R5F21102DFP#U0 Renesas Electronics America, R5F21102DFP#U0 Datasheet - Page 42
R5F21102DFP#U0
Manufacturer Part Number
R5F21102DFP#U0
Description
IC R8C MCU FLASH 8K 32LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/R8C/Tiny/10r
Datasheets
1.R5F211A2SPU0.pdf
(300 pages)
2.R5F21102FPU0.pdf
(30 pages)
3.R5F21102FPU0.pdf
(201 pages)
Specifications of R5F21102DFP#U0
Core Processor
R8C
Core Size
16-Bit
Speed
16MHz
Connectivity
SIO, UART/USART
Peripherals
LED, WDT
Number Of I /o
22
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
For Use With
R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521134EPB00 - KIT EMULATOR PROBE FOR PC7501R0E521134CPE00 - EMULATOR COMPACT R8C/13
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 42 of 201
- Download datasheet (2Mb)
R8C/10 Group
Rev.1.20 Jan 27, 2006
REJ09B0019-0120
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 and PRC1 bits 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 registers
• Registers protected by PRC1 bit: PM0 and PM1 registers
• Registers protected by PRC2 bit: PD0 register
P r o t e c t r e g i s t e r
b7
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 ”
b6
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 .
b5
0
b4
0
b3
0
b2
page 30 of 180
b1
b0
B i t s y m b o l
( b 7 - b 6 )
( b 5 - b 3 )
PRC0
PRC1
PRC2
Symbol
PRCR
Reserved bit
Reserved bit
Protect bit 0
Protect bit 1
Protect bit 2
B i t n a m e
Address
000A
16
00XXX000
After reset
W h e n w r i t e , m u s t s e t t o " 0 "
When read, its content is “0”.
E n a b l e w r i t e t o C M 0 , C M 1 , O C D
r e g i s t e r s
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
Enable write to PM0, PM1
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
Enable write to PD0 register
0 : Write protected
1 : Write enabled
2
Function
1
7. Protection
RW
RW
RW
R W
R W
RO
Related parts for R5F21102DFP#U0
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
KIT STARTER FOR M16C/29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/2D
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
R0K33062P STARTER KIT
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/23 E8A
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/25
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER H8S2456 SHARPE DSPLY
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C38C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C35C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8CL3AC+LCD APPS
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR RX610
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R32C/118
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT DEV RSK-R8C/26-29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR SH7124
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR H8SX/1622
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT DEV FOR SH7203
Manufacturer:
Renesas Electronics America
Datasheet: