R5F212A8SNFA#U0 Renesas Electronics America, R5F212A8SNFA#U0 Datasheet - Page 143
R5F212A8SNFA#U0
Manufacturer Part Number
R5F212A8SNFA#U0
Description
IC R8C/2A MCU FLASH 64K 64-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/2Ar
Specifications of R5F212A8SNFA#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, PWM, Voltage Detect, WDT
Number Of I /o
55
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
3K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
64-LQFP
For Use With
R0K5212D8S001BE - KIT STARTER FOR R8C/2DR0K5212D8S000BE - KIT DEV FOR R8C/2D
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F212A8SNFA#U0R5F212A8SNFA#V2
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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R8C/2A Group, R8C/2B Group
Rev.2.00
REJ09B0324-0200
11. Protection
The protection function protects important registers from being easily overwritten when a program runs out of control.
Figure 11.1 shows the PRCR Register. The registers protected by the PRCR register are listed below.
Figure 11.1
Protect Register
• Registers protected by PRC0 bit: Registers CM0, CM1, OCD, FRA0, FRA1, and FRA2
• Registers protected by PRC1 bit: Registers PM0 and PM1
• Registers protected by PRC2 bit: PD0 register
• Registers protected by PRC3 bit: Registers VCA2, VW0C, VW1C, and VW2C
b7 b6 b5 b4 b3 b2 b1 b0
NOTE:
1.
0 0
This bit is set to 0 after w riting 1 to the PRC2 bit and executing a w rite to any address. Since the other bits are not
set to 0, set them to 0 by a program.
Nov 26, 2007
PRCR Register
Bit Symbol
(b5-b4)
(b7-b6)
Symbol
PRCR
PRC0
PRC1
PRC2
PRC3
Page 121 of 580
—
—
Protect bit 0
Protect bit 1
Protect bit 2
Protect bit 3
Reserved bits
Reserved bits
Address
Bit Name
000Ah
Writing to registers CM0, CM1, OCD, FRA0, FRA1,
and FRA2 is enabled.
0 : Disables w riting
1 : Enables w riting
Writing to registers PM0 and PM1 is enabled.
0 : Disables w riting
1 : Enables w riting
Writing to the PD0 register is enabled.
0 : Disables w riting
1 : Enables w riting
Writing to registers VCA2, VW0C, VW1C, and
VW2C is enabled.
0 : Disables w riting
1 : Enables w riting
Set to 0.
When read, the content is 0.
(1)
After Reset
Function
00h
11. Protection
RW
RW
RW
RW
RW
RW
RO
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