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TDA8035HN 데이터시트(PDF) 5 Page - NXP Semiconductors |
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5 / 32 page TDA8035HN All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved. Product data sheet Rev. 1.0 — 19 April 2011 5 of 32 NXP Semiconductors TDA8035HN Smart card interface 7. Pinning information 7.1 Pinning 7.2 Pin description Fig 2. Pin configuration HVQFN32 I/OUC CLK PORADJ RST CMDVCCN VCC VDD(INTF) VUP CLKDIV1 SAP CLKDIV2 SBP EN_5V/3VN VDDP EN_1.8VN SBM TDA8035 001aan746 Transparent top view terminal 1 index area 8 17 7 18 6 19 5 20 4 21 3 22 2 23 1 24 Table 3. Pin description Symbol Pin Supply Type Description I/OUC 1 VDD(INTF) I/O host data I/O line (internal 10k pullup resistor to VDD(INTF) ) PORADJ 2 VDD(INTF) I Input for VDD(INTF) supervisor. PORADJ threshold can be changed with an external R bridge CMDVCCN 3 VDD(INTF) I start activation sequence input from the host (active LOW) VDD(INTF) 4VDD(INTF) supply interface supply voltage CLKDIV1 5 VDD(INTF) I control with CLKDIV2 for choosing CLK frequency see Table 4 CLKDIV2 6 VDD(INTF) I control with CLKDIV1 for choosing CLK frequency see Table 4 EN_5V/3VN 7 VDD(INTF) I control signal for selecting Vcc = 5 V (HIGH) or Vcc = 3 V (LOW) if EN_1.8 VN = High EN_1.8 VN 8 VDD(INTF) I control signal for selecting Vcc = 1.8V (low) RSTIN 9 VDD(INTF) I card reset input from the host (active HIGH) OFFN 10 VDD(INTF) O NMOS interrupt to the host (active LOW) with 10k internal pull up resistor to VDD(INTF) (See fault detection) GND 11 - supply ground XTAL1 12 VDD(INTF) I crystal connection XTAL2 13 VDD(INTF) O crystal connection VREG 14 VDDP supply Internal supply voltage SAM 15 VDDP I/O DC/DC converter capacitor ; connected between SAM and SAP; C = 330nF with ESR < 100m Ω GNDP 16 - supply DC/DC converter power supply ground |
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