R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 455
R5F21238DFP#U0
Manufacturer Part Number
R5F21238DFP#U0
Description
IC R8C/23 MCU FLASH 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/23r
Specifications of R5F21238DFP#U0
Core Size
16/32-Bit
Program Memory Size
64KB (64K x 8)
Peripherals
POR, Voltage Detect, WDT
Core Processor
R8C
Speed
20MHz
Connectivity
CAN, I²C, LIN, SIO, SSU, UART/USART
Number Of I /o
41
Program Memory Type
FLASH
Ram Size
3K 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
No. Of I/o's
41
Ram Memory Size
3KB
Cpu Speed
20MHz
No. Of Timers
4
Digital Ic Case Style
LQFP
Embedded Interface Type
CAN, I2C, UART
Rohs Compliant
Yes
Cpu Family
R8C
Device Core Size
16b
Frequency (max)
20MHz
Interface Type
I2C/UART
Total Internal Ram Size
3KB
# I/os (max)
41
Number Of Timers - General Purpose
5
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
3V
On-chip Adc
12-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
48
Package Type
LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0K521237S000BE - KIT DEV RSK R8C/23R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
Eeprom Size
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Figure 20.13
EW0 Mode
EW1 Mode
NOTES:
1. In EW0 mode, the interrupt vector table and interrupt routine for interrupts to be used should be allocated to the RAM area.
2. td(SR-SUS) is needed until the interrupt request is acknowledged after it is generated. The interrupt to enter suspend
3. When no interrupt is used, the instruction to enable interrupts is not needed.
4. td(SR-SUS) is needed until program is suspended after the FMR42 bit in the FMR4 register is set to 1.
Program Command (When Suspend Function Enabled)
should be in interrupt enabled status.
Write data to the write address
Write data to the write address
Write the command code 40h
Write the command code 40h
I = 1 (enable interrupt)
I = 1 (enable interrupt)
Page 433 of 501
Program completed
Program completed
to the write address
Full status check
Full status check
FMR44 = 0 ?
FMR44 = 0 ?
FMR40 = 1
FMR40 = 1
FMR42 = 0
Start
Start
Yes
Yes
(3)
No
No
Access flash memory
Access flash memory
Maskable interrupt
Maskable interrupt
FMR44 = 1 ?
FMR42 = 1
FMR46 = 1 ?
FMR42 = 0
REIT
REIT
Yes
Yes
(4)
(1)
(2)
No
No
Access flash memory
20. Flash Memory
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