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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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HC705JB2GRS/H 数据表(PDF) 98 Page - NXP Semiconductors |
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HC705JB2GRS/H 数据表(HTML) 98 Page - NXP Semiconductors |
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98 / 128 page  GENERAL RELEASE SPECIFICATION August 28, 1998 UNIVERSAL SERIAL BUS MODULE MC68HC705JB2 10-30 REV 1.1 Figure 10-30. SETUP Token Data Flow for Receive Endpoint 0 Valid SETUP token received for Endpoint 0 Endpoint 0 Receive Enabled? (USBEN = 1) Error free DATA packet? No Response from USB function Ignore transaction No response from USB function Set RXD0F to 1 Receive Control Endpoint Interrupt Enabled? (RXD0IE = 1) No Interrupt Valid transaction Interrupt generated Accept Data Set SETUP to 1 N N N Y Y Y Y Y Y STALL0 = 0? N Clear STALL0 bit Endpoint 0 Receive Ready to Receive? (RX0E = 1) && (RXD0F = 0) N Y set/clear RSEQ bit No Response from USB function Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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