Analog Inputs - Rabbit RabbitCore RCM3400 User Manual

5.2.6 Analog Inputs

unsigned int anaInConfig(unsigned int
instructionbyte, unsigned int cmd, long baud);
Use this function to configure the A/D converter. This function will address the A/D converter in
Register Mode only, and will return an error if you try the Direct Mode. Appendix B.4.3 provides
additional addressing and command information.
ADS7870 Signal ADS7870 State
LN0
LN1
LN2
LN3
LN4
LN5
LN6
LN7
/RESET
RISE/FALL
PIO0
PIO1
PIO2
PIO3
CONVERT
BUSY
CCLKCNTRL
CCLK
SCLK
SDI
SDO
/CS
BUFIN
VREF
BUFOUT
User's Manual
Input AIN0
Input AIN1
Input AIN2
Input AIN3
Input AIN4
Input AIN5
Input AIN6
Input AIN7
Input Board reset device
Input Pulled up for SCLK active on rising edge
Input Pulled down
Input Pulled down
Input Pulled down
Input Pulled down
Input Pulled down
Output PD1 pulled down; logic high state converter is busy
Input Pulled down; 0 state sets CCLK as input
Input Pulled down; external conversion clock
Input PB0; serial data transfer clock
Input PC4; 3-wire mode for serial data input
Output PC5; serial data output /CS driven
Input PD2 pulled up; active-low enables serial interface
Input Pulled down; reference buffer amplifier
Output Connected to BUFIN
Output Pulled down
RCM3400 Function/State
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