NXP Semiconductors
TDA8023
Low power IC card interface
optional
external
resistor
bridge
100 nF
R2
PORADJ 20
VDD
22
LX
10 μF
VDDP
26
6.8 μH
SBP
27
SBM
25
SAM
23
R1
CDEL 21
SUPPLY
CCDEL
SUPERVISOR
GND 10
DC-TO-DC CONVERTER
SAP
28
24 GNDP
1 VUP
100 nF
4.7 μF
4
VDDI
3
SDWN
5
SDA
SCL 6
9
CLKIN
11
I/OUC
2
INT
SPRES 8
7
SAD0
I2C-BUS
INTERFACE
TDA8023
SEQUENCER
CLOCK
COUNTER
CARD
DRIVERS
17
VCC
100 nF
18 RST
16
CLK
14
I/O
13 C4
12
C8
19
PRES
15
GNDC
Fig 2. Block diagram with inductive DC-to-DC converter
001aag337
7. Pinning information
7.1 Pinning
VUP 1
INT 2
SDWN 3
VDDI 4
SDA 5
SCL 6
SAD0 7
SPRES 8
CLKIN 9
GND 10
I/OUC 11
C8 12
C4 13
I/O 14
TDA8023TT
28 SAP
27 SBP
26 VDDP
25 SBM
24 GNDP
23 SAM
22 VDD
21 CDEL
20 PORADJ
19 PRES
18 RST
17 VCC
16 CLK
15 GNDC
001aag338
Fig 3. Pin configuration TDA8023TT
TDA8023
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2.0 — 24 June 2016
© NXP Semiconductors N.V. 2016. All rights reserved.
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