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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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CLRC63201T/0FE Arkusz danych(PDF) 98 Page - NXP Semiconductors |
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CLRC63201T/0FE Arkusz danych(HTML) 98 Page - NXP Semiconductors |
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98 / 163 page  Philips Semiconductors Product Specification Rev. 3.0; May 2003 Multiple Protocol Contactless Reader IC CL RC632 98 Confidential 13 TRANSMITTER PINS TX1 AND TX2 The signal delivered on TX1 and TX2 is the 13.56 MHz energy carrier modulated by an envelope signal. It can be used to drive an antenna directly, using a few passive components for matching and filtering (see chapter 20). For that, the output circuitry is designed with a very low impedance source resistance. The signal of TX1 and TX2 can be controlled via the TxControl Register. 13.1 Configuration of TX1 and TX2 The configuration possibilities of TX1 are described in the table below: Register Configuration in TxControl TX1RFEn FORCE100ASK Envelope Signal on TX1 0 X X LOW (GND) 0 13.56 MHz carrier frequency modulated 1 0 1 13.56 MHz carrier frequency 0 LOW 1 1 1 13.56 MHz energy carrier Table 13-1: Configurations of Pin TX1 The configuration possibilities of TX2 are described in the table below: Register Configuration in TxControl TX2RFEn FORCE100 ASK TX2CW InvTX2 Envelope Signal on TX2 0 X X X X LOW 0 13.56 MHz carrier frequency modulated 0 1 13.56 MHz carrier frequency 0 13.56 MHz carrier frequency modulated, 180° phase shift relative to TX1 0 1 1 13.56 MHz carrier frequency, 180° phase shift relative to TX1 0 X 13.56 MHz carrier frequency 0 1 1 X 13.56 MHz carrier frequency, 180° phase shift relative to TX1 0 LOW 0 1 13.56 MHz carrier frequency 0 HIGH 0 1 1 13.56 MHz carrier frequency, 180° phase shift relative to TX1 0 X 13.56 MHz carrier frequency 1 1 1 1 X 13.56 MHz carrier frequency, 180° phase shift relative to TX1 Table 13-2: Configurations of Pin TX2 |
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