STFPC320 STMicroelectronics, STFPC320 Datasheet - Page 50
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STFPC320
Manufacturer Part Number
STFPC320
Description
Front Panel Controller/driver With Standby Power Management And Real-time Clock
Manufacturer
STMicroelectronics
Datasheet
1.STFPC320.pdf
(75 pages)
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Remote control protocols
15.3.1
15.3.2
50/75
RC-5 data in decoded format
In the decoded form, the ADR bits followed by Start bit and Toggle Bit followed by Data bits
are sent in this order for each remote control protocol. The number of bits depends on the
corresponding RC protocol. The remaining empty bits are stuffed with 1’s to complete a
byte-aligned data frame.
Example for Philips RC-5 protocol, if the 5-bit ADDR field is “00000” and 6-bit command is
“000001”, the in decoded format the data on SDA pin will be sent as follows with MSB
transmitted first. S stands for Start Bit and T stands for Toggle Bit.
RC-5 data in RAW format
In the raw form, the data is sent in the same way as it is received for each RC protocol
except that the header is not transmitted on SDA. So for the above example for Philips RC-5
protocol, the data on SDA pin in raw-format will be as follows:
Data word
Sent first on SDA
Byte 1
Byte 2
Byte 3
1-bit Start
bit
MSB
X
X
0
0
0
0
Toggle Bit
1-bit
X
X
0
0
0
0
ADR
DAT
A
X
X
0
0
0
0
MSB
5-bit Address
X
X
0
0
0
0
LSB
LSB
X
X
0
0
1
1
S
S
X
X
X
X
LSB MSB
X
X
X
X
T
T
6-bit Command
MSB
X
X
X
X
0
0
STFPC320
LSB