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參數(shù)資料
| 型號(hào)： | SC5272S-M5 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | REMOTE CONTROL DECODER |
| 中文描述： | 遙控解碼器 |
| 文件頁(yè)數(shù)： | 7/12頁(yè) |
| 文件大?。?/td> | 180K |
| 代理商： | SC5272S-M5 |
Silan
Semiconductors
SC5272
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0
2000.12.31
7
4.LATCH OR MOMENTARY DATA OUTPUT TYPE
The SC5272 uses either the latch or momentary data output type depending on the SC5272 version used. The
latch type SC5272-LXactivates the data out during transmission and this data is sustained in the memory until
another data is inputted or entered. A momentary type(SC5272-MXon the other hand, activates the data out only
during transmission. In the momentary type, the data does not remain in the memory after the transmission is
completed. Please refer to the diagram below:
Data Words
Data Words
Data Output X
Data Output Y
Data Output X
Data Output Y
Din
Data Pins
(Momentary)
Data Pins
(Latch)
VT
T
T
OPERATION FLOW CHART
Decoder Without Data Output Pin
1. When the power is turned on, the SC5272 activates the Stand-By Mode.
2. It then search for signals, If there is no signal received, it remains in the Stand-By Mode; otherwise, the address
bits received are compared with the address configuration of the pins.
3. The VT goes high signifying the validation of transmission only when there are two continuous frames that
contain matched address bit; otherwise, VT will not be activated and the Stand-By Mode remains active.
4. Then , the address bits are again checked. Two continuous mismatches of the address bits would disable the VT
and make the Stand-By Mode active; otherwise, the address bits are continuous checked.
Power ON
Stand-By Mode
Singal IN
Address bits
match
Address bits
match
Activate VT
Address bits
still match
Address bits
still match
Disable VT
Yes
Yes
No
No
No
Yes
Yes
No
Yes
No
Decoder Without Data Output Pin
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