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7641 Datasheet(PDF) 76 Page - Renesas Technology Corp |
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7641 Datasheet(HTML) 76 Page - Renesas Technology Corp |
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76 / 385 page  Rev.2.00 Aug 28, 2006 page 59 of 113 7641 Group REJ09B0336-0200 HARDWARE FUNCTIONAL DESCRIPTION [USB Endpoint FIFO Mode Selection Register] USBFIFOMR This register determines IN/OUT FIFO size mode for endpoint 1 or endpoint 2. This register is invalid when using endpoint 0, 3, or 4. USB endpoint FIFO mode register (address 005F16) USBFIFOMR FIFO size selection bit (Note) For endpoint 1 b3b2b1b0 X 0 0 0: IN 512-byte, OUT 800-byte X 0 0 1: IN 1024-byte, OUT 1024-byte X 0 1 0: IN 0-byte, OUT 2048-byte X 0 1 1: IN 2048-byte, OUT 0-byte X 1 0 0: IN 768-byte, OUT 1280-byte X 1 0 1: IN 880-byte, OUT 1168-byte For endpoint 2 0 X X X : IN 32-byte, OUT 32-byte 1 X X X : IN 128-byte, OUT 128-byte Reserved bit (“0” at read/write) b0 b7 000 0 Note: The value set into “x” is invalid. Fig. 53 Structure of USB endpoint FIFO mode register |
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