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DP83261 Datasheet(PDF) 109 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # DP83261
Description  BMAC Device (FDDI Media Access Controller)
PDF  132 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DP83261 Datasheet(HTML) 109 Page - National Semiconductor (TI)

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70 Signal Descriptions (Continued)
76 PINOUT SUMMARY
(Continued)
TABLE 7-6 Pinout Summary
(Continued)
Pin
Signal Name
Symbol
IO
20
Request Class 2
RQRCLS2
I
21
Request Class 1
RQRCLS1
I
22
Request Class 0
RQRCLS0
I
23
Request Ready
RQRDY
I
24
Request Send
RQSEND
I
25
Request End of Frame
RQEOF
I
26
Request Final
RQFINAL
I
27
Request Abort
RQABT
I
28
Transmit Pass
TXPASS
O
29
Transmit Ready
TXRDY
O
30
Transmit Acknowledge
TXACK
O
31
Transmit Ending Delimiter
TXED
O
32
Transmit Abort
TXABORT
O
33
Ground
GND
I
34
Positive Power Supply
VCC
I
35
Token Class
TXCLASS
O
36
Token Holding Timer Disabled
THTDIS
O
37
Ring Operational
TXRINGOP
O
38
External A
Flag
EA
I
39
External M
Flag
EM
I
40
Positive Power Supply
VCC
I
41
MAC Request Parity
MRP
I
42
MAC Request Data 7
MRD7
I
43
MAC Request Data 6
MRD6
I
44
MAC Request Data 5
MRD5
I
45
MAC Request Data 4
MRD4
I
46
MAC Request Data 3
MRD3
I
47
MAC Request Data 2
MRD2
I
48
MAC Request Data 1
MRD1
I
49
MAC Request Data 0
MRD0
I
50
Ground
GND
I
51
Receive Start
RCSTART
O
52
Frame Control Recevied
FCRCVD
O
53
ShortLong Address Flag
FCSL
O
54
IndividualGroup Address Flag
DAIG
O
55
Destination Address Received
DARCVD
O
56
My Destination Address Recognized
AFLAG
O
57
Ground
GND
I
58
Positive Power Supply
VCC
I
59
Source Address Received
SARCVD
O
109



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