R5F21324ANSP#U1 Renesas Electronics America, R5F21324ANSP#U1 Datasheet - Page 553
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 523 of 583
30.7.1.3
30.7.1.4
30.7.1.5
30.7.1.6
30.7.1.7
30.7.1.8
To set one of the following bits to 1, first write 0 and then 1 immediately. Do not generate an interrupt between
writing 0 and writing 1.
•
•
•
To set one of the following bits to 0, first write 1 and then 0 immediately. Do not generate an interrupt between
writing 1 and writing 0.
•
In EW0 Mode, if the supply voltage drops while rewriting any block in which a rewrite control program is
stored, it may not be possible to rewrite the flash memory because the rewrite control program cannot be
rewritten correctly. In this case, use standard serial I/O mode.
Do not write additions to the already programmed address.
Do not enter stop mode or wait mode during erase-suspend.
If the FST7 in the FST register is set to 0 (busy (during programming or erasure execution), do not enter to stop
mode or wait mode.
To perform programming and erasure, use VCC = 2.7 V to 5.5 V as the supply voltage. Do not perform
programming and erasure at less than 2.7 V.
Do not execute the block blank check command during erase-suspend.
The FMR01 bit or FMR02 bit in the FMR0 register
The FMR13 bit in the FMR1 register
The FMR20 bit, FMR22 bit, or FMR 27 bit in the FMR2 register
The FMR14 bit, FMR15 bit, FMR16 bit, or FMR17 bit in the FMR1 register
How to Access
Rewriting User ROM Area
Entering Stop Mode or Wait Mode
Programming and Erasure Voltage for Flash Memory
Block Blank Check
Preliminary specification
Specifications in this manual are tentative and subject to change.
Programming
Nov 05, 2008
30. Flash Memory
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