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CT2561-FP View Datasheet(PDF) - Aeroflex Corporation

Part Name
Description
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CT2561-FP Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
Table 1A – Pin Function Table (78 Pin Plug-In) (continued)
Pin #
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
Symbol
LWORD
MSGERR
TXDATA A
RXDATA A
RTADP
RTAD1
RTAD3
RESET
TXDATA B
RXDATA B
16MHz
GROUND
BCSTART
NBGRNT
BITEN
WR
BUSGRNT
LOOPERR
SSBUSY
ILLCMD
ADRINC
CHASSIS
WC0
WC2
WC4
TXINH A
LMC
TESTIN
I/O
Description
- Last word output during BC mode indicates last data word of the current
message transfer has been transferred on the parallel bus.
O Output signal which indicates an error occurred during the current message
sequence.
O Bipolar serial data output to positive input of bus transceiver.
I Bipolar serial input from negative output of bus transceiver.
I Parity bit input for RT address.
I Bit 1 of RT address input.
I Bit 3 of RT address input.
I System reset input - resets all inputs in module.
O Bipolar serial data output to negative input bus transceiver.
I Bipolar serial data input from positive output of bus transceiver.
I 16MHz TTL clock input.
- Signal ground.
I Cycle enable input Logic "0" initiates bus controller message transfer operation.
O New bus grant output from RT indicates beginning of message transfer
sequence.
O Built in Test enable output indicates RT is transferring BlT word on internal 16 bit
bus.
O Write enable output for control of subsystem memory.
I Bus request input in response to DTREQ. Allows BC/RT to transfer data to
subsystem.
O Loop error output. Logic "0" indicates failure of loop back transmitted data.
I Subsystem busy input for RT status word.
I Illegal command input to RT, used to block RT response to an illegal command.
O Increment output pulse. Goes LOW at the completion of each word transfer
to/from subsystem. Can increment external address counter.
- Frame ground electricity isolated from signal ground
O LSB of current command word count field.
O Bit 2 of word count field.
O Bit 4 of word count field.
O Transmitter inhibit output signal for Channel A.
O Latched Mode Command. Logic "1" indicates current word command is a mode
code word, WC0-WC4.
- Factory test point. Do not connect.
Aeroflex Circuit Technology
4
SCDCT2561 REV A 8/16/99 Plainview NY (516) 694-6700
 

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