Datasheet

TDA8023_1 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 01 — 16 July 2007 4 of 32
NXP Semiconductors
TDA8023
Low power IC card interface
7. Pinning information
7.1 Pinning
Fig 2. Block diagram with inductive DC-to-DC converter
001aag337
100 nF
100 nF
C
CDEL
R1
R2
10 µF
6.8 µH
LX
100 nF 4.7 µF
SUPPLY
SUPERVISOR
DC-TO-DC CONVERTER
I
2
C-BUS
INTERFACE
16
CLK
18
RST
VUP
GNDP
26
V
DDP
17
1
24
V
CC
19
PRES
3
SDWN
9
CLKIN
6
SCL
7
SAD0
8
SPRES
2
INT
4
V
DDI
10GND
20PORADJ
optional
external
resistor
bridge
21CDEL
15
GNDC
12
C8
13
C4
14
I/O
11
I/OUC
5
SDA
SEQUENCER
CLOCK
COUNTER
CARD
DRIVERS
TDA8023
22
V
DD
27
SBP
25
SBM
23
SAM
28
SAP
Fig 3. Pin configuration TDA8023TT
TDA8023TT
VUP SAP
INT SBP
SDWN V
DDP
V
DDI
SBM
SDA GNDP
SCL SAM
SAD0 V
DD
SPRES CDEL
CLKIN PORADJ
GND PRES
I/OUC RST
C8 V
CC
C4 CLK
I/O GNDC
001aag338
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
18
17
20
19
22
21
24
23
26
25
28
27