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TDA8023TT データシート(PDF) 5 Page - NXP Semiconductors |
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TDA8023TT データシート(HTML) 5 Page - NXP Semiconductors |
5 / 32 page TDA8023_1 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 01 — 16 July 2007 5 of 32 NXP Semiconductors TDA8023 Low power IC card interface 7.2 Pin description [1] I = input, O = output, S = supply, C = configuration. [2] PRES is active-HIGH when SPRES = LOW and PRES is active-LOW when SPRES = HIGH. [3] With integrated pull-up to VDD(INTF). [4] With integrated pull-up to VCC. Table 3. Pin description Symbol Pin Type[1] Description VUP 1 O output of the DC-to-DC converter INT 2 O Negative-channel Metal Oxide Semiconductor (NMOS) interrupt to the host (active LOW and open-drain) (see fault detection in Section 8.7 “Protection”) SDWN 3 I shutdown and reset input VDDI 4 S interface positive supply voltage SDA 5 I/O serial data line to/from the I2C-bus master (open-drain) SCL 6 I serial clock line from the I2C-bus master SAD0 7 I I2C-bus address selection SPRES 8 I select PRES mode[2] CLKIN 9 I external clock input GND 10 S ground connection I/OUC 11 I/O[3] data in/out from/to microcontroller C8 12 I/O[4] auxiliary input/output to/from the card (contact C8) C4 13 I/O[4] auxiliary input/output to/from the card (contact C4) I/O 14 I/O[4] data input/output to/from (contact C7 of) the card GNDC 15 S ground connection for the card (contact C5) CLK 16 O clock output to (contact C3 of) the card VCC 17 S supply voltage for the card (contact C1) RST 18 O reset output to (contact C2 of) the card PRES 19 I card presence input with a 10 ms built-in debouncing system[2] PORADJ 20 I input for changing the power-on reset threshold with an external resistor bridge. In case no external resistor bridge is used, it is mandatory to connect this pin to GND to avoid possible perturbations. CDEL 21 C delay capacitor connection for the voltage supervisor (1 ms per 2 nF) VDD 22 S power supply SAM 23 C connection for the DC-to-DC converter GNDP 24 S ground connection for the DC-to-DC converter SBM 25 C connection for the DC-to-DC converter VDDP 26 S positive supply for the DC-to-DC converter SBP 27 C connection for the DC-to-DC converter SAP 28 C connection for the DC-to-DC converter |
同様の部品番号 - TDA8023TT |
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同様の説明 - TDA8023TT |
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