3.4A/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 |
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Attribute | : write only |
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Data Format: |
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| 4 |
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| 0 |
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| Base |
| MUX | Auto- |
| A/D Mode | ||||
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| Scan |
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| GAIN |
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| U |
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| Base |
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A/D Mode:
Bit 3 | Bit 2 | Bit 1 | Bit 0 |
EITS | TSTS | INTX | DMA |
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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
22 ∙ Registers Format