SEC1210 datasheet(77/218 Pages) MICROCHIP

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DS00001561C-page 77

SEC1110/SEC1210

PER_SIG_MODE

R/W

In SEC1110/SEC1210, always read as 0.

In SEC1110/SEC1210 this bit indicates the assertion time of parity

error.

0 : Parity error is signaled for one ETU, as measured by internal block

sc_clk. The actual width of parity error depends on rise/fall delays of

SCx_IO line. (default)

1 : Parity error is signaled for 1.25 ETU, as measured by internal

block sc_clk. This setting ensures, that the parity error assertion width

is independent of rise/fall time on SCx_IO line.

TMO_CONFIG

R/W

This bit defines the unit resolution of Timeout Timer.

0 : Timeout Timer Unit Resolution is in 1.25 milliseconds.

1 : Timeout Timer Unit Resolution is one ETU.

APDE

R/W

Automatic Parity-Error Deactivate Enable:

1 : Causes the ICC to be deactivated by hardware upon a non-

recoverable parity error. The device must also be in T=0 Mode for this

to occur. If the CRE bit is also 0, this will occur without performing

character repetition or signalling to the ICC.

CRE

R/W

Character Repeat Enable:

1 : Enables character repeat in T=0 Mode if a Parity Error is signalled

by the ICC.

TABLE 10-18: SMART CARD INTERFACE MONITOR REGISTER

SC_INTF_MON

(0X0004- RESET=0B00X10XX0)

SMART CARD INTERFACE MONITOR REGISTER

BIT

NAME

R/W

DESCRIPTION

FFULL

R/W

FIFO Full: indicates that the FIFO is completely full with data to be

transmitted.

Reserved

Always read as 0

PSNT

R/W

This pin reflects the state of the SCx_PRSNT_N pin.

CRMV

R/W

Card Removed:

This bit is set to 1 when a card is being removed. It is a read-only 1,

and cannot be cleared by software, as long as the debounced version

of the SCx_PRSNT_N signal is high.

When SCx_PRSNT_N goes low, this bit can be cleared by writing a 1

to it. While this bit is 1, the SC_ICR Register is held to its default

state, which holds the signals SCx_IO, SCx_CLK and SCx_RST_N

low.

FTH

R/W

1 : Indicates the presence of a FIFO Threshold Interrupt request.

RST_N

R/W

Indicates the current state of the SCx_RST_N pin.

R/W

Indicates the current state of the SCx_IO pin.

CRPT

R/W

Indicates, in T=0 Mode, whether any characters needed to be

repeated to the ICC. This bit may be cleared by writing a 1 to it. This

is an indicator only.

TABLE 10-17: SMART CARD LINE CONTROL REGISTER (CONTINUED)

SC_LCR

(0X0003- RESET=0X00)

SMART CARD LINE CONTROL REGISTER

BIT

NAME

R/W

DESCRIPTION

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