73S1209F-68IMR/F Maxim Integrated Products, 73S1209F-68IMR/F Datasheet - Page 61
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73S1209F-68IMR/F
Manufacturer Part Number
73S1209F-68IMR/F
Description
IC SMART CARD READER 68-QFN
Manufacturer
Maxim Integrated Products
Datasheet
1.73S1209F-44IMF.pdf
(93 pages)
Specifications of 73S1209F-68IMR/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
Details
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