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H8/3028F Datasheet(PDF) 546 Page - Renesas Technology Corp |
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H8/3028F Datasheet(HTML) 546 Page - Renesas Technology Corp |
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546 / 923 page  Rev. 2.00, 09/03, page 516 of 890 14.2 Register Descriptions This section describes the new or modified registers and bit functions in the smart card interface. 14.2.1 Smart Card Mode Register (SCMR) SCMR is an 8-bit readable/writable register that selects smart card interface functions. 7 — 1 — 6 — 1 — 5 — 1 — 4 — 1 — 3 SDIR 0 R/W 0 SMIF 0 R/W 2 SINV 0 R/W 1 — 1 — Bit Initial value Read/Write Reserved bits Reserved bit Smart card interface mode select Enables or disables the smart card interface function Smart card data invert Inverts data logic levels Smart card data transfer direction Selects the serial/parallel conversion format SCMR is initialized to H'F2 by a reset and in standby mode. Bits 7 to 4—Reserved: Read-only bits, always read as 1. Bit 3—Smart Card Data Transfer Direction (SDIR): Selects the serial/parallel conversion format.*1 Bit 3 SDIR Description 0 TDR contents are transmitted LSB-first (Initial value) Receive data is stored LSB-first in RDR 1 TDR contents are transmitted MSB-first Receive data is stored MSB-first in RDR |
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