R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 679
R5F21346CNFP#U0
Manufacturer Part Number
R5F21346CNFP#U0
Description
MCU 1KB FLASH 32K ROM 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/34Cr
Datasheet
1.R5F21346CNFPU0.pdf
(759 pages)
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
-
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R8C/34C Group
REJ09B0586-0100 Rev.1.00 Jan 13, 2010
Page 646 of 723
31.4.12 Full Status Check
Table 31.6
Note:
1
1
0
1. When FFh is written in the second bus cycle of these commands, the MCU enters read array mode.
FST Register Status
FST5
If an error occurs, bits FST4 and FST5 in the FST register are set to 1, indicating the occurrence of an error. The
execution result can be confirmed by checking these status bits (full status check).
Table 31.6 lists the Errors and FST Register Status. Figure 31.16 shows the Full Status Check and Handling
Procedure for Individual Errors.
At the same time, the command code written in the first bus cycle is invalid.
1
0
1
Errors and FST Register Status
FST4
Command
sequence error
Erase error
Blank check error When the block blank check command is executed and
Program error/
lock bit program
error
Error
• When a command is not written correctly.
• When data other than valid data (i.e., D0h or FFh) is
• The erase command is executed during suspend
• The command is executed to the block during suspend
When the block erase command is executed, but auto-
erasure does not complete correctly.
data other than blank data FFh is read.
When the program command is executed, but auto-
programming does not complete correctly.
written in the second bus cycle of the block erase
command
(1)
.
Error Occurrence Condition
31. Flash Memory
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