Z-World Fox LP3500, User Manual

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52 Fox (LP3500)
4.5.5 A/D Converter Inputs
The functions in this section apply only to the LP3500 model.
Use this function to configure the ADS7870 A/D converter. This function will address the ADS7870 in
Register Mode only, and will report an error if you try to use it in Direct Mode. Refer to ADS7870 spec-
ification for proper addressing and commands.
unsigned int anaInConfig(unsigned int
instructionbyte, unsigned int cmd, long baud);
ADS7870 Signal ADS7870 State LP3500 Function/State
LN0 Input AIN0
LN1 Input AIN1
LN2 Input AIN2
LN3 Input AIN3
LN4 Input AIN4
LN5 Input AIN5
LN6 Input AIN6
LN7 Input AIN7
/RESET Input Board reset device
RISE/FALL Input Tied up for SCLK active on rising edge
PIO_0 Input Pulled down unless driven by serial interface connection
PIO_1 Input Pulled down unless driven by serial interface connection
PIO_2 Input Pulled down unless driven by serial interface connection
PIO_3 Input Pulled up unless driven by Vcc monitor
CONVERT Input Pulled down, not used
BUSY Output PF1 pulled down; 1 state converter is busy
CCLKCNTRL Input Tied down; 0 state sets CCLK as input
CCLK Input Tied down; external conversion clock
SCLK Input PF0; serial data transfer clock
SDI Input PC0; 3-wire mode for serial data input
SDO Output PC1; serial data output /CS driven
/CS Input PF3 pulled up; active-low enables serial interface
BUFIN Input Tied down; reference buffer amplifier