r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 11

• Manufacturer Part Number: r5f21346mnfp
• Description: Single-chip Mcus Incorporates The R8c Cpu Core
• Manufacturer: Renesas Electronics Corporation.

10.
11.
10.1
11.1
11.2
11.3
11.4
11.5
11.6
9.9.1
9.9.2
9.9.3
9.9.4
9.9.5
9.9.6
10.1.1
11.1.1
11.1.2
11.1.3
11.1.4
11.1.5
11.2.1
11.2.2
11.2.3
11.3.1
11.3.2
11.3.3
11.3.4
11.3.5
11.3.6
11.3.7
11.3.8
11.3.9
11.3.10 Interrupt Priority Level Selection Circuit ......................................................................................... 158
11.4.1
11.4.2
11.4.3
11.4.4
11.4.5
11.4.6
11.4.7
11.5.1
11.6.1
11.6.2
Protection .................................................................................................................................... 143
Interrupts ..................................................................................................................................... 144
Register .................................................................................................................................................. 143
Overview ............................................................................................................................................... 144
Registers ................................................................................................................................................ 149
Interrupt Control .................................................................................................................................... 152
INT Interrupt ......................................................................................................................................... 159
Key Input Interrupt ................................................................................................................................ 163
Address Match Interrupt ........................................................................................................................ 165
Stop Mode ......................................................................................................................................... 141
Wait Mode ........................................................................................................................................ 141
Reducing Internal Power Using VCA20 Bit ..................................................................................... 142
Oscillation Stop Detection Function ................................................................................................. 142
Oscillation Circuit Constants ............................................................................................................ 142
High-Speed On-chip Oscillator Mode .............................................................................................. 142
Protect Register (PRCR) ................................................................................................................... 143
Types of Interrupts ............................................................................................................................ 144
Software Interrupts ........................................................................................................................... 145
Special Interrupts .............................................................................................................................. 146
Peripheral Function Interrupts .......................................................................................................... 146
Interrupts and Interrupt Vectors ........................................................................................................ 147
Interrupt Control Register
(TREIC, S2TIC, S2RIC, KUPIC, ADIC, S0TIC, S0RIC, S1TIC, S1RIC, TRAIC, TRBIC,
U2BCNIC, VCMP1IC, VCMP2IC) ................................................................................................. 149
Interrupt Control Register (FMRDYIC, TRCIC, TRD0IC, TRD1IC, SSUIC/IICIC) ..................... 150
INTi Interrupt Control Register (INTiIC) (i = 0 to 4) ....................................................................... 151
I Flag ................................................................................................................................................. 152
IR Bit ................................................................................................................................................. 152
Bits ILVL2 to ILVL0, IPL ................................................................................................................ 152
Interrupt Sequence ............................................................................................................................ 153
Interrupt Response Time ................................................................................................................... 154
IPL Change when Interrupt Request is Acknowledged .................................................................... 154
Saving Registers ............................................................................................................................... 155
Returning from Interrupt Routine ..................................................................................................... 157
Interrupt Priority ............................................................................................................................... 157
INTi Interrupt (i = 0 to 4) .................................................................................................................. 159
INT Interrupt Input Pin Select Register (INTSR) ............................................................................. 159
External Input Enable Register 0 (INTEN) ...................................................................................... 160
External Input Enable Register 1 (INTEN1) .................................................................................... 160
INT Input Filter Select Register 0 (INTF) ........................................................................................ 161
INT Input Filter Select Register 1 (INTF1) ...................................................................................... 161
INTi Input Filter (i = 0 to 4) .............................................................................................................. 162
Key Input Enable Register 0 (KIEN) ................................................................................................ 164
Address Match Interrupt Enable Register i (AIERi) (i = 0 or 1) ...................................................... 166
Address Match Interrupt Register i (RMADi) (i = 0 or 1) ................................................................ 166
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