Carlo Maragno / didactic octo psu - Files

write_explenation
Write All Memory


	  COMMAND BITS
        W |||
 	| |||    GAIN
 ADDRESS| |||    |
[11000000 01100000]
	     ||||
	     ||||
	     ||POWER
	     ||DOWN
	     ||
	   VOLTAGE
	   REFERENCE
	   SELECTION

COMMAND SELECTION

011 Write All Memeory

VOLTAGE REFERENCE SELECTION

0x Vcc
10 Vref-Unbuffered
11 Vref-Buffered

POWER DOWN SELECTION

00  Not Powered Down (Normal operation)
01  Powered Down – V OUT is loaded with 1 kΩ resistor to ground.
10  Powered Down – V OUT is loaded with 100 kΩ resistor to ground.
11  Powered Down – V OUT is loaded with 500 kΩ resistor to ground.

GAIN SELECTION

0  1x (gain of 1)
1  2x (gain of 2). Not applicable when V DD is used as V RL

Write Volatile DAC Register
This command is typically used for a quick update of the analog output by modifying the minimum parameters.


	  COMMAND BITS
        W || 
 	| ||POWER DOWN SELECTION     
 ADDRESS| ||||     
[11000000 00100000 00000000]
	      |		  \-------------------------------\
	      |						  |			
	      |						  |
	      |						  |
	      |						  |
	      D11 D10 D09 D08 D07 D06 D05 D04 D03 D02 D01 D00

THIS SHOULD GIVE 5V OUT
[11000000 00101111 11111111]


THIS SHOULD GIVE 2.5V OUT
[11000000 00100111 11111111]


THIS SHOULD GIVE 1.2V OUT
[11000000 00100011 11111111]

THIS SHOULD GIVE 0V OUT
[11000000 00100000 00000000]