73S1209F-44IM/F Maxim Integrated Products, 73S1209F-44IM/F Datasheet - Page 61

• Manufacturer Part Number: 73S1209F-44IM/F
• Description: IC SMART CARD READER 44-QFN
• Manufacturer: Maxim Integrated Products

Specifications of 73S1209F-44IM/F

• Core Processor: 80515
• Core Size: 8-Bit
• Speed: 24MHz
• Connectivity: I²C, SmartCard, UART/USART
• Peripherals: LED, POR, WDT
• Number Of I /o: 9
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

UG_12xxF_016
INT2_Read()
INT3_Config()
INT3_Read()
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()
Rev. 1.50
Parameters
Return Codes None.
Purpose
Synopsis
Parameters
Return Codes None.
Purpose
Synopsis
Parameters
Return Codes None
Purpose
Synopsis
Parameters
Return Codes None.
SFR_Read()
SFR_Write()
Purpose
(page 61)
(page 62)
Enable: Input parameter
Enable (1) or disable (0) interrupt 2.
Polarity : Input parameter
Configure interrupt on rising edge (1) or falling edge (0).
Read value of External Interrupt 2.
void INT2_Read ( Unsigned char *polarity, Unsigned char *status)
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.
Configure External Interrupt 2.
void INT3_Config ( Unsigned char Enable, Unsigned char Polarity );
Enable: Input parameter
Enable (1) or disable (0) interrupt 3.
Polarity: Input parameter
Configure interrupt on rising edge (1) or falling edge (0).
Read value of External Interrupt 3.
void INT3_Read ( Unsigned char *polarity, Unsigned char *status )
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.
Read from the specified Special Function Register.
73S12xxF Software User Guide
61