73S1209F-44IM/F Maxim Integrated Products, 73S1209F-44IM/F Datasheet - Page 39

• 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
ICC_Clk_Restart()
ICC_Clk_Stop()
4.2.6 SERIAL (RS232) Driver API – Available with all 73S12xxF Devices
The Serial Driver API manages the RS232 interface (Serial Channel 0). It may be used to communicate
through the UART with any host that supports an RS232 interface. The API includes:
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Rev. 1.50
Return Codes
Purpose
Synopsis
Parameters
Return Codes
Purpose
Synopsis
Parameters
Return Codes ICC_OK
Serial_Init()
Serial_Tx()
Serial_CTx()
Serial_TxLen()
Serial_TxByte ()
Serial_Rx()
Serial_CRx()
Serial_RxLen()
Serial_RxByte ()
This API is part of the support for Synchronous cards.
The hardware TIMER1 is used by this routine, making it unavailable to the application. This
approach helps support lower power consumption.
The hardware TIMER1 is used by this routine, making it unavailable to the application. This
approach helps support lower power consumption.
(page 40)
(page 41)
(page 40)
(page 41)
(page 42)
(page 41)
(page 42)
ICC_OK
ICC_ERR_PRESENT_INACTIVE
ICC_ERR_NO_CARD
Restarts an ICC’s clock.
ICC_Clk_Restart ( IN int nIccDelayIO );
nIccDelayIO: Input parameter
Delay in clock cycles after restart of the clock before allowing I/O.
ICC_OK Successful operation. IccLen bytes have been received from the SmartCard.
ICC_ERR_PRESENT_INACTIVE
ICC_ERR_REMOVED
Stops an ICC’s clock.
ICC_RC ICC_Clk_Stop ( IN Boolean bIccClkStop, IN int nIccDelayStop );
bIccClkStop: Input parameter
Specifies whether to stop the IccClk when HIGH (TRUE) or when LOW (FALSE).
nIccDelayStop: Input parameter
Delay in clock cycles before stopping clock.
ICC_ERR_PRESENT
ICC_ERR_REMOVED
(page 41 )
(page 42)
Successful operation.
The SmartCard is present but inactive.
The SmartCard is removed
The SmartCard is present and active.
The SmartCard is present but inactive.
The SmartCard is not present.
The SmartCard is present but inactive.
The SmartCard is removed.
73S12xxF Software User Guide
39