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參數(shù)資料
型號(hào): RF803D
廠商: RF Solutions
文件頁(yè)數(shù): 11/13頁(yè)
文件大?。?/td> 0K
描述: IC DECODER 3 DGTL I/O 8-PDIP
標(biāo)準(zhǔn)包裝: 1
類型: 解碼器
應(yīng)用: RF,IR
安裝類型: 通孔
封裝/外殼: 8-DIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 8-DIP
包裝: 散裝
產(chǎn)品目錄頁(yè)面: 582 (CN2011-ZH PDF)
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Serial Data Format
Serial Data is sent every 1/2 second as a stream of 7 bytes at 9.6K baud. The serial data format is:
8 data bits with 1 stop bit, no parity.
Serial data is output form the Decoder chip whenever a valid data packet from an RF80n or other
compatible RF Solutions transmitter is received regardless of learn
Output from Serial Data pin
N
X
STAT $0D $0A
LF Line feed (last character)
CR Carriage return
Battery Status / Learn Status
Encoder Input information
Encoder serial number
7 bytes of data transmitted
Encoder Serial Number [NN]
: made up of two 8-bit bytes where the most significant byte is
transmitted first.
This provides a total of 65,536 possible serial numbers.
Example:
12AB (hexadecimal) or 0001 0010 1010 1011 (binary)
Encoder Input Information [XX]:
made up of two 8-bit bytes.
The high order byte is sent first representing inputs 16 down to 9 where the MSb is input 16 and the
LSb is input 9.
The low order byte is sent next representing inputs 8 down to 1 where the MSb is input 8 and the
LSb is input 1.
A bit at state 1 represents an encoder input as active.
Using this method inputs can be multiplexed giving maximum versatility.
Example:
00000000 00001000 - Shows input 4 active.
00000001 00000000 – Shows input 9 active
10000001 00000001 – Shows inputs 16, 9 and 1 active
Status [STAT]:
The status byte is made up of an 8-bit byte as follows:
BIT
Description
Details
Bit-7 down to 2
Reserved
For future usage
Bit 1
Learn status
1 = encoder has been learnt
Bit 0
Battery status
0 = encoder battery is OK
1 = encoder battery is low
Example:
00000010 = encoder battery ok, encoder has been learnt
00000001 = encoder battery low, encoder has not been learnt
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