STLED316S datasheet(19/33 Pages) STMICROELECTRONICS

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STLED316S

Commands

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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

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

1101

MSB 8

MSB 7

MSB6

MSB5

LSB4

LSB3

LSB2

LSB1

01110

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