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H8SX/1663 数据表(PDF) 815 Page - Renesas Technology Corp |
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H8SX/1663 数据表(HTML) 815 Page - Renesas Technology Corp |
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815 / 1158 page ![]() Section 16 USB Function Module (USB) Rev.1.00 Jun. 07, 2006 Page 763 of 1102 REJ09B0294-0100 16.3.8 Interrupt Enable Register 1 (IER1) IER1 enables the interrupt requests of interrupt flag register 1 (IFR1). When an interrupt flag is set to 1 while the corresponding bit of each interrupt is set to 1, an interrupt request is sent to the CPU. The interrupt vector number is determined by the contents of interrupt select register 1 (ISR1). Bit Bit Name Initial Value R/W 7 0 R 6 0 R 5 0 R 4 0 R 3 0 R 2 EP3 TR 0 R/W 1 EP3 TS 0 R/W 0 VBUSF 0 R/W Bit Bit Name Initial Value R/W Description 7 6 5 4 3 0 0 0 0 0 R R R R R Reserved These bits are always read as 0. The write value should always be 0. 2 EP3 TR 0 R/W EP3 Transfer Request 1 EP3 TS 0 R/W EP3 Transmission Complete 0 VBUSF 0 R/W USB Bus Connect 16.3.9 Interrupt Enable Register 2 (IER2) IER2 enables the interrupt requests of interrupt flag register 2 (IFR2). When an interrupt flag is set to 1 while the corresponding bit of each interrupt is set to 1, an interrupt request is sent to the CPU. The interrupt vector number is determined by the contents of interrupt select register 2 (ISR2). Bit Bit Name Initial Value R/W 7 SSRSME 0 R/W 6 0 R 5 0 R 4 SURSE 0 R/W 3 CFDN 0 R/W 2 0 R 1 SETCE 0 R/W 0 SETIE 0 R/W |
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