R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 680

• Manufacturer Part Number: R5F21346CNFP#U0
• Description: MCU 1KB FLASH 32K ROM 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/34Cr

Specifications of R5F21346CNFP#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: 43
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K 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: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/34C Group
REJ09B0586-0100 Rev.1.00 Jan 13, 2010
Page 647 of 723
Figure 31.16
Note:
1. To rewrite to the address where the program error occurs, ensure that
the full status check completes normally and write to the address
after the block erase command is executed.
Full status check completed
Full status check
FST5 = 1?
FST5 = 1?
FST4 = 1?
FST4 = 1
and
No
No
Full Status Check and Handling Procedure for Individual Errors
No
Yes
Yes
Yes
Command sequence error
blank check error
Program error
Erase error/
Execute the clear status register command
Execute the clear status register command
Execute the clear status register command
Check if the command is properly input
Specify an address other than the write
Re-execute the block erase command
Re-execute the program command
address where the error occurs
Re-execution times ≤ 3 times?
Is the command executed on
Is the command executed on
Re-execute the command
(Set bits FST4 and FST5
(Set bits FST4 and FST5
(Set bits FST4 and FST5
Command sequence error
Is the lock bit disabled?
Is the lock bit disabled?
as the program address
the data flash area?
the data flash area?
in the FST register to 0)
in the FST register to 0)
in the FST register to 0)
blank check error
Erase command
Program error
Erase error/
or
or
Yes
Yes
Yes
(1)
No
No
No
FST4, FST5: Bits in FST register
FMR13: Bits in FMR1 register
The erasure target block
Set FMR13 bit to 1
Set FMR13 bit to 1
cannot be used
31. Flash Memory