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TDA8023TT データシート(PDF) 5 Page - NXP Semiconductors

部品番号 TDA8023TT
部品情報  Low power IC card interface
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メーカー  NXP [NXP Semiconductors]
ホームページ  http://www.nxp.com
Logo NXP - NXP Semiconductors

TDA8023TT データシート(HTML) 5 Page - NXP Semiconductors

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TDA8023_1
© NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 01 — 16 July 2007
5 of 32
NXP Semiconductors
TDA8023
Low power IC card interface
7.2 Pin description
[1]
I = input, O = output, S = supply, C = configuration.
[2]
PRES is active-HIGH when SPRES = LOW and PRES is active-LOW when SPRES = HIGH.
[3]
With integrated pull-up to VDD(INTF).
[4]
With integrated pull-up to VCC.
Table 3.
Pin description
Symbol
Pin
Type[1]
Description
VUP
1
O
output of the DC-to-DC converter
INT
2
O
Negative-channel Metal Oxide Semiconductor (NMOS) interrupt
to the host (active LOW and open-drain) (see fault detection in
Section 8.7 “Protection”)
SDWN
3
I
shutdown and reset input
VDDI
4
S
interface positive supply voltage
SDA
5
I/O
serial data line to/from the I2C-bus master (open-drain)
SCL
6
I
serial clock line from the I2C-bus master
SAD0
7
I
I2C-bus address selection
SPRES
8
I
select PRES mode[2]
CLKIN
9
I
external clock input
GND
10
S
ground connection
I/OUC
11
I/O[3]
data in/out from/to microcontroller
C8
12
I/O[4]
auxiliary input/output to/from the card (contact C8)
C4
13
I/O[4]
auxiliary input/output to/from the card (contact C4)
I/O
14
I/O[4]
data input/output to/from (contact C7 of) the card
GNDC
15
S
ground connection for the card (contact C5)
CLK
16
O
clock output to (contact C3 of) the card
VCC
17
S
supply voltage for the card (contact C1)
RST
18
O
reset output to (contact C2 of) the card
PRES
19
I
card presence input with a 10 ms built-in debouncing system[2]
PORADJ
20
I
input for changing the power-on reset threshold with an external
resistor bridge.
In case no external resistor bridge is used, it is mandatory to
connect this pin to GND to avoid possible perturbations.
CDEL
21
C
delay capacitor connection for the voltage supervisor (1 ms per
2 nF)
VDD
22
S
power supply
SAM
23
C
connection for the DC-to-DC converter
GNDP
24
S
ground connection for the DC-to-DC converter
SBM
25
C
connection for the DC-to-DC converter
VDDP
26
S
positive supply for the DC-to-DC converter
SBP
27
C
connection for the DC-to-DC converter
SAP
28
C
connection for the DC-to-DC converter


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