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TDA8030HL Datasheet(PDF) 10 Page - NXP Semiconductors |
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TDA8030HL Datasheet(HTML) 10 Page - NXP Semiconductors |
10 / 57 page 2003 Jul 04 10 Philips Semiconductors Product specification USB smart card reader (OTP or ROM) TDA8030; TDA8031 7.2 TDA8031 SYMBOL PIN DESCRIPTION P12 1 8xC51 general purpose I/O port (USB_MC_READY) P13 2 8xC51 general purpose I/O port (USB_CLK_EN_N) P14 3 8xC51 general purpose I/O port (USB_RESET_N) P15 4 8xC51 general purpose I/O port (USB_SOFTCONNECT_EXT) P16 5 8xC51 general purpose I/O port (available for the application) P17 6 8xC51 general purpose I/O port (available for the application) RESET 7 reset input (active HIGH, integrated pull-down resistor to ground) RFU 8 test pin; leave open-circuit in the application RFU 9 test pin; leave open-circuit in the application DELATT 10 delayed attachment reference signal output for external pull-up resistor on pin D+ (an internal 1.5 k Ω pull-up resistor is already embedded in the chip) RFU 11 test pin; leave open-circuit in the application SCANEN 12 connect to GND within the application; for programming the EPROM connect to VDD as well as pin TEST (pin 22); also used for test purposes I/O 13 data input/output from the card (C7); 14 k Ω integrated pull-up resistor connected to V CC RFU 14 test pin; leave open-circuit in the application C8 15 auxiliary I/O for C8 contact; 14 k Ω integrated pull-up resistor connected to V CC PRES 16 card presence detection input (active HIGH; no need for external pull-up) C4 17 auxiliary I/O for C4 contact; 14 k Ω integrated pull-up resistor connected to VCC CGND 18 cards ground (C5) Must be connected to GND CLK 19 clock output (C30) VCC 20 card supply output voltage (ISO C1 contact); must be decoupled with two 100 nF low ESR ceramic capacitors to CGND RST 21 cards reset output (C2) TEST 22 test pin input VUP 23 output of the DC-to-DC converter (decouple with a 1 µF capacitor to STGND) LX 24 DC-to-DC converter inductor connection (a Schottky diode should be tied to VUP) STGND 25 DC-to-DC converter ground connection VDD 26 soft switched positive supply voltage (decouple with 10 µF capacitor to GND) VDDU 27 positive supply voltage for the bus (4.2 to 5.5 V) UGND 28 bus ground D+ 29 USB D+ data line D − 30 USB D − data line CDELAY 31 connection for an external capacitor to ground determining the Power-on reset pulse width (typ 1 ms per 2 nF) P30/RxD 32 8xC51 general purpose I/O port/serial input port (available for the application) P31/TxD 33 8xC51 general purpose I/O port/serial output port (available for the application) P32/INT0 34 8xC51 general purpose I/O port/external interrupt 0 (used by the ISO UART)) P33/INT1 35 8xC51 general purpose I/O port/external interrupt 1 (used by the USB interface) P34 36 8xC51 general purpose I/O port (USB_SUSPEND in TDA8030) |
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