Maxim Integrated 73S12xxF Software - Manual (Page 61)

UG_12xxF_016
73S12xxF Software User Guide
Rev. 1.50 61
Parameters Enable: Input parameter
Enable (1) or disable (0) interrupt 2.
Polarity : Input parameter
Configure interrupt on rising edge (1) or falling edge (0).
Return Codes None.
INT2_Read()
Purpose Read value of External Interrupt 2.
Synopsis
void INT2_Read ( Unsigned char *polarity, Unsigned char *status)
Parameters
polarity: Output parameter
Specifies the polarity of the external interrupt 2 pin, rising edge = 1, falling edge = 0.
status: Output parameter
External interrupt 2 edge flag.
Return Codes None.
INT3_Config()
Purpose Configure External Interrupt 2.
Synopsis
void INT3_Config ( Unsigned char Enable, Unsigned char Polarity );
Parameters Enable: Input parameter
Enable (1) or disable (0) interrupt 3.
Polarity: Input parameter
Configure interrupt on rising edge (1) or falling edge (0).
Return Codes None
INT3_Read()
Purpose Read value of External Interrupt 3.
Synopsis
void INT3_Read ( Unsigned char *polarity, Unsigned char *status )
Parameters
polarity: Output parameter
Specifies the polarity of the external interrupt 3 pin, rising edge = 1, falling edge = 0.
status: Output parameter
External interrupt 3 edge flag.
Return Codes None.
4.2.15 Special Function Register API – Available with all 73S12xxF Devices
The API allows read/write access to all the 73S12xxF special function registers. The API includes:
•
SFR_Read() (page 61)
•
SFR_Write() (page 62)
SFR_Read()
Purpose Read from the specified Special Function Register.