Datasheet

TDA8025_1 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 01 — 6 April 2009 31 of 38
NXP Semiconductors
TDA8025
IC card interface
12. Application information
Refer to Table 8 on page 23 and Section 8.1 “Power supplies” on page 7 for detailed information on
the V
DD(INTF)
restrictions.
Fig 17. Application diagram (3 V < V
DDI(REG)
< 3.6 V)
001aai974
RD Ω
10 µF
C1
470 nF
C5
100 nF
C2
220 nF
1
32 31 30 29 28 27 26 25
9 10111213141516
CMDVCCN
MICROCONTROLLER
TDA8025
2
TEST1
3
TEST2
4
V
DD(INTF)
V
DD(INTF)
V
DD(INTF)
V
DD(INTF)
V
DD(INTF)
5
CLKDIV2
6
CLKDIV1
CARD
CONNECTOR
7
VCC_SEL1
8
24
23
22
21
20
19
18
17
VCC_SEL2
TEST3
OFFN
RSTIN
V
DDI(REG)
V
DDI(REG)
V
DDI(REG)
GND
V
DD(INTREGD)
V
DD(INTREGD)
V
CC
C1C5
C2C6
C3C7
C4C8
K1K2
RST
TEST4 AUX2UC AUX1UC I/OUC XTAL1 XTAL2 ENCLKIN PORADJ
PRESN
PRES
I/O
AUX2 AUX1
CGND
CLK
CONFIG
R1
R2
C3
100 nF
C4