DSB75 Development Support Board Rev. B1 Hardware Description
Confidential / Released
DSB75_hd_v12
Page 56 of 96
2008-08-26
Figure 31: Analog interface
Table 24: Pin assignment of the analog interface
Pin
Name
I/O
Description
X100 signal
name
Switch
setting
for loop
Remark
X101/37 ADC1_IN
I
ADC Input 1
ADC1_IN
X551:3
X101/35 ADC2_IN
I
ADC Input 2
ADC2_IN
X552:3
If no loop required
Keep switches in
position 1
X101/33 AGND
Ground
for
ADC Inputs
AGND
X101/38 DACOUT
O DAC
Output
(PWM)
DACOUT
X561/1 DACOUT_F O DAC
Output
(filtered)
DACOUT
If no loop required:
Jumper bridge X561
can be removed
X101/40 GND
Ground
for
DAC Output
B2B
X100
X101
DACOUT
ADC1_IN
ADC2_IN
DACOUT
ADC1_IN
ADC2_IN
79
41
2
3
38
40
37
35
X551
1
3
1
3
X552
X560
X561
X562
GND
Filter
:
Test point strips
1
2
1
2
DACOUT_F
AGND
AGND
57
33
GND
