ADD1
ADD2
ADD3
ADD4
NC
NC
NC
NC
R/W
CS
RXPOL
LNKST
TDO
TMS
TCK
DV_SS
TDI
DV_DD
RXD–
RXD+
AV_DD
TXP–
TXD–
TXP+
TXD+
AV_DD
XTAL1
AV_SS
XTAL2
NC
NC
NC
AV_SS
NC
DO–
DO+
AV_DD
DI–
DI+
Pin Function
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+
14
Am79C940