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STLED316SMTR Folha de dados(PDF) 19 Page - STMicroelectronics

Nome de Peças STLED316SMTR
Descrição Electrónicos  Serial-interfaced 6-digit LED controller with keyscan
PDF  33 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STLED316SMTR Folha de dados(HTML) 19 Page - STMicroelectronics

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STLED316S
Commands
19/33
8
Commands
Command sets the display mode and the status of the LED driver. The first byte input to the
STLED316S through the DIN input after the STB goes low is regarded as a command. If
STB is set high while commands/data are transmitted, serial communication is initialized,
and the commands/data being transmitted are invalid (however, the commands/data already
transmitted remain valid).
8.1
Write command
Description:
LSB 3 -1
→address of the memory
MSB5 and LSB4
→address of memory bank (page)
MSB
→6 ‘0’ auto increment address
‘1’ fixed address
MSB 7
→‘0’ Write command
‘1’ Read command
MSB 8
→‘X’ Unused
The following bytes are either configuration data or display data.
During the write command, the control flag display on and auto increment address are
latched into the internal control flag register. The default value is ‘0’ for display on control
register implying that the display is off. The user must turn on the display to view the display
memory. Similarly the auto increment address mode is enabled by default. If the user
desires to read from a particular address location, the user can fix the address pointer.
Display on:
Display off:
Use these two commands to turn the display ‘ON’ and ‘OFF’.
MSB 8
MSB 7
MSB6
MSB5
LSB4
LSB3
LSB2
LSB1
MSB 8
MSB 7
MSB6
MSB5
LSB4
LSB3
LSB2
LSB1
x
0
X
0
1101
MSB 8
MSB 7
MSB6
MSB5
LSB4
LSB3
LSB2
LSB1
x
0
X
01110



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