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7643 Datasheet(PDF) 36 Page - Renesas Technology Corp |
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7643 Datasheet(HTML) 36 Page - Renesas Technology Corp |
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36 / 424 page  Rev.2.00 Aug 28, 2006 page 19 of 103 7643 Group REJ09B0133-0200 OVERVIEW Fig. 14 Port block diagram (3) HOLD HLDA (11) Port P71 Data bus Direction register Port latch HOLD function enable bit HOLD function enable bit (13) Port P73 HOLD function enable bit (15) Port P80 Direction register Port latch Data bus SRDY output select bit (Serial I/O) SPI mode select bit (Serial I/O) SPI mode select bit Control for SPI compatible mode (12) Port P72 (14) Port P74 (16) Port P81 Data bus Direction register Port latch (Serial I/O) Internal synchronous clock select bits Serial I/O port select bit (Serial I/O) Internal synchronous clock select bits Serial I/O clock input Serial I/O clock output Data bus Direction register Port latch Data bus Direction register Port latch Data bus Direction register Port latch SRDY output FUNCTIONAL DESCRIPTION |
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