R5F21236JFP Renesas Electronics America, R5F21236JFP Datasheet - Page 98
R5F21236JFP
Manufacturer Part Number
R5F21236JFP
Description
MCU 3/5V 32K+2K 48-LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/R8C/Tiny/23r
Datasheet
1.R5F21237DFPU0.pdf
(551 pages)
Specifications of R5F21236JFP
Core Processor
R8C
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, Voltage Detect, WDT
Number Of I /o
41
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
For Use With
RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5F21236JFP
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Company:
Part Number:
R5F21236JFP#U1
Manufacturer:
Renesas Electronics America
Quantity:
135
Company:
Part Number:
R5F21236JFP#U1
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Company:
Part Number:
R5F21236JFP#V0
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 98 of 551
- Download datasheet (6Mb)
R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Figure 10.5
High-Speed On-Chip Oscillator Control Register 0
High-Speed On-Chip Oscillator Control Register 1
b7 b6 b5 b4
NOTES:
b7
NOTES:
0 0 0 0
1.
2.
3.
1.
2.
Set the PRC0 bit in the PRCR register to 1 (enables w riting) before rew riting to the FRA0 register.
Change the FRA01 bit under the follow ing conditions.
• FRA00 = 1 (high-speed on-chip oscillation)
• The CM14 bit in the CM1 register = 0 (low -speed on-chip oscillator on)
• Bits FRA22 to FRA20 in the FRA2 register
When setting the FRA01 bit to 0 (selects low -speed on-chip oscillator), do not set the FRA00 bit to 0 (40MHz on-chip
oscillator off) at the same time.
Set the FRA00 bit to 0 after setting the FRA01 bit to 0.
Set the PRC0 bit in the PRCR register to 1 (w rite enable) before rew riting to the FRA1 register.
When adjusting the FRA1 register, set the value of the FRA1 register to 40 MHz and below .
When changing the values of the FRA1 register, adjust the FRA1 register so that the frequency of the high-speed
on-chip oscillator clock w ill be 40 MHz or less.
All divide ratio mode settings are supported w hen VCC = 3.0 V to 5.5 V (D, J version)
Divide ratio of 4 or more w hen VCC = 2.7 V to 5.5 V and K version
b3 b2 b1 b0
0 0
Registers FRA0 and FRA1
b0
The frequency of high-speed on-chip oscillator is adjusted w ith bits 0 to 7.
High-speed on-chip oscillator frequency = 40 MHz (FRA1 register = value w hen shipping)
Set the value of the FRA1 register to smaller, the frequency w ill be higher
Set the value of the FRA1 register to larger, the frequency w ill be low er
Bit Symbol
(b7-b2)
Symbol
FRA00
FRA01
Symbol
FRA0
FRA1
Page 76 of 501
—
High-speed on-chip oscillator enable
bit
High-speed on-chip oscillator select
bit
Reserved bits
(2)
Address
Bit Name
Address
0023h
0024h
(1)
(1)
Function
0 : High-speed on-chip oscillator off
1 : High-speed on-chip oscillator on
0 : Selects low -speed on-chip oscillator
1 : Selects high-speed on-chip oscillator
Set to 0
When Shipping
After Reset
After Reset
Function
00h
(2)
10. Clock Generation Circuit
010b to 111b
000b to 111b
(3)
RW
RW
RW
RW
RW
RW
Related parts for R5F21236JFP
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: