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| TDA8025 Datasheet, PDF (32/38 Pages) NXP Semiconductors – IC card interface | |||
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NXP Semiconductors
TDA8025
IC card interface
VDD(INTF)
MICROCONTROLLER
VDD(INTF)
VDD(INTF)
R1
R2
VDD(INTF)
32 31 30 29 28 27 26 25
CMDVCCN 1
TEST1
2
24 TEST3
OFFN
23
VDDI(REG)
C5
100 nF
TEST2
3
VDD(INTF)
4
CLKDIV2
5
CLKDIV1
6
TDA8025
RSTIN
22
VDDI(REG)
21
GND
20
VDD(INTREGD)
19
C3
10 µF
C3
VCC_SEL1
7
18 VCC
10 µF
VCC_SEL2 8
17 RST
C4
9 10 11 12 13 14 15 16
C1
470 nF
100 nF
CARD
CONNECTOR
C5
C1
C6
C2
C7
C3
C8
C4
K2
K1
C2
220 nF
VDDI(REG)
RD â¦
001aaj350
Refer to Table 8 on page 23 and Section 8.1 âPower suppliesâ on page 7 for detailed information on
the VDD(INTF) restrictions.
Fig 18. Application diagram (3.6 V < VDDI(REG) < 5.5 V)
TDA8025_1
Product data sheet
Rev. 01 â 6 April 2009
© NXP B.V. 2009. All rights reserved.
32 of 38
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