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參數(shù)資料
| 型號： | BU-65171V3-122W |
| 廠商： | DATA DEVICE CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CDFP70 |
| 封裝： | 1.900 X 1 INCH, 0.150 INCH HEIGHT, LOW PROFILE, CERAMIC, FP-70 |
| 文件頁數(shù)： | 20/44頁 |
| 文件大小： | 298K |
| 代理商： | BU-65171V3-122W |
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27
FIGURE 14. 8-BIT BUFFERED MODE
* Additional address lines A12 and A13 are required with the BU-61585.
HOST
ACE
55
55
8
7
5
4
1
2
3
CH. A
TX/RXA
55
55
8
7
5
4
1
2
3
CH. B
TX/RXB
RTAD4-RTAD0
RT
ADDRESS,
PARITY
RTADP
D15-D8
+5V
+15V
CLK IN
16 MHz
CLOCK
OSCILLATOR
POLARITY_SEL
(NOTE 3)
ZERO_WAIT
(NOTE 4)
ADDRESS
DECODER
SELECT
MEM/REG
RD/WR
STRBD
READYD
TAG_CLK
RD/WR
CPU STROBE
CPU ACKNOWLEDGE
(NOTE 6)
RESET
NOTES:
+5V
MSTCLR
SSFLAG/EXT_TRIG
INT
CPU INTERRUPT REQUEST
TRANSFERS ARE TRIGGERED BY THE MOST SIGNIFICANT
BYTE TRANSFER READ ACCESSES AND BY THE
LEAST SIGNIFICANT BYTE TRANSFER FOR WRITE ACCESSES.
IF TRIGGER_SEL = "0", THEN INTERNAL 16-BIT
TRANSFERS ARE TRIGGERED BY THE LEAST SIGNIFICANT
BYTE TRANSFER FOR READ ACESSES AND BY THE MOST
SIGNIFICANT BYT TRANSFER FOR WRITE ACCESSES.
FOR ZERO WAIT INTERFACE (ZERO WAIT = "0"):
IF TRIGGER_SEL = "1", THEN INTERNAL 16-BIT
TRANSFERS ARE TRIGGERED BY THE LEAST SIGNIFICANT
BYTE TRANSFER, FOR BOTH READ AND WRITE ACCESSES.
IF TRIGGER_SEL = "0", THEN INTERNAL 16-BIT
TRANSFERS ARE TRIGGERED BY THE MOST SIGNIFICANT
BYTE TRANSFER, FOR BOTH READ AND WRITE ACCESES.
6. CPU ACKNOWLEDGE PROCESSOR INPUT ONLY FOR NON-ZERO
WAIT TYPE OF INTERFACE.
1. CPU D7-D0 CONNECTS TO BOTH D15-D8 AND
D7-D0.
2. CPU ADDRESS LATCH SIGNAL PROVIDED BY PROCESSORS
WITH MULTIPLEXED ADDRESS/DATA BUFFERS.
3. IF POLARITY_SEL = "1", THEN MSB/LSB SELECTS THE MOST
SIGNIFICANT BYTE WHEN LOW, AND THE LEAST
SIGNIFICANT BYTE WHEN HIGH.
IF POLARITY_SEL = "0", THEN MSB/LSB SELECTS THE LEAST
SIGNIFICANT BYTE WHEN LOW, AND THE MOST
SIGNIFICANT BYTE WHEN HIGH.
4. ZERO WAIT SHOULD BE STRAPPED TO LOGIC "1" FOR
NON-ZERO WAIT INTERFACE AND TO LOGIC "0" FOR
ZERO WAIT INTERFACE.
5. OPERATION OF TRIGGER_SELECT INPUT IS AS FOLLOWS:
FOR NON-ZERO WAIT INTERFACE (ZERO WAIT = "1"):
IF TRIGGER_SEL = "1", THEN INTERNAL 16-BIT
A15-A12
A11-A0
N/C
ADDR_LAT
CPU ADDRESS LATCH
(NOTE 1)
16/8_BIT
TRANSPARENT/BUFFERED
+5V
CPU D7-D0
(NOTE 2)
A12-A1
CPU A12-A0
MSB/LSB
CPU A0
TRIGGER_SEL
(NOTE 5)
D7-D0
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