r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 23

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

31.
32.
30.3
30.4
30.5
31.1
31.2
31.3
31.4
32.1
32.2
32.3
32.4
32.5
32.6
30.2.1
30.2.2
30.2.3
30.2.4
30.2.5
30.2.6
30.3.1
30.3.2
30.4.1
30.4.2
30.5.1
30.5.2
31.2.1
31.2.2
31.2.3
31.3.1
32.3.1
32.3.2
32.3.3
32.4.1
32.4.2
32.4.3
32.4.4
32.4.5
32.4.6
32.4.7
32.4.8
32.4.9
32.4.10 Data Protect Function ....................................................................................................................... 647
32.4.11 Software Commands ......................................................................................................................... 648
32.4.12 Full Status Check .............................................................................................................................. 659
32.5.1
Comparator B ............................................................................................................................. 622
Flash Memory ............................................................................................................................. 629
Monitoring Comparison Results ........................................................................................................... 614
Functional Description .......................................................................................................................... 615
Comparator A1 and Comparator A2 Interrupts ..................................................................................... 621
Overview ............................................................................................................................................... 622
Registers ................................................................................................................................................ 624
Functional Description .......................................................................................................................... 626
Comparator B1 and Comparator B3 Interrupts ..................................................................................... 628
Overview ............................................................................................................................................... 629
Memory Map ......................................................................................................................................... 630
Functions to Prevent Flash Memory from being Rewritten .................................................................. 631
CPU Rewrite Mode ............................................................................................................................... 633
Standard Serial I/O Mode ...................................................................................................................... 661
Parallel I/O Mode .................................................................................................................................. 664
Voltage Monitor Circuit/Comparator A Control Register (CMPA) ................................................. 608
Voltage Monitor Circuit Edge Select Register (VCAC) .................................................................. 609
Voltage Detect Register (VCA1) ...................................................................................................... 610
Voltage Detect Register 2 (VCA2) ................................................................................................... 611
Voltage Monitor 1 Circuit Control Register (VW1C) ...................................................................... 612
Monitoring Comparator A1 .............................................................................................................. 614
Monitoring Comparator A2 .............................................................................................................. 614
Comparator A1 ................................................................................................................................. 615
Comparator A2 ................................................................................................................................. 618
Non-Maskable Interrupts .................................................................................................................. 621
Maskable Interrupts .......................................................................................................................... 621
Comparator B Control Register 0 (INTCMP) .................................................................................. 624
External Input Enable Register 0 (INTEN) ...................................................................................... 624
INT Input Filter Select Register 0 (INTF) ........................................................................................ 625
Comparator Bi Digital Filter (i = 1 or 3) .......................................................................................... 627
ID Code Check Function .................................................................................................................. 631
ROM Code Protect Function ............................................................................................................ 632
Option Function Select Register (OFS) ............................................................................................ 632
Flash Memory Status Register (FST) ............................................................................................... 634
Flash Memory Control Register 0 (FMR0) ...................................................................................... 636
Flash Memory Control Register 1 (FMR1) ...................................................................................... 639
Flash Memory Control Register 2 (FMR2) ...................................................................................... 641
EW0 Mode ........................................................................................................................................ 643
EW1 Mode ........................................................................................................................................ 643
Suspend Operation ............................................................................................................................ 644
How to Set and Exit Each Mode ....................................................................................................... 645
BGO (BackGround Operation) Function .......................................................................................... 646
ID Code Check Function .................................................................................................................. 661
Voltage Monitor 2 Circuit Control Register (VW2C) ..................................................................... 613
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