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Registers Format
3.4 A/D control Register
This register is to control the A/D channels to be converted. It is a write
only register. When the channel number is written to the register, the
multiplexer switches to the new channel and wait for conversion.
Address : BASE + 18
Attribute : write only
Data Format:
Bit 4 0
Base
+ 18
MUX Auto-
Scan
A/D Mode
Base
+ 19
GAIN
M
U
X
Base
+ 1A
--- -
-
-
Base
+ 1B
--- -
-
-
A/D Mode:
Bit 3 Bit 2 Bit 1 Bit 0
EITS TSTS INTX DMA
X
EITS : External / Internal Trigger Source
1 : External Trigger Source
0: Internal Trigger Source
TPST : Timer Pacer/ Software Trigger
1 : Timer Pacer Trigger
0 : Software Trigger
(It is only available when the Internal Trigger Source is selected)
INTX: Interrupt Transfer Mode
1 : Enable Interrupt Transfer
0 : Disable Interrupt Transfer
DMAX : DMA Transfer Mode (bus mastering)
1 : Enable DMA Data Transfer
0 : Disable DMA Data Transfer