20-101-1258 Rabbit Semiconductor, 20-101-1258 Datasheet - Page 89
20-101-1258
Manufacturer Part Number
20-101-1258
Description
COMPUTER SINGLE-BOARD BL4S160
Manufacturer
Rabbit Semiconductor
Datasheet
1.20-101-1258.pdf
(144 pages)
Specifications of 20-101-1258
Module/board Type
Single Board Computer Module
Product
Modules
Processor Type
Rabbit 4000
Sram
1 MB
Flash
2 MB
Timers
8 bit, 10 bit
Number Of I/os
20
Backup Battery
3 V Lithium Coin Type
Operating Voltage
9 V to 36 V
Board Size
96 mm x 146 mm x 16 mm
Description/function
Computer Module
For Use With/related Products
BL4S160
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
316-1171
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FUNCTION DESCRIPTION
PARAMETERS
BL4S100 User’s Manual
float anaInDiff(int channel, int gaincode);
Gain Code
Reads the state of a differential A/D converter input channel and uses the previously set
calibration constants to convert it to volts. Voltage ranges given in the table below are
the nominal ranges that will be returned. However, values outside these ranges can of-
ten be seen before the return of a
If the gain code for a given channel has changed from the previous cycle, the user block
will be read to get the calibration constants for the new gain value.
channel
gaincode
0
1
2
3
4
5
6
7
GAIN_X10
GAIN_X16
GAIN_X20
GAIN_X1
GAIN_X2
GAIN_X4
GAIN_X5
GAIN_X8
Macro
the analog input channel number (0, 2, 4, 6) as shown below
the gain code of 0 to 7
channel
0
2
4
6
anaInDiff
BL_OVERFLOW
Actual Gain
×10
×16
×20
×1
×2
×4
×5
×8
Differential Inputs
+AIN0 -AIN1
+AIN2 -AIN3
+AIN4 -AIN5
+AIN6 -AIN7
error.
Voltage Range
Differential
± 1.25 V
± 2.5 V
± 20 V
± 10 V
± 5 V
± 4 V
± 2 V
± 1 V
Voltage Range
0–1.25 V
0–2.5 V
Actual
0–20 V
0–10 V
0–5 V
0–4 V
0–2 V
0–1 V
87
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