4.8.1 Instructions that Disable Interrupts ···········································································92
4.8.2 Disabling of Exceptions Immediately after a Reset ··················································93
4.8.3 Disabling of Interrupts after a Data Transfer Cycle ··················································93
4.9 Stack Status after Completion of Exception Handling ························································94
4.9.1 PC Value Pushed on Stack for Trace,
Interrupts, Trap Instructions, and Zero Divide Exceptions ·······································96
4.9.2 PC Value Pushed on Stack for Address Error and Invalid
Instruction Exceptions ······························································································96
4.10 Notes on Use of the Stack ····································································································96
Section 5 Interrupt Controller
5.1 Overview ······························································································································97
5.1.1 Features ·····················································································································97
5.1.2 Block Diagram ··········································································································98
5.1.3 Register Configuration ······························································································99
5.2 Interrupt Types ·····················································································································99
5.2.1 External Interrupts ····································································································99
5.2.2 Internal Interrupts ····································································································101
5.2.3 Interrupt Vector Table ·····························································································101
5.3 Register Descriptions ·········································································································103
5.3.1 Interrupt Priority Registers A to D (IPRA to IPRD) ···············································103
5.3.2 Timing of Priority Setting ·······················································································104
5.4 Interrupt Handling Sequence ·····························································································104
5.4.1 Interrupt Handling Flow ··························································································104
5.4.2 Stack Status after Interrupt Handling Sequence ·····················································107
5.4.3 Timing of Interrupt Exception-Handling Sequence ················································108
5.5 Interrupts During Operation of the Data Transfer Controller ············································108
5.6 Interrupt Response Time ····································································································111
Section 6 Data Transfer Controller
6.1 Overview ····························································································································113
6.1.1 Features ···················································································································113
6.1.2 Block Diagram ········································································································113
6.1.3 Register Configuration ····························································································114
6.2 Register Descriptions ·········································································································115
6.2.1 Data Transfer Mode Register (DTMR) ···································································115
6.2.2 Data Transfer Source Address Register (DTSR) ····················································116
6.2.3 Data Transfer Destination Register (DTDR) ·························································116
6.2.4 Data Transfer Count Register (DTCR) ···································································116
6.2.5 Data Transfer Enable Registers A to D (DTEA to DTED) ·····································117
6.3 Data Transfer Operation ·····································································································118
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