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HD64F2649 Datasheet(PDF) 11 Page - Renesas Technology Corp |
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HD64F2649 Datasheet(HTML) 11 Page - Renesas Technology Corp |
11 / 766 page Rev. 2.00 Dec. 05, 2005 Page xi of xxxviii 5.3.2 IRQ Enable Register (IER) ..................................................................................... 74 5.3.3 IRQ Sense Control Registers H and L (ISCRH, ISCRL)........................................ 75 5.3.4 IRQ Status Register (ISR)....................................................................................... 77 5.4 Interrupt Sources.................................................................................................................. 78 5.4.1 External Interrupts .................................................................................................. 78 5.4.2 Internal Interrupts ................................................................................................... 79 5.5 Interrupt Exception Handling Vector Table......................................................................... 79 5.6 Interrupt Control Modes and Interrupt Operation ................................................................ 83 5.6.1 Interrupt Control Mode 0 ........................................................................................ 83 5.6.2 Interrupt Control Mode 2 ........................................................................................ 85 5.6.3 Interrupt Exception Handling Sequence ................................................................. 87 5.6.4 Interrupt Response Times ....................................................................................... 89 5.6.5 DTC Activation by Interrupt................................................................................... 90 5.7 Usage Notes ......................................................................................................................... 91 5.7.1 Conflict between Interrupt Generation and Disabling ............................................ 91 5.7.2 Instructions that Disable Interrupts ......................................................................... 92 5.7.3 When Interrupts Are Disabled ................................................................................ 92 5.7.4 Interrupts during Execution of EEPMOV Instruction............................................. 92 Section 6 PC Break Controller (PBC) .................................................................93 6.1 Features................................................................................................................................ 93 6.2 Register Descriptions ...........................................................................................................94 6.2.1 Break Address Register A (BARA) ........................................................................ 94 6.2.2 Break Address Register B (BARB) ........................................................................ 95 6.2.3 Break Control Register A (BCRA) ......................................................................... 95 6.2.4 Break Control Register B (BCRB).......................................................................... 96 6.3 Operation ............................................................................................................................. 96 6.3.1 PC Break Interrupt Due to Instruction Fetch .......................................................... 96 6.3.2 PC Break Interrupt Due to Data Access.................................................................. 97 6.3.3 PC Break Operation at Consecutive Data Transfer................................................. 97 6.3.4 Operation in Transitions to Power-Down Modes ................................................... 97 6.3.5 When Instruction Execution Is Delayed by One State ............................................ 99 6.4 Usage Notes ....................................................................................................................... 100 6.4.1 Module Stop Mode Setting ................................................................................... 100 6.4.2 PC Break Interrupts .............................................................................................. 100 6.4.3 CMFA and CMFB ................................................................................................ 100 6.4.4 PC Break Interrupt when DTC Is Bus Master ...................................................... 100 6.4.5 PC Break Set for Instruction Fetch at Address Following BSR, JSR, JMP, TRAPA, RTE, or RTS Instruction ........................................................................ 100 6.4.6 I Bit Set by LDC, ANDC, ORC, or XORC Instruction ........................................ 100 |
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