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TDA8025 Datenblatt(PDF) 5 Page - NXP Semiconductors |
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TDA8025 Datenblatt(HTML) 5 Page - NXP Semiconductors |
5 / 38 page TDA8025_1 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 01 — 6 April 2009 5 of 38 NXP Semiconductors TDA8025 IC card interface 7. Pinning information 7.1 Pinning 7.2 Pin description Fig 2. Pin configuration (HVQFN32) 001aai958 TDA8025 Transparent top view RST VCC_SEL1 VCC_SEL2 VCC CLKDIV1 VDD(INTREGD) CLKDIV2 GND VDD(INTF) VDDI(REG) TEST2 RSTIN TEST1 OFFN CMDVCCN TEST3 8 17 7 18 6 19 5 20 4 21 3 22 2 23 1 24 terminal 1 index area Table 3. Pin description Symbol Pin Type[1] Description CMDVCCN 1 I microcontroller start activation sequence input; active LOW TEST1 2 I test pin; connect to GND TEST2 3 I test pin; connect to GND VDD(INTF) 4 P interface supply voltage CLKDIV2 5 I sets the clock frequency; used together with pin CLKDIV1; see Table 4 on page 12 CLKDIV1 6 I sets the clock frequency; used together pin CLKDIV2; see Table 4 on page 12 VCC_SEL1 7 I optional 1.2 V selection control signal: active HIGH: VCC = 1.2 V active LOW: disables 1.2 V selection VCC_SEL2 8 I 3 V or 1.8 V selection control signal: active LOW: VCC =3V active HIGH: VCC = 1.8 V when pin VCC_SEL1 is active LOW PRESN 9 I card presence contact input; active LOW[2] PRES 10 I card presence contact input; active HIGH[2] I/O 11 I/O card input/output data line (C7)[3] AUX2 12 I/O card auxiliary 2 input/output data line (C8)[3] AUX1 13 I/O card auxiliary 1 input/output data line (C4)[3] |
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