TCA5013 Datasheet, PDF (50/68 Pages) Texas Instruments – Feature Rich Smartcard Interface IC

TCA5013
SCPS253B – JANUARY 2014 – REVISED JANUARY 2016
REGISTER
ADDRESS
0x22
0x22
0x22
0x22
0x22
0x23
0x23
0x24
0x24
0x25
0x25
0x26
0x26
DESCRIPTION
SAM2 Clock Settings
1 : Card CLK is set to ~1.2MHz
0 : CLKS2 is set by Bit[6] or Bit [5] or Bit[4:2]
1 : Card CLK is set to 0
0 : CLKS2 is set by Bit[5] or Bit[4:2]
1 : Card CLK is set to 1
0 : CLKS2 is set by Bit[4:2]
000 : CLKS2 frequency = CLKIN2
001 : CLKS2 frequency = CLKIN2/2
010 : CLKS2 frequency = CLKIN2/4
011 : CLKS2 frequency = CLKIN2/5
100: CLKS2 frequency = CLKIN2/8
101: CLKS2 frequency = CLKIN2/8
110: CLKS2 frequency = CLKIN2/8
111: CLKS2 frequency = CLKIN2/8
Asynchronous Mode ATR EARLY Counter MSB for
SAM2
MSB (8-bits) of programmable 10-bit clock counter
value.
Asynchronous Mode ATR EARLY Counter LSB for
SAM2
LSB (2-bits) of programmable 10-bit clock counter
value.
Asynchronous Mode ATR MUTE Counter MSB for
SAM2
MSB (8-bits) of programmable 16-bit clock counter
value.
Asynchronous Mode ATR MUTE Counter LSB for
SAM2
MSB (8-bits) of programmable 16-bit clock counter
value.
FIELD NAME
INTERN_CLK_SAM2
CLK0_SAM2
CLK1_SAM2
CLK_DIV_SAM2
EARLY_COUNT_HI_SAM2
EARLY_COUNT_LO_SAM2
MUTE_COUNT_HI_SAM2
MUTE_COUNT_LO_SAM2
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BIT R/W
DEFAULT
7 R/W
1'b0
6 R/W
1'b0
5 R/W
1'b0
[4:2] R/W
3'b011
[7:0] R/W 8'b10101010
[7:6] R/W
2'b00
[7:0] R/W 8'b10100100
[7:0] R/W 8'b01110100
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