AM79C940JC/W AMD [Advanced Micro Devices], AM79C940JC/W Datasheet - Page 18

• Manufacturer Part Number: AM79C940JC/W
• Manufacturer: AMD [Advanced Micro Devices]

PIN SUMMARY (continued)
18
External Address Detection Interface (EADI)
SF/BD
SRD
EAM/R
SRDCLK
Host System Interface
DBUS 15–0
ADD4–0
R/W
RDTREQ
TDTREQ
DTV
EOF
BE0
BE1
CS
FDS
INTR
EDSEL
TC
SCLK
RESET
IEEE 1149.1 Test Access Port (TAP) Interface
TCK
TMS
TDI
TDO
General Interface
XTAL1
XTAL2
SLEEP
DV
DV
AV
AV
Pin Name
DD
SS
DD
SS
Start Frame/Byte Delimiter
Serial Receive Data
External Address Match/Reject
Serial Receive Data Clock
Data Bus
Address
Read/Write
Receive Data Transfer Request
Transmit Data Transfer Request
Data Transfer Valid
End Of Frame
Byte Enable 0
Byte Enable 1
Chip Select
FIFO Data Strobe
Interrupt
Edge Select
Timing Control
System Clock
Reset
Test Clock
Test Mode Select
Test Data Input
Test Data Out
Crystal Input
Crystal Output
Sleep Mode
Digital Power (4 pins)
Digital Power (6 pins)
Analog Power (4 pins)
Analog Power (2 pins)
Pin Function
Type
I/O
I/O
I/O
Am79C940
O
O
O
O
O
O
O
O
P
P
P
P
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
High/Low
Active
High
High
High
High
High
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Output except in GPSI
Tristate
Open Drain
Internal pull-up
Internal pull-up
Internal pull-up
Internal pull-up
CMOS
CMOS
TTL
Comment