Philips TDA8001

1996 Dec 12 5

Philips Semiconductors Product speciﬁcation

Smart card interface TDA8001

PINNING

SYMBOL

DESCRIPTION

TDA8001

TDA8001T TDA8001A

TDA8001AT

XTAL 1 1 crystal connection

DETECT 2 2 card extraction open collector output (active LOW)

I/O 3 3 data line to/from the card

RST 4 4 card reset output

CLK 5 5 clock output to the card

VPP12.5 6 −control input for applying the 12.5 V programming voltage (active LOW)

n.c. −6 not connected

VPP15 7 −control input for applying the 15 V programming voltage (active LOW)

n.c. −7 not connected

PRES 8 8 card presence contact input (active LOW)

PRES 9 9 card presence contact input (active HIGH)

VPP 10 −card programming voltage output

n.c. −10 not connected

VH11 11 HIGH voltage supply for VPP generation

GND1 12 12 ground1

VDD 13 13 positive supply voltage

VCC 14 14 card supply output voltage

VSUP 15 15 voltage supervisor input

DELAY 16 16 external capacitor connection for delayed reset timing

ALARM 17 17 open-collector reset output for the microcontroller (active HIGH)

ALARM 18 18 open-collector reset output for the microcontroller (active LOW)

OFF 19 19 open-collector interrupt output to the microcontroller (active LOW)

CMDVCC 20 20 control input for applying supply voltage to the card (active LOW)

VPP21 21 −control input for applying the 21 V programming voltage (active LOW)

n.c. −21 not connected

CVNC 22 22 internally generated 5V reference, present when VDD is on; to be

decoupled externally (100 nF)

CMD3.5

or CDMTC 23 23 control input for having the crystal frequency divided-by-4 at pinCLK

CLKOUT2 24 24 clock output to the microcontroller, or any other R4590

(crystal frequency divided by two)

GND2 25 25 ground2

RSTIN 26 26 card reset input from the microcontroller (active HIGH)

CMD7

or CDMS 27 27 control input for having the crystal frequency divided by 2 at pinCLK

I/O(µC) 28 28 data line to/from the microcontroller