73S1215F Maxim, 73S1215F Datasheet - Page 101
73S1215F
Manufacturer Part Number
73S1215F
Description
The Teridian 73S1215F is a self-contained SoC smart card reader IC that is an ideal solution for any USB-connected ISO 7816 design
Manufacturer
Maxim
Datasheet
1.73S1215F.pdf
(136 pages)
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DS_1215F_003
Parity Control Register (SParCtl): 0xFE11
This register provides the ability to configure the parity circuitry on the smart card interface. The settings
apply to both integrated smart card interfaces.
Rev. 1.4
SParCtl.7
SParCtl.6
SParCtl.5
SParCtl.4
SParCtl.3
SParCtl.2
SParCtl.1
SParCtl.0
Bit
MSB
–
BRKGEN
RETRAN
FORCPE
BRKDET
DISPAR
DISCRX
Symbol
INSPE
DISPAR BRKGEN BRKDET RETRAN DISCRX
–
Disable Parity Check – 1 = disabled, 0 = enabled. If enabled, the UART
will check for even parity (the number of 1’s including the parity bit is even)
on every character. This also applies to the TS during ATR.
Break Generation Disable – 1 = disabled, 0 = enabled. If enabled, and T=0
protocol, the UART will generate a Break to the smart card if a parity error
is detected on a receive character. No Break will be generated if parity
checking is disabled. This also applies to TS during ATR.
Break Detection Disable – 1 = disabled, 0 = enabled. If enabled, and T=0
protocol, the UART will detect the generation of a Break by the smart card.
Retransmit Byte – 1 = enabled, 0 = disabled. If enabled and a Break is
detected from the smart card (Break Detection must be enabled), the last
character will be transmitted again. This bit applies to T=0 protocol.
Discard Received Byte – 1 = enabled, 0 = disabled. If enabled and a parity
error is detected (Parity checking must be enabled), the last character
received will be discarded. This bit applies to T=0 protocol.
Insert Parity Error – 1 = enabled, 0 = disabled. Used for test purposes. If
enabled, the UART will insert a parity error in every character transmitted
by generating odd parity instead of even parity for the character.
Force Parity Error – 1 = enabled, 0 = disabled. Used for test purposes. If
enabled, the UART will generate a parity error on a character received from
the smart card.
Table 96: The SParCtl Register
0x00
Function
INSPE
73S1215F Data Sheet
FORCPE
LSB
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