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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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20.2.1 Reading Address 00000h .................................................................236
20.2.2 SP Setting.........................................................................................236
20.2.3 External Interrupt and Key Input Interrupt ........................................236
20.2.4 Watchdog Timer Interrupt.................................................................236
20.2.5 Changing Interrupt Factor.................................................................237
20.2.6 Changing Interrupt Control Register.................................................238
20.3 Clock Generation Circuit .........................................................................239
20.3.1 Oscillation Stop Detection Function..................................................239
20.3.2 Oscillation Circuit Constants.............................................................239
20.4 Timers .....................................................................................................240
20.4.1 Timers X and Z .................................................................................240
20.4.2 Timer X .............................................................................................240
20.4.3 Timer Z .............................................................................................241
20.4.4 Timer C.............................................................................................241
20.5 Serial Interface ........................................................................................242
20.6 Clock Synchronous Serial I/O (SSU) with Chip Select............................243
20.6.1 Access Registers Associated with SSU ...........................................243
20.7 A/D Converter..........................................................................................244
20.8 Flash Memory Version ............................................................................245
20.8.1 CPU Rewrite Mode...........................................................................245
20.9 Noise .......................................................................................................248
20.9.1 Insert a bypass capacitor between VCC and VSS pins as the
countermeasures against noise and latch-up...................................248
20.9.2 Countermeasures against Noise Error of Port Control Registers.....248
21. Precaution for On-chip Debugger
249
Appendix 1. Package Dimensions
250
Appendix 2. Connecting Example between Serial Writer and On-Chip
Debugging Emulator
251
Appendix 3. Example of Oscillation Evaluation Circuit
252
Register Index
253
A-6
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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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