r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 17
![no-image](/images/manufacturer_photos/0/5/561/renesas_electronics_corporation__sml.jpg)
r5s77631ay266bgv
Manufacturer Part Number
r5s77631ay266bgv
Description
Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R5S77631AY266BGV.pdf
(2026 pages)
- Current page: 17 of 2026
- Download datasheet (12Mb)
Section 15 External CPU Interface (EXCPU) ...................................................621
15.1 Features.............................................................................................................................. 621
15.2 Input/Output Pins ............................................................................................................... 622
15.3 Register Descriptions ......................................................................................................... 623
15.4 Operation ........................................................................................................................... 627
Section 16 Clock Pulse Generator (CPG)..........................................................633
16.1 Features.............................................................................................................................. 633
16.2 Input/Output Pins ............................................................................................................... 636
16.3 Clock Operating Mode....................................................................................................... 637
16.4 Register Descriptions ......................................................................................................... 638
16.5 Notes on Board Design ...................................................................................................... 642
Section 17 Watchdog Timer and Reset (WDT).................................................645
17.1 Features.............................................................................................................................. 645
17.2 Input/Output Pins ............................................................................................................... 647
17.3 Register Descriptions ......................................................................................................... 648
17.4 Operation ........................................................................................................................... 654
17.5 Status Pin Change Timing during Reset ............................................................................ 659
15.3.1 External CPU Control Register (EXCCTRL) ....................................................... 624
15.3.2 External CPU Memory Space Select Register (EXCMSETR) ............................. 625
15.3.3 External CPU Interrupt Output Control Register (EXCINOR)............................. 626
16.4.1 Frequency Control Register (FRQCR) ................................................................. 639
16.4.2 PLL Control Register (PLLCR)............................................................................ 641
17.3.1 Watchdog Timer Stop Time Register (WDTST) .................................................. 649
17.3.2 Watchdog Timer Control/Status Register (WDTCSR)......................................... 650
17.3.3 Watchdog timer Base Stop Time Register (WDTBST) ........................................ 652
17.3.4 Watchdog Timer Counter (WDTCNT)................................................................. 653
17.3.5 Watchdog Timer Base Counter (WDTBCNT) ..................................................... 653
17.4.1 Reset request......................................................................................................... 654
17.4.2 Using watchdog timer mode ................................................................................. 655
17.4.3 Using Interval timer mode .................................................................................... 656
17.4.4 Time for WDT Overflow ...................................................................................... 656
17.4.5 Clearing WDT Counter......................................................................................... 658
17.5.1 Power-On Reset by PRESET................................................................................ 659
17.5.2 Power-On Reset by Watchdog Timer Overflow................................................... 662
17.5.3 Manual Reset by Watchdog Timer Overflow ....................................................... 664
Rev. 1.00 Oct. 01, 2007 Page xvii of lxvi
Related parts for r5s77631ay266bgv
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![HD6417709S](/images/manufacturer_photos/0/5/561/renesas_electronics_corporation__tmb.jpg)
Part Number:
Description:
Renesas Technology Corp [Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series]
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
![M30291FCTHP](/images/manufacturer_photos/0/5/561/renesas_electronics_corporation__tmb.jpg)
Part Number:
Description:
RENESAS MCU M16C FAMILY / M16C/Tiny SERIES
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
![R0K505210S000BE](/images/manufacturer_photos/0/5/561/renesas_electronics_corporation__tmb.jpg)
Part Number:
Description:
Renesas Starter Kit for RX210
Manufacturer:
Renesas Electronics Corporation.
![R0K505630S000BE](/images/manufacturer_photos/0/5/561/renesas_electronics_corporation__tmb.jpg)
Part Number:
Description:
EVALBOARD/Renesas StarterKit for RX630
Manufacturer:
Renesas Electronics Corporation.
![R0K50563NS000BE](/images/manufacturer_photos/0/5/561/renesas_electronics_corporation__tmb.jpg)
Part Number:
Description:
EVALBOARD/Renesas Starter Kit+ for RX63N
Manufacturer:
Renesas Electronics Corporation.
![R0K507269S000BE](/images/manufacturer_photos/0/5/561/renesas_electronics_corporation__tmb.jpg)
Part Number:
Description:
EVALBOARD/Renesas Starter Kit
Manufacturer:
Renesas Electronics Corporation.
![Y-PG-FP5-EE](/images/manufacturer_photos/0/5/561/renesas_electronics_corporation__tmb.jpg)
Part Number:
Description:
FLASH PROGRAMMER FOR RENESAS MICROCONTROLLERS
Manufacturer:
Renesas Electronics Corporation.
![HA1127](/images/manufacturer_photos/0/5/561/renesas_electronics_corporation__tmb.jpg)
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
![HA17747](/images/manufacturer_photos/0/5/561/renesas_electronics_corporation__tmb.jpg)
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
![UPD3799CY](/images/manufacturer_photos/0/5/561/renesas_electronics_corporation__tmb.jpg)
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
![UPD3719D](/images/manufacturer_photos/0/5/561/renesas_electronics_corporation__tmb.jpg)
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
![UPD3778CY](/images/manufacturer_photos/0/5/561/renesas_electronics_corporation__tmb.jpg)
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
![UPD3777CY](/images/manufacturer_photos/0/5/561/renesas_electronics_corporation__tmb.jpg)
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
![UPD3798CY](/images/manufacturer_photos/0/5/561/renesas_electronics_corporation__tmb.jpg)
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
![UPD3728DZ](/images/manufacturer_photos/0/5/561/renesas_electronics_corporation__tmb.jpg)
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet: