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R5F21207KFP Datasheet(PDF) 8 Page - Renesas Technology Corp

Part # R5F21207KFP
Description  RENESAS MCU R8C FAMILY / R8C/2x SERIES
Download  501 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

R5F21207KFP Datasheet(HTML) 8 Page - Renesas Technology Corp

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A - 1
Table of Contents
SFR Page Reference ........................................................................................................................... B - 1
1.
Overview ......................................................................................................................................... 1
1.1
Applications ............................................................................................................................................... 1
1.2
Performance Overview .............................................................................................................................. 2
1.3
Block Diagram .......................................................................................................................................... 4
1.4
Product Information .................................................................................................................................. 5
1.5
Pin Assignments ........................................................................................................................................ 7
1.6
Pin Functions ............................................................................................................................................. 8
2.
Central Processing Unit (CPU) ..................................................................................................... 10
2.1
Data Registers (R0, R1, R2 and R3) ....................................................................................................... 11
2.2
Address Registers (A0 and A1) ............................................................................................................... 11
2.3
Frame Base Register (FB) ....................................................................................................................... 11
2.4
Interrupt Table Register (INTB) .............................................................................................................. 11
2.5
Program Counter (PC) ............................................................................................................................. 11
2.6
User Stack Pointer (USP) and Interrupt Stack Pointer (ISP) .................................................................. 11
2.7
Static Base Register (SB) ........................................................................................................................ 11
2.8
Flag Register (FLG) ................................................................................................................................ 11
2.8.1
Carry Flag (C) ..................................................................................................................................... 11
2.8.2
Debug Flag (D) ................................................................................................................................... 11
2.8.3
Zero Flag (Z) ....................................................................................................................................... 11
2.8.4
Sign Flag (S) ....................................................................................................................................... 11
2.8.5
Register Bank Select Flag (B) ............................................................................................................ 11
2.8.6
Overflow Flag (O) .............................................................................................................................. 11
2.8.7
Interrupt Enable Flag (I) ..................................................................................................................... 12
2.8.8
Stack Pointer Select Flag (U) .............................................................................................................. 12
2.8.9
Processor Interrupt Priority Level (IPL) ............................................................................................. 12
2.8.10
Reserved Bit ........................................................................................................................................ 12
3.
Memory ......................................................................................................................................... 13
3.1
R8C/20 Group ......................................................................................................................................... 13
3.2
R8C/21 Group ......................................................................................................................................... 14
4.
Special Function Registers (SFRs) ............................................................................................... 15
5.
Resets ........................................................................................................................................... 21
5.1
Hardware Reset ....................................................................................................................................... 24
5.1.1
When Power Supply is Stable ............................................................................................................. 24
5.1.2
Power On ............................................................................................................................................ 24
5.2
Power-On Reset Function ....................................................................................................................... 26
5.3
Voltage Monitor 1 Reset ......................................................................................................................... 27
5.4
Voltage Monitor 2 Reset ......................................................................................................................... 27
5.5
Watchdog Timer Reset ............................................................................................................................ 27
5.6
Software Reset ......................................................................................................................................... 27
6.
Voltage Detection Circuit .............................................................................................................. 28
6.1
VCC Input Voltage .................................................................................................................................. 34
6.1.1
Monitoring Vdet1 ............................................................................................................................... 34


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