am79c940 Advanced Micro Devices, am79c940 Datasheet - Page 16

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

PIN/PACKAGE SUMMARY (continued)
16
Pin Number
TQFP
AMD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Pin Name
RDTREQ
SRDCLK
TDTREQ
DBUS10
DBUS11
DBUS12
DBUS13
DBUS14
DBUS15
RESET
SLEEP
DBUS0
DBUS1
DBUS2
DBUS3
DBUS4
DBUS5
DBUS6
DBUS7
DBUS8
DBUS9
EAM/R
SF/BD
DVDD
DVDD
DVSS
DVSS
DVSS
ADD0
ADD1
ADD2
ADD3
ADD4
SCLK
INTR
EOF
FDS
BE0
BE1
TC
Serial Receive Data Clock
External Address Match/Reject
Start Frame/Byte Delimiter
Reset
Sleep Mode
Digital Power
Interrupt
Timing Control
Data Bus0
Digital Ground
Data Bus1
Data Bus2
Data Bus3
Data Bus4
Digital Ground
Data Bus5
Data Bus6
Data Bus7
Data Bus8
Data Bus9
Data Bus10
Data Bus11
Data Bus12
Data Bus13
Digital Power
Data Bus14
Data Bus15
Digital Ground
End of Frame
FIFO Data Strobe
Byte Enable0
Byte Enable1
System Clock
Transmit Data Transfer Request
Receive Data Transfer Request
Address0
Address1
Address2
Address3
Address4
Pin Function
Am79C940
Pin Number
TQFP
41
42
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
TXEN/TXEN
Pin Name
TXDAT+
STDCLK
DXCVR
RXCRS
RXDAT
LNKST
EDSEL
XTAL1
XTAL2
DVDD
AVDD
AVDD
AVDD
AVDD
DVDD
DVSS
RXD–
RXD+
AVSS
AVSS
DVSS
DVSS
CLSN
TXP–
TXD–
TXP+
TXD+
TDO
TMS
DO–
DO+
R/W
TCK
TDI
DI–
DI+
CI–
CI+
CS
Read/Write
Chip/Select
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 Output
Analog Ground
Crystal Output
Analog Ground
Data Out–
Data Out+
Analog Power
Data In–
Data Out+
Control In–
Control In+
Analog Power
Digital Power
Disable Transceiver
Edge Select
Digital Ground
Transmit Data+
Digital Ground
Serial Transmit Data Clock
Transmit Enable
Collision
Receive Data
Receive Carrier Sense
Pin Function