R5F21134DFP#U0 Renesas Electronics America, R5F21134DFP#U0 Datasheet - Page 55
R5F21134DFP#U0
Manufacturer Part Number
R5F21134DFP#U0
Description
IC R8C MCU FLASH 32LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/R8C/Tiny/13r
Datasheets
1.R5F211A2SPU0.pdf
(300 pages)
2.R5F21132FPU0.pdf
(33 pages)
3.R5F21132FPU0.pdf
(226 pages)
4.R5F21134DFPU0.pdf
(224 pages)
Specifications of R5F21134DFP#U0
Core Size
16-Bit
Program Memory Size
16KB (16K x 8)
Oscillator Type
Internal
Core Processor
R8C
Speed
20MHz
Connectivity
SIO, UART/USART
Peripherals
LED, POR, Voltage Detect, WDT
Number Of I /o
22
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
No. Of I/o's
22
Eeprom Memory Size
4KB
Ram Memory Size
1024Byte
Cpu Speed
20MHz
No. Of Timers
16
Digital Ic Case
RoHS Compliant
Controller Family/series
R8C/13
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521134EPB00 - KIT EMULATOR PROBE FOR PC7501R0E521134CPE00 - EMULATOR COMPACT R8C/13
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21134DFP#U0R5F21134DFP
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- R5F211A2SPU0 PDF datasheet
- R5F21132FPU0 PDF datasheet #2
- R5F21132FPU0 PDF datasheet #3
- R5F21134DFPU0 PDF datasheet #4
- Current page: 55 of 224
- Download datasheet (3Mb)
R8C/13 Group
Rev.1.20
REJ09B0111-0120
7. Protection
Figure 7.1 PRCR Register
In the event that a program runs out of control, this function protects the important registers so that they
will not be rewritten easily. Figure 7.1 shows the PRCR register. The following lists the registers protected
by the PRCR register.
Set the PRC2 bit to “1” (write enabled) and then write to any address, and the PRC2 bit will be set to “0”
(write protected). The registers protected by the PRC2 bit should be changed in the next instruction after
setting the PRC2 bit to “1”. Make sure no interrupts will occur between the instruction in which the PRC2
bit is set to “1” and the next instruction. The PRC0,PRC1 and PRC3 bsits are not automatically set to “0”
by writing to any address. They can only be set to “0” in a program.
• Registers protected by PRC0 bit: CM0, CM1, and OCD, HR0, HR1 registers
• Registers protected by PRC1 bit: PM0 and PM1 registers
• Registers protected by PRC2 bit: PD0 register
• Registers protected by PRC3 bit: VCR2 and D4INT registers
P r o t e c t r e g i s t e r
b 7
N O T E S :
1 . T h e P R C 2 b i t i s s e t t o “ 0 ” b y w r i t i n g t o a n y a d d r e s s a f t e r s e t t i n g i t t o “ 1 ” . O t h e r b i t s a r e n o t s e t t o “ 0 ”
Jan 27, 2006
b 6
b y w r i t i n g t o a n y a d d r e s s , a n d m u s t t h e r e f o r e b e s e t t o “ 0 ” i n a p r o g r a m .
b 5
0
b 4
0
b 3
b 2
page 44 of 205
b 1
b 0
Bit symbol
( b 7 - b 6 )
( b 5 - b 4 )
PRC0
P R C 1
PRC2
PRC3
Symbol
PRCR
R e s e r v e d b i t
R e s e r v e d b i t
Protect bit 0
P r o t e c t b i t 1
Protect bit 2
Protect bit 3
Bit name
Address
000A
16
00XXX000
After reset
W h e n w r i t e , s h o u l d s e t t o “ 0 ”
When read, its content is “0”.
Enable write to CM0, CM1, OCD,
HR0, HR1 registers
0 : Write protected
1 : Write enabled
E n a b l e w r i t e t o P M 0 , P M 1
r e g i s t e r s
0 : Write protected
1 : Write enabled
Enable write to PD0 register
0 : Write protected
1 : Write enabled
Enable write to VCR2, D4INT
registers
0 : W r i t e p r o t e c t e d
1 : W r i t e e n a b l e d
2
Function
1
7. Protection
RW
RW
RW
RW
R W
R W
R O
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