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R5F21143DSP View Datasheet(PDF) - Renesas Electronics

Part NameR5F21143DSP Renesas
Renesas Electronics Renesas
DescriptionR8C/14 Group, R8C/15 Group SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
R5F21143DSP Datasheet PDF : 277 Pages
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4. Special Function Register (SFR)
15
5. Reset
19
5.1 Hardware Reset ........................................................................................21
5.1.1 When the power supply is stable........................................................21
5.1.2 Power on ............................................................................................21
5.2 Power-On Reset Function .........................................................................23
5.3 Voltage Monitor 1 Reset ...........................................................................24
5.4 Voltage Monitor 2 Reset............................................................................24
5.5 Watchdog Timer Reset..............................................................................24
5.6 Software Reset..........................................................................................24
6. Voltage Detection Circuit
25
6.1 Monitoring VCC Input Voltage...................................................................31
6.1.1 Monitoring Vdet1 ................................................................................31
6.1.2 Monitoring Vdet2 ................................................................................31
6.2 Voltage Monitor 1 Reset............................................................................32
6.3 Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset .........................33
7. Processor Mode
35
7.1 Types of Processor Mode .........................................................................35
8. Bus
37
9. Clock Generation Circuit
38
9.1 Main Clock.................................................................................................45
9.2 On-Chip Oscillator Clock ...........................................................................46
9.2.1 Low-Speed On-Chip Oscillator Clock .................................................46
9.2.2 High-Speed On-Chip Oscillator Clock ................................................46
9.3 CPU Clock and Peripheral Function Clock................................................47
9.3.1 System Clock......................................................................................47
9.3.2 CPU Clock ..........................................................................................47
9.3.3 Peripheral Function Clock (f1, f2, f4, f8, f32) ......................................47
9.3.4 fRING and fRING128..........................................................................47
9.3.5 fRING-fast...........................................................................................47
9.3.6 fRING-S ..............................................................................................47
9.4 Power Control............................................................................................48
A-2
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 Overview
This MCU is built using the high-performance silicon gate CMOS process using a R8C/Tiny Series CPU core and is packaged in a 20-pin plastic molded LSSOP. This MCU operates using sophisticated instructions featuring a high level of instruction efficiency. With 1 Mbyte of address space, it is capable of executing instructions at high speed. Furthermore, the data flash ROM (1KB × 2blocks) is embedded in the R8C/15 group.
The difference between R8C/14 and R8C/15 groups is only the existence of the data flash ROM. Their peripheral functions are the same.

 Applications
Electric household appliance, office equipment, housing equipment (sensor, security), general industrial equipment, audio, etc.

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