
2003 Jul 04
7
Philips Semiconductors
Product specification
USB smart card reader (OTP or ROM)
TDA8030; TDA8031
7
PINNING
7.1
TDA8030
SYMBOL
PIN
DESCRIPTION
P12
P13
P14
P15
P16
P17
RESET
RFU
RFU
DELATT
1
2
3
4
5
6
7
8
9
10
8xC51 general purpose I/O port (USB_MC_READY)
8xC51 general purpose I/O port (USB_CLK_EN_N)
8xC51 general purpose I/O port (USB_RESET_N)
8xC51 general purpose I/O port (USB_SOFTCONNECT_EXT)
8xC51 general purpose I/O port (available for the application)
8xC51 general purpose I/O port (available for the application)
reset input (active HIGH, integrated pull-down resistor to ground)
test pin; leave open-circuit in the application
test pin; leave open-circuit in the application
delayed attachment reference signal output for external pull-up resistor on pin D+ (an internal
1.5 k
pull-up resistor is already embedded on-chip)
test pin; leave open-circuit in the application
connect to GND within the application; for programming the EPROM connect to V
DD
as well
as pin TEST (pin 22); also used for test purposes
data input/output from the card (C7); 14 k
integrated pull-up resistor connected to V
CC
test pin; leave open-circuit in the application
auxiliary I/O for C8 contact; 14 k
integrated pull-up resistor connected to V
CC
card presence detection input (active HIGH; no need for external pull-up)
auxiliary I/O for C4 contact; 14 k
integrated pull-up resistor connected to V
CC
cards ground (C5) Must be connected to GND
clock output (C30)
card supply output voltage (ISO C1 contact); must be decoupled with two 100 nF low ESR
ceramic capacitors to CGND
cards reset output (C2)
test pin input
output of the DC-to-DC converter (decouple with a 1
μ
F capacitor to STGND)
DC-to-DC converter inductor connection (a Schottky diode should be tied to V
UP
)
DC-to-DC converter ground connection
soft switched positive supply voltage (decouple with 10
μ
F capacitor to GND)
positive supply voltage for the bus (4.2 to 5.5 V)
bus ground
USB D+ data line
USB D
data line
connection for an external capacitor to ground determining the Power-on reset pulse width
(typ 1 ms per 2 nF)
8xC51 general purpose I/O port/serial input port (available for the application)
8xC51 general purpose I/O port/serial output port (available for the application)
8xC51 general purpose I/O port/external interrupt 0 (used by the ISO UART))
8xC51 general purpose I/O port/external interrupt 1 (used by the USB interface)
RFU
CPROG
11
12
I/O
RFU
C8
PRES
C4
CGND
CLK
V
CC
13
14
15
16
17
18
19
20
RST
TEST
V
UP
LX
STGND
V
DD
V
DDU
UGND
D+
D
CDELAY
21
22
23
24
25
26
27
28
29
30
31
P30/RxD
P31/TxD
P32/INT0
P33/INT1
32
33
34
35