TDA8004AT Datasheet PDF - NXP Semiconductors
Part Number | TDA8004AT | |
Description | IC card interface | |
Manufacturers | NXP Semiconductors | |
Logo | ||
There is a preview and TDA8004AT download ( pdf file ) link at the bottom of this page. Total 24 Pages |
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DATA SHEET
TDA8004AT
IC card interface
Preliminary specification
File under Integrated Circuits, IC02
2000 Feb 29
|
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Philips Semiconductors
IC card interface
Preliminary specification
TDA8004AT
PINNING
SYMBOL PIN I/O
DESCRIPTION
CLKDIV1 1
I control with CLKDIV2 for choosing CLK frequency
CLKDIV2 2
I control with CLKDIV1 for choosing CLK frequency
5V/3V
PGND
3 I control signal for selecting VCC = 5 V (HIGH) or VCC = 3 V (LOW)
4 supply power ground for step-up converter
S2 5 I/O capacitance connection for step-up converter (a 100 nF capacitor with ESR < 100 mΩ
must be connected between pins S1 and S2)
VDDP
S1
VUP
6 supply power supply voltage for step-up converter
7 I/O capacitance connection for step-up converter (a 100 nF capacitor with ESR < 100 mΩ
must be connected between pins S1 and S2)
8 O output of step-up converter (a 100 nF capacitor with ESR < 100 mΩ must be connected
to PGND)
PRES
9 I card presence contact input (active LOW); if PRES or PRES is true, then the card is
considered as present
PRES
I/O
AUX2
AUX1
CGND
10 I card presence contact input (active HIGH); if PRES or PRES is true, then the card is
considered as present
11 I/O data line to and from card (C7) (internal 10 kΩ pull-up resistor connected to VCC)
12 I/O auxiliary line to and from card (C8) (internal 10 kΩ pull-up resistor connected to VCC)
13 I/O auxiliary line to and from card (C4) (internal 10 kΩ pull-up resistor connected to VCC)
14 supply ground for card signals
CLK 15 O clock to card (C3)
RST
VCC
n.c.
16 O card reset (C2)
17 O supply for card (C1); decouple to CGND with 2 × 100 nF or 1 × 100nF and 1 × 220 nF
capacitors with ESR < 100 mΩ (with 220 nF, the noise margin on VCC will be higher)
18 − not connected
CMDVCC 19
I start activation sequence input from microcontroller (active LOW)
RSTIN
20 I card reset input from microcontroller (active HIGH)
VDD
GND
21 supply supply voltage
22 supply ground
OFF
XTAL1
23 O NMOS interrupt to microcontroller (active LOW) with 20 kΩ internal pull-up resistor
connected to VDD (refer section “Fault detection”)
24 I crystal connection or input for external clock
XTAL2
25 O crystal connection (leave open circuit if an external clock source is used)
I/OUC
26 I/O microcontroller data I/O line (internal 10 kΩ pull-up resistor connected to VDD)
AUX1UC 27 I/O auxiliary line to and from microcontroller (internal 10 kΩ pull-up resistor connected to
VDD)
AUX2UC 28 I/O auxiliary line to and from microcontroller (internal 10 kΩ pull-up resistor connected to
VDD)
2000 Feb 29
5
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for TDA8004AT electronic component. |
Information | Total 24 Pages | |
Link URL | [ Copy URL to Clipboard ] | |
Download | [ TDA8004AT.PDF Datasheet ] |
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