AS7262 datasheet(33/47 Pages) AMSCO

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ams Datasheet

Page 33

[v1-00] 2016-Dec-16

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AS7262 − Detailed Description

LED Driver Controls

ATLED0=<value>

Sets LED_IND: 100=ON, 0=OFF

ATLED0

<100|0>OK

Reads LED_IND setting: 100=ON, 0=OFF

ATLED1=<value>

Sets LED_DRV: 100=ON, 0=OFF

ATLED1

<100|0>OK

Reads LED_DRV setting: 100=ON, 0=OFF

ATLEDC=<value>

Sets LED_IND and LED_DRV current

LED_IND: bits 3:0; LED_DRV: 7:4 bits

LED_IND: ‘b00=1mA; ‘b01=2mA; ‘b10=4mA; ‘b11=8mA

LED_DRV: ‘b00=12.5mA; ‘b01=25mA; ‘b10=50mA;

‘b11=100mA

ATLEDC

<value>OK

Reads LED_IND and LED_DRV current settings as shown

above

NOP, Version Access, System Reset

→ Success

ERROR

→ Failure

NOP

ATRST

None

Software Reset – no response

ATVERSW

<SWversion#>OK

ERROR

→ Failure

Returns the system software version number

ATVERHW

<HWversion#>OK

ERROR

→ Failure

Returns the system hardware revision and product ID,

with bits 7:4 containing the part ID, and bits 3:0 yielding

the chip revision value.

Firmware Update

ATFWU=<value>OK

<value>= 16-bit checksum. Initializes the firmware update

process. Number of bytes that follow are always 56k bytes

ATFW=<value>OK

Download new firmware

Up to 7 Bytes represented as hex chars with no leading or

trailing 0x.

Repeat command till all 56k bytes of firmware are

downloaded

ATFWA

Causes target address for FW updates to advance. Should

be called after every successful “OK” returned after

“ATFW=<value>” command usage.

ATFWS

Causes the active image to switch between the two

possible current images and then resets the IC

Command

Response

Description/Parameters

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