Renesas SH7641 - Manual (Page 16)

Rev. 4.00 Sep. 14, 2005 Page xvi of l
9.1.1 TRAPA Exception Register (TRA) ...................................................................... 198
9.1.2 Exception Event Register (EXPEVT)................................................................... 199
9.1.3 Interrupt Event Register 2 (INTEVT2)................................................................. 199
9.2 Exception Handling Function ............................................................................................ 200
9.2.1 Exception Handling Flow ..................................................................................... 200
9.2.2 Exception Vector Addresses ................................................................................. 201
9.2.3 Exception Codes ................................................................................................... 201
9.2.4 Exception Request and BL Bit (Multiple Exception Prevention) ......................... 201
9.2.5 Exception Source Acceptance Timing and Priority .............................................. 202
9.3 Individual Exception Operations ....................................................................................... 205
9.3.1 Resets.................................................................................................................... 205
9.3.2 General Exceptions ............................................................................................... 206
9.4 Exception Processing While DSP Extension Function is Valid......................................... 210
9.4.1 Illegal Instruction Exception and Slot Illegal Instruction Exception .................... 210
9.4.2 Exception in Repeat Control Period ..................................................................... 210
9.5 Note on Initializing this LSI .............................................................................................. 216
9.6 Usage Notes ....................................................................................................................... 218
Section 10 Interrupt Controller (INTC)............................................................. 219
10.1 Features.............................................................................................................................. 219
10.2 Input/Output Pins ............................................................................................................... 221
10.3 Register Descriptions ......................................................................................................... 221
10.3.1 Interrupt Priority Registers B to J (IPRB to IPRJ)................................................ 223
10.3.2 Interrupt Control Register 0 (ICR0)...................................................................... 225
10.3.3 Interrupt Control Register 1 (ICR1)...................................................................... 226
10.3.4 Interrupt Control Register 3 (ICR3)...................................................................... 227
10.3.5 Interrupt Request Register 0 (IRR0) ..................................................................... 228
10.3.6 Interrupt Mask Registers 0 to 10 (IMR0 to IMR10) ............................................. 229
10.3.7 Interrupt Mask Clear Registers 0 to 10 (IMCR0 to IMCR10) .............................. 231
10.4 Interrupt Sources................................................................................................................ 233
10.4.1 NMI Interrupt........................................................................................................ 233
10.4.2 H-UDI Interrupt .................................................................................................... 233
10.4.3 IRQ Interrupts....................................................................................................... 233
10.4.4 On-Chip Peripheral Module Interrupts ................................................................. 234
10.4.5 Interrupt Exception Handling and Priority............................................................ 235
10.5 INTC Operation ................................................................................................................. 238
10.5.1 Interrupt Sequence ................................................................................................ 238
10.5.2 Multiple Interrupts ................................................................................................ 240
10.6 Notes on Use...................................................................................................................... 240
10.6.1 Notes on USB Bus Power Control........................................................................ 240