TCA5013 Datasheet, PDF (47/68 Pages) Texas Instruments – Feature Rich Smartcard Interface IC

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TCA5013
SCPS253B – JANUARY 2014 – REVISED JANUARY 2016
REGISTER
ADDRESS
DESCRIPTION
FIELD NAME
BIT
0x10
SAM1 Interface Status
0x10
1: Card interface is active (V_CC is ramped and stable)
0: Card interface is inactive
ACTIVE_SAM1
7
1: Indicates card ATR was received before the ATR valid
0x10
window. INT_SAM1 bit is set in interrupt register.
EARLY_SAM1
6
Bit is cleared when the register is read
1: Indicates card ATR was not received within the ATR valid
0x10
window. INT_SAM1 bit is set in interrupt register. Bit is cleared MUTE_SAM1
5
when the register is read.
1: Indicates over current condition on the card interface.
0x10
INT_SAM1 bit is set in interrupt register. Bit clears when the PROT_UC_SAM1
4
register is read
1: Indicates the card interface is in internal CLK mode i.e
0x10
frequency on CLK pin is ~1.2 Mhz
CLKSW_SAM1
3
0: Indicates the card interface is not in internal clock mode.
0x10
1: Indicates that an over temperature fault condition exists
0: Over temperature fault doesn’t exist
STAT_OTP
2
0x10
1: Indicates a supervisor fault condition exists.
0: Supervisor fault condition doesn’t exist.
STAT_SUPL
1
0x10
1: Indicates V_CC ramp fault on card interface.
INT_SAM1 bit is set in interrupt register.
Bit is cleared when register is read
VCC_FAIL_SAM1
0
0x11
SAM1 Interface Settings
0x11
0x11
00 : Set V_CC to 1.8 V
01 : Set V_CC to 1.8 V
10 : Set V_CC to 3 V
11 : Set V_CC to 5 V
1: IOMC2 is connected to IOS1
0: IOMC2 is disconnected from IOS1
SET_VCC_SAM1
[7:6]
IO_EN_SAM1
5
0x11
1: Warm reset sequence is started on SAM1
Bit is clears when warm reset sequence starts.
WARM_SAM1
3
0x11
1: Starts activation sequence
0: Starts deactivation sequence
Bit clears when automatic deactivation occurs
START_ASYNC_SAM1
0
R/W DEFAULT
R
1'b0
R
1'b0
R
1'b0
R
1'b0
R
1'b0
R
1'b0
R
1'b0
R
1’b0
R/W
2'b01
R/W
1'b0
R/W
1'b0
R/W
1'b0
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