CYPRES S6AL211A94 Manuel - Sayfa 10

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2.2.2

Control Command

First six characters of the received string are treated as a control command.

The argument is only valid ASCII character code A, B, C, D, E, F and 0-9.When it received an invalid value

will be treated as receiving a "0".

Please send a space character in front of the argument.

Table 2. Control Commands

Command

DIMSET

MEMSET

QUERYS

WAKEUP

PRESET

SELECT

(Others)

[1]: Write data to excluding the address "0x10" is stored in non-volatile memory. Therefore, please do not

power-off from the transmission of the MEMSET command within 5 seconds. If power is lost within 5 seconds,

the write data is not guaranteed.

[2]: Unless setting to illuminate within 3 seconds after receiving the WAKEUP command, it moves again to

the standby state.

[3]: When receive at standby state, this device outputs the response within 4 ms from the first character.

S6AL211A94, ASSP 4ch LED Driver IC for Intelligent Lighting Hardware Manual, Doc. No. 002-08545 Rev. *B

Argument

1st : ch1 dimming level

2nd : ch2 dimming level

Set the dimming level on each channel.

ex. ) DIMSET FF AA FF 93<CR><LF>

3rd : ch3 dimming level

4th : ch4 dimming level

1st : write address

Write data to the memory.

ex. ) MEMSET 3055<CR><LF>

2nd : write data

Read from memory.

1st : read address

ex. ) QUERYS 24<CR><LF>

Return to the normal dimming operation state from

the standby state.

No argument

This command is ignored when the state is not the

standby.

Initialize the device when the light is off bye

protection.

No argument

This command is ignored when the light is not off

bye protection.

Select the slave device.

When the argument matches the parameter

"SLAVE ADDRESS", all commands is accepted.

When the argument don't match the parameter

1st : slave address

"SLAVE ADDRESS",it is accepted only command

of WAKEUP and SELECT.

If the received argumentis "FF", regardless of the

setting value of "SLAVE ADDRESS", all

commands is accepted.

It is determined that the invalid command, input is

－

ignored.

About Corresponded UART Interface

Function

[1]

[2]

Response

OK<CR><LF>

Read Data or "TRUE"

or "FALSE"＋

[3]

OK<CR><LF>

If the received

argument is "FF" or the

value of "SLAVE

ADDRESS", output the

response

"OK<CR><LF>".

No response