CFA633-RDI-KS datasheet(67/88 Pages) CRYSTAIFONTZ

67 / 88 page

Crystalfontz America, Inc.

Data Sheet Release Date 2012/02/21

www.crystalfontz.com

CFA633-RDI-KS LCD Module (Hardware v2.0 / Firmware s2v1)

February 2012

Page 67

//Write 0x40 (=64) to address 0x1C (=28) to leave analog circuitry on

//(see page 6 of the data sheet)

<command 20> \000\002\085\028\000\064

<response> C=84(d=0):2E,05,22

//16 bit "i-button" CRC + 8-bit "DOW" CRC

//Consult "i-button" docs to check 16-bit CRC

//DOW CRC is probably useless for this device.

//Write all 8 channels of control/status (16 bits, 5.10v range)

<command 20> \000\002\085\008\000\000 // address = 8, channel A low

<response> C=84(d=0):6F,F1,68

// 16-bits, output off

<command 20> \000\002\085\009\000\001 // address = 9, channel A high

<response> C=84(d=0):FF,F1,AB

// no alarms, 5.1v

<command 20> \000\002\085\010\000\000 // address = 10, channel B low

<response> C=84(d=0):CE,31,88

// 16-bits, output off

<command 20> \000\002\085\011\000\001 // address = 11, channel B high

<response> C=84(d=0):5E,31,4B

// no alarms, 5.1v

<command 20> \000\002\085\012\000\000 // address = 12, channel C low

<response> C=84(d=0):2E,30,A3

// 16-bits, output off

<command 20> \000\002\085\013\000\001 // address = 13, channel C high

<response> C=84(d=0):BE,30,60

// no alarms, 5.1v

<command 20> \000\002\085\014\000\000 // address = 14, channel D low

<response> C=84(d=0):8F,F0,43

// 16-bits, output off

<command 20> \000\002\085\015\000\001 // address = 15, channel D high

<response> C=84(d=0):1F,F0,80

// no alarms, 5.1v

//Read all 4 channels of control/status (check only)

<command 20> \000\010\170\008\000

<response> C=84(d=0):00,01,00,01,00,01,00,01,E0,CF,01

//Repeat next two commands for each conversion (two cycles shown)

//Start conversion on all channels

<command 20> \000\002\060\015\000

<response> C=84(d=0):3A,03,28

//Read all 8 channels

<command 20> \000\010\170\000\000

<response> C=84(d=0):00,33,DF,64,84,96,6A,C8,5A,6B,BE

//Decoded response:

0x3300 = 13056 1.016015625 volts (channel A)

0x64DF = 25823 2.009541321 volts (channel B)

0x9684 = 38532 2.998553467 volts (channel C)

0xC86A = 51306 3.992623901 volts (channel D)

//Start conversion on all channels

<command 20> \000\002\060\015\000

<response> C=84(d=0):3A,03,28

//Read all 8 channels

<command 20> \000\010\170\000\000

<response> C=84(d=0):6B,33,B2,64,97,96,42,C8,0F,C9,0A

//Decoded response:

0x336B = 13163 1.024342346 volts (channel A)

0x64B2 = 25778 2.006039429 volts (channel B)

0x9697 = 38551 3.000032043 volts (channel C)

0xC842 = 51266 3.989511108 volts (channel D)

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