PISO-813 Series Card
32-channel Single-Ended Isolated A/D Board
User Manual, Ver. 1.5, Feb. 2014, PMH-003-15, Page: 34
6.3.3 Multiplexer Channel Select Register
(Write): wBase+0xe0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
-
-
-
D4
D3
D2
D1
D0
For example:
outportb(wBase+0xe0,0);
/* Select analog input channel 0 */
outportb(wBase+0xe0,1);
/* Select analog input channel 1 */
outportb(wBase+0xe0,31);
/* Select analog input channel 31 */
6.3.4 PGA Gain Code Register
(Write): wBase+0xe4
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
-
-
-
-
-
D2
D1
D0
For example:
outportb(wBase+0xe4,0);
/* Select PGM Gain =
1 */
outportb(wBase+0xe4,1);
/* Select PGM Gain =
2 */
outportb(wBase+0xe4,2);
/* Select PGM Gain =
4 */
outportb(wBase+0xe4,3);
/* Select PGM Gain =
8 */
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