R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 450

• 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

R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Figure 20.8
FMR00 bit in
FMR0 register
FMR46 bit in
FMR4 register
FMR44 bit in
FMR4 register
FMR43 bit in
FMR4 register
Figure 20.8 shows the Timing of Suspend Operation.
Timing of Suspend Operation
1
0
1
0
1
0
1
0
The above figure shows an example of the use of program-suspend during programming following erase-suspend.
NOTE:
1. If program-suspend is entered during erase-suspend, always restart programming.
Erase
starts
Page 428 of 501
During erase
Erase
suspends
Check that the
FMR43 bit is set to 1
(during erase
execution), and that
the erase operation
has not ended.
Remains 0 during suspend
Program
starts
During program
Remains 1 during suspend
Program
suspends
Check that the
FMR44 bit is set to 1
(during program
execution), and that
the program has not
ended.
Program
restarts
During program
Program
ends
Check the status,
and that the
program ends
normally.
Erase
restarts
During erase
20. Flash Memory
Erase
ends
Check the status,
and that the erase
operation ends
normally.