R5F21324ANSP#U1 Renesas Electronics America, R5F21324ANSP#U1 Datasheet - Page 543
R5F21324ANSP#U1
Manufacturer Part Number
R5F21324ANSP#U1
Description
MCU 1KB FLASH 16K ROM 20-LSSOP
Manufacturer
Renesas Electronics America
Series
R8C/3x/32Ar
Datasheet
1.R5F21322ANSPU1.pdf
(629 pages)
Specifications of R5F21324ANSP#U1
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
15
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
20-LSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Under development
R8C/32A Group
REJ09B0458-0020 Rev.0.20
Page 513 of 583
Figure 30.14
30.4.11.7 Block Blank Check Command
This command is used to confirm that all addresses in any block are blank data FFh.
When 25h is written in the first bus cycle and D0h is written in the second bus cycle to any block address, blank
checking starts in the specified block. The FST7 bit in the FST register can be used to confirm whether blank
checking has completed. The FST7 bit is set to 0 during the blank-check period and set to 1 when blank
checking completes.
After blank checking has completed, the blank-check result can be confirmed by the FST5 bit in the FST
register. (Refer to 30.4.12 Full Status Check.).
Do not execute the block blank check command when the FST6 bit is set to 1 (during erase-suspend).
Figure 30.14 shows a Block Blank Check Flowchart.
Write the command code 25h
Write D0h to the starting
block address
Block Blank Check Flowchart
Preliminary specification
Specifications in this manual are tentative and subject to change.
FST7 = 1?
FST5 = 0?
Blank
Start
Yes
Yes
Nov 05, 2008
No
No
Not blank
FST5, FST7: Bits in FST register
30. Flash Memory
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