TDA8020HL Datasheet, PDF (4/24 Pages) NXP Semiconductors – Dual smart card interface

Philips Semiconductors
Dual smart card interface
Product specification
TDA8020HL
BLOCK DIAGRAM
handbook, full pagewidth
VDD
20
CDEL
30
SUPPLY SUPERVISOR
VOLTAGE REFERENCE
SAP
14
SAM SBP
19
15
DC / DC
CONVERTER
SBM
17
16
13
VDDA
VUP
TDA8020HL
INTERNAL
OSCILLATOR
23
SAD0
24
SAD1
21
SCL
22
SDA
25
IRQ
I²C-BUS
AND
REGISTERS
29
CLKIN2
26
CLKIN1
27
I/O1uC
28
I/O2uC
VDDI
31
LEVEL
SHIFTERS
18
AGND
CLOCK
CIRCUITRY
SEQUENCER1
3
5
4
CARD1
DRIVERS 2
32
1
CLK1
RST1
VCC1
CGND1
I / O1
PRES1
CLOCK
CIRCUITRY
SEQUENCER2
9
11
10
CARD2
DRIVERS ⁸
6
7
CLK2
RST2
VCC2
CGND2
I / O2
PRES2
12
GND
FCE834
Fig.1 Block diagram.
2001 Aug 15
4