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| TCA5013 Datasheet, PDF (15/68 Pages) Texas Instruments – Feature Rich Smartcard Interface IC | |||
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www.ti.com
8.2 Functional Block Diagram
VDD
LX
VUP
LDOCAP
GNDP
GNDP
IOMC 1
CLKIN 1
LDO
VDDI
IOMC 2
Voltage
supervisor
CLKIN 2
SCL
SDA
INT
SHDN
A0
2
IC
interface
Boost
User card IO
multiplexer
User card
clock divider
and multiplexer
Oscillator
SAM card
IO multiplexer
SAM clock
divider and
multiplexer
Digital core
and register map
GNDP
GPIO1 GPIO2 GPIO3 GPIO4
TST1 TST2 TST3
TST4
TCA5013
SCPS253B â JANUARY 2014 â REVISED JANUARY 2016
User Card Interface
Module
Card VCC LDO
IO level translator
CLK level translator
RST level translator
C4 & C8 buffers
PRES detection logic
SAM 1 Interface Module
Card VCC LDO
IO level translator
CLK level translator
RST level translator
SAM 2 Interface Module
Card VCC LDO
IO level translator
CLK level translator
RST level translator
SAM 3 Interface Module
Card VCC LDO
IO level translator
CLK level translator
RST level translator
VCCUC
IOUC
CLKUC
RSTUC
C4
C8
PRES
GNDUC
VCCS 1
IOS1
CLKS 1
RSTS1
GNDS
VCCS 2
IOS2
CLKS 2
RSTS2
GNDS
VCCS 3
IOS3
CLKS 3
RSTS3
GNDS
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