Datasheet

TDA8034T_TDA8034AT All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 3.1 — 13 December 2012 3 of 30
NXP Semiconductors
TDA8034T; TDA8034AT
Smart card interface
6. Block diagram
Fig 1. Block diagram
001aak989
470 nF
220 nF
100 nF
100 nF
100 nF
10 μF
SUPPLY
INTERNAL
REFERENCE
VOLTAGE
SENSE
INTERNAL
OSCILLATOR
CRYSTAL
OSCILLATOR
ALARMN
PRESN
V
DD
RSTIN
CMDVCCN
OFFN
CLKDIV1
6
I/OUC
7
4
5
15
16
V
DD(INTF)
CLKUP
EN1
V
DDP
GND
91314
123
PVCC
EN4
V
CC
RST
CLK
I/O
12
11
10
8
EN3
EN2
CLK
SEQUENCER
V
CC
LDO
XTAL1 XTAL2
RESET
GENERATOR
CLOCK
GENERATOR
CMDVCCN
DETECTION
I/O
TRANSCEIVER
LEVEL
SHIFTER
CLOCK
CIRCUITRY
THERMAL
PROTECTION
TDA8034T
TDA8034AT
TDA8034BT
C5 C1
C6 C2
C7 C3
C8 C4
CARD
CONNECTOR