101-0898 Rabbit Semiconductor, 101-0898 Datasheet - Page 46
![no-image](/images/no-image-200.jpg)
101-0898
Manufacturer Part Number
101-0898
Description
KIT WEB SECURE EMBEDDED RCM3700
Manufacturer
Rabbit Semiconductor
Series
RabbitCore 3000r
Specifications of 101-0898
Main Purpose
Interface, Ethernet
Utilized Ic / Part
RCM3700
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Secondary Attributes
-
Embedded
-
Primary Attributes
-
Other names
101-898
101-898
101-898
- Current page: 46 of 169
- Download datasheet (2Mb)
PARAMETERS
RETURN VALUE
RabbitCore RCM3700 User’s Manual
unsigned int anaInDriver(unsigned int cmd,
Reads the voltage of an analog input channel by serial-clocking an 8-bit command to the ADS7870 A/D
converter by the Direct Mode method. This function assumes that Mode1 (most significant byte first) and
the A/D converter oscillator have been enabled. See anaInConfig() for the setup.
The conversion begins immediately after the last data bit has been transferred. An exception error will
occur if Direct Mode bit D7 is not set.
cmd contains a gain code and a channel code as follows.
Use the following calculation and the tables below to determine cmd:
len, the output bit length, is always 12 for 11-bit conversions
Channel Code
unsigned int len);
D7—1; D6–D4—Gain Code; D3–D0—Channel Code
cmd = 0x80 | (gain_code*16) + channel_code
* Negative input is ground.
† Not accessible on RCM3700 Prototyping Board
7*
3
0
1
2
4
5
6
†
Differential Input
+AIN0 -AIN1
+AIN2 -AIN3
+AIN4 -AIN5
+AIN6 -AIN7
-AIN0 +AIN1
-AIN2 +AIN3
-AIN4 +AIN5
-AIN6 +AIN7
Lines
Gain Code
0
1
2
3
4
5
6
7
Channel Code
10
11
12
13
14
15
Multiplier
8
9
x10
x16
x20
x1
x2
x4
x5
x8
Single-Ended
Input Lines
AIN0
AIN1
AIN2
AIN3
AIN4
AIN5
AIN6
AIN7
*
4–20 mA
AIN0*
AIN1*
AIN2*
AIN7*
Lines
AIN3
AIN4
AIN5
AIN6
44
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