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STFPC320 Datasheet(PDF) 35 Page - STMicroelectronics

Part # STFPC320
Description  Front panel controller/driver with standby power management and real-time clock
PDF  78 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STFPC320 Datasheet(HTML) 35 Page - STMicroelectronics

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STFPC320
Commands
35/78
The second byte after the configuration command is in the format displayed in Figure 15
Figure 15.
Second byte format after configuration type
The above example shows the HH, MM, SS digits on a 10-digit display panel when RTC
digit 1 is configured (Bits b7 - b4= “0000”) & HH:MM:SS format is selected with separator
being a part of the same digit. The MSB of Hour corresponds to Digit 1 when
b7 - b4= “0000”.
When b7-b4=“0001” is configured, the MSB of Hour starts from the Digit 2.
Note:
The Digit 1 must start from the left.
HH
M
M
S
S
Dig 1
Dig 2
Dig 3
Dig 4
Dig 5
Dig 6
Dig 7
Dig 8
Dig 9
Dig 10
b0
b1
b2
b3
b4
b5
b6
b7
MSB
LSB
RTC DISPLAY MODE
SETTING
0000: RTC digit 1 (default)
0001: RTC digit 2
0010: RTC digit 3
0011: RTC digit 4
0100: RTC digit 5
0101: RTC digit 6
0110: RTC digit 7
VFD DISPLAY MODE SETTING
0111 : 8 digits, 20 segments
1000 : 9 digits, 19 segments
1001 : 10 digits, 18 segments
1010 : 11 digits, 17 segments
1011 : 12 digits, 16 segments
1100 : 13 digits, 15 segments
1101 : 14 digits, 14 segments
1110 : 15 digits, 13 segments
1111 : 16 digits, 12 segments
Note that the RTC digit 1 is the
default setting.
b0
b1
b2
b3
b4
b5
b6
b7
MSB
LSB
RTC DISPLAY MODE
SETTING
0000: RTC digit 1 (default)
0001: RTC digit 2
0010: RTC digit 3
0011: RTC digit 4
0100: RTC digit 5
0101: RTC digit 6
0110: RTC digit 7
VFD DISPLAY MODE SETTING
0111 : 8 digits, 20 segments
1000 : 9 digits, 19 segments
1001 : 10 digits, 18 segments
1010 : 11 digits, 17 segments
1011 : 12 digits, 16 segments
1100 : 13 digits, 15 segments
1101 : 14 digits, 14 segments
1110 : 15 digits, 13 segments
1111 : 16 digits, 12 segments
Note that the RTC digit 1 is the
default setting.



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