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R5F21218KFP Schematic ( PDF Datasheet ) - Renesas

Teilenummer R5F21218KFP
Beschreibung MCU
Hersteller Renesas
Logo Renesas Logo 




Gesamt 30 Seiten
R5F21218KFP Datasheet, Funktion
REJ09B0250-0200
16
R8C/20 ,Group R8C/21 Group
Hardware Manual
RENESAS MCU
R8C FAMILY / R8C/2x SERIES
All information contained in these materials, including products and product specifications,
represents information on the product at the time of publication and is subject to change by
Renesas Technology Corp. without notice. Please review the latest information published
by Renesas Technology Corp. through various means, including the Renesas Technology
Corp. website (http://www.renesas.com).
Rev.2.00
Revision Date: Aug 27, 2008
www.renesas.com






R5F21218KFP Datasheet, Funktion
3. Register Notation
The symbols and terms used in register diagrams are described below.
XXX Register
b7 b6 b5 b4 b3 b2 b1 b0
0
*1
Symbol
XXX
Bit Symbol
Bit Name
XXX0
XXX bits
XXX1
Address
XXX
After Reset
00h
b1 b0
1 0: XXX
0 1: XXX
1 0: Do not set.
1 1: XXX
Function
Nothing is assigned. If necessary, set to 0.
(b2) When read, the content is undefined.
(b3) Reserved bits
XXX4
XXX bits
Set to 0.
Function varies according to the operating
mode.
XXX5
XXX6
XXX7
XXX bit
0: XXX
1: XXX
RW *2
RW
RW
*3
RW *4
RW
WO
RW
RO
*1
Blank: Set to 0 or 1 according to the application.
0: Set to 0.
1: Set to 1.
X: Nothing is assigned.
*2
RW: Read and write.
RO: Read only.
WO: Write only.
: Nothing is assigned.
*3
• Reserved bit
Reserved bit. Set to specified value.
*4
• Nothing is assigned
Nothing is assigned to the bit. As the bit may be used for future functions, if necessary, set to 0.
• Do not set to a value
Operation is not guaranteed when a value is set.
• Function varies according to the operating mode.
The function of the bit varies with the peripheral function mode. Refer to the register diagram for information
on the individual modes.

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R5F21218KFP pdf, datenblatt
18.4 A/D Conversion Cycles ......................................................................................................................... 371
18.5 Internal Equivalent Circuit of Analog Input .......................................................................................... 372
18.6 Output Impedance of Sensor Under A/D Conversion ........................................................................... 373
18.7 Notes on A/D Converter ........................................................................................................................ 374
19. Flash Memory ............................................................................................................................. 375
19.1 Overview ............................................................................................................................................... 375
19.2 Memory Map ......................................................................................................................................... 377
19.3 Functions to Prevent Rewriting of Flash Memory ................................................................................ 380
19.3.1 ID Code Check Function .................................................................................................................. 380
19.3.2 ROM Code Protect Function ............................................................................................................ 381
19.4 CPU Rewrite Mode ............................................................................................................................... 382
19.4.1 EW0 Mode ........................................................................................................................................ 383
19.4.2 EW1 Mode ........................................................................................................................................ 383
19.4.3 Software Commands ......................................................................................................................... 392
19.4.4 Status Registers ................................................................................................................................. 397
19.4.5 Full Status Check .............................................................................................................................. 398
19.5 Standard Serial I/O Mode ...................................................................................................................... 400
19.5.1 ID Code Check Function .................................................................................................................. 400
19.6 Parallel I/O Mode .................................................................................................................................. 404
19.6.1 ROM Code Protect Function ............................................................................................................ 404
19.7 Notes on Flash Memory ........................................................................................................................ 405
19.7.1 CPU Rewrite Mode ........................................................................................................................... 405
20. Electrical Characteristics ............................................................................................................ 408
21. Usage Notes ............................................................................................................................... 428
21.1 Notes on Clock Generation Circuit ....................................................................................................... 428
21.1.1 Stop Mode ......................................................................................................................................... 428
21.1.2 Wait Mode ........................................................................................................................................ 428
21.1.3 Oscillation Stop Detection Function ................................................................................................. 428
21.1.4 Oscillation Circuit Constants ............................................................................................................ 428
21.2 Notes on Interrupts ................................................................................................................................ 429
21.2.1 Reading Address 00000h .................................................................................................................. 429
21.2.2 SP Setting .......................................................................................................................................... 429
21.2.3 External Interrupt and Key Input Interrupt ....................................................................................... 429
21.2.4 Changing Interrupt Sources .............................................................................................................. 430
21.2.5 Changing Interrupt Control Register Contents ................................................................................. 431
21.3 Notes on Timers .................................................................................................................................... 432
21.3.1 Notes on Timer RA ........................................................................................................................... 432
21.3.2 Notes on Timer RB ........................................................................................................................... 433
21.3.3 Notes on Timer RD ........................................................................................................................... 437
21.3.4 Notes on Timer RE ........................................................................................................................... 443
21.4 Notes on Serial Interface ....................................................................................................................... 444
21.5 Clock Synchronous Serial Interface ...................................................................................................... 445
21.5.1 Notes on Clock Synchronous Serial I/O with Chip Select ............................................................... 445
21.5.2 Notes on I2C Bus Interface ............................................................................................................... 445
21.6 Notes on Hardware LIN ........................................................................................................................ 446
21.7 Notes on A/D Converter ........................................................................................................................ 447
A-5

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