R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 137
R5F21334CNFP#U0
Manufacturer Part Number
R5F21334CNFP#U0
Description
MCU 1KB FLASH 16K ROM 32-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/33Cr
Datasheet
1.R5F21331CNFPU0.pdf
(622 pages)
Specifications of R5F21334CNFP#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
27
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21334CNFP#U0R5F21334CNFP#V2
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 137 of 622
- Download datasheet (7Mb)
R8C/33C Group
REJ09B0570-0100 Rev.1.00 Dec. 14, 2009
Page 107 of 589
9.2.8
9.2.9
After Reset
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 0025h
Address 0028h
Set the PRC0 bit in the PRCR register to 1 (write enabled) before rewriting the FRA2 register.
Symbol
Symbol
Symbol
Symbol
FRA20 High-speed on-chip oscillator frequency
FRA21
FRA22
CPSR
Bit
Bit
High-Speed On-Chip Oscillator Control Register 2 (FRA2)
Clock Prescaler Reset Flag (CPSRF)
—
—
—
—
—
—
—
—
—
—
—
—
CPSR
b7
b7
—
0
0
switching bit
Reserved bits
Reserved bits
Clock prescaler reset flag
b6
b6
—
—
0
0
Bit Name
Bit Name
b5
—
b5
—
0
0
b4
b4
—
—
0
0
Set to 0.
Setting this bit to 1 initializes the clock prescaler.
(When read, the content is 0.)
b3
b3
—
—
0
0
Division selection
These bits select the division ratio for the high-
speed on-chip oscillator clock.
b2 b1 b0
Set to 0.
0 0 0: Divide-by-2 mode
0 0 1: Divide-by-3 mode
0 1 0: Divide-by-4 mode
0 1 1: Divide-by-5 mode
1 0 0: Divide-by-6 mode
1 0 1: Divide-by-7 mode
1 1 0: Divide-by-8 mode
1 1 1: Divide-by-9 mode
FRA22
b2
b2
—
0
0
Function
FRA21
Function
b1
b1
—
0
0
9. Clock Generation Circuit
FRA20
b0
b0
—
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Related parts for R5F21334CNFP#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: