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SH7708 Datasheet(PDF) 11 Page - Renesas Technology Corp |
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SH7708 Datasheet(HTML) 11 Page - Renesas Technology Corp |
11 / 633 page iii 5.1.1 Features ................................................................................................................ 97 5.1.2 Cache Structure .................................................................................................... 97 5.1.3 Register Configuration ......................................................................................... 99 5.2 Register Description .......................................................................................................... 99 5.2.1 Cache Control Register (CCR) ............................................................................. 99 5.3 Cache Operation ................................................................................................................ 100 5.3.1 Searching the Cache ............................................................................................. 100 5.3.2 Read Access.......................................................................................................... 102 5.3.3 Write Access ........................................................................................................ 102 5.3.4 Write-Back Buffer................................................................................................ 102 5.3.5 Coherency of Cache and External Memory ......................................................... 103 5.3.6 RAM Mode .......................................................................................................... 103 5.4 Memory-Mapped Cache .................................................................................................... 103 5.4.1 Address Array ...................................................................................................... 103 5.4.2 Data Array ............................................................................................................ 104 5.5 Usage Examples ................................................................................................................ 106 5.5.1 Invalidating Specific Entries ................................................................................ 106 5.5.2 Reading the Data of a Specific Entry ................................................................... 106 Section 6 Interrupt Controller (INTC) ........................................................................... 107 6.1 Overview............................................................................................................................ 107 6.1.1 Features ................................................................................................................ 107 6.1.2 Block Diagram...................................................................................................... 108 6.1.3 Pin Configuration ................................................................................................. 109 6.1.4 Register Configuration ......................................................................................... 109 6.2 Interrupt Sources................................................................................................................ 109 6.2.1 NMI Interrupts...................................................................................................... 110 6.2.2 IRL Interrupts ....................................................................................................... 110 6.2.3 On-Chip Supporting Module Interrupts ............................................................... 112 6.2.4 Interrupt Exception Handling and Priority ........................................................... 112 6.3 INTC Registers .................................................................................................................. 115 6.3.1 Interrupt Priority Registers A and B (IPRA, IPRB) ............................................. 115 6.3.2 Interrupt Control Register (ICR) .......................................................................... 116 6.4 INTC Operation ................................................................................................................. 117 6.4.1 Interrupt Sequence................................................................................................ 117 6.4.2 Multiple Interrupts................................................................................................ 119 6.5 Interrupt Response Time.................................................................................................... 120 Section 7 User Break Controller (UBC)........................................................................ 123 7.1 Overview............................................................................................................................ 123 7.1.1 Features ................................................................................................................ 123 7.1.2 Block Diagram...................................................................................................... 123 7.1.3 Register Configuration ......................................................................................... 125 |
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