R5F21102DFP#U0 Renesas Electronics America, R5F21102DFP#U0 Datasheet - Page 164
R5F21102DFP#U0
Manufacturer Part Number
R5F21102DFP#U0
Description
IC R8C MCU FLASH 8K 32LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/R8C/Tiny/10r
Datasheets
1.R5F211A2SPU0.pdf
(300 pages)
2.R5F21102FPU0.pdf
(30 pages)
3.R5F21102FPU0.pdf
(201 pages)
Specifications of R5F21102DFP#U0
Core Processor
R8C
Core Size
16-Bit
Speed
16MHz
Connectivity
SIO, UART/USART
Peripherals
LED, WDT
Number Of I /o
22
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
For Use With
R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521134EPB00 - KIT EMULATOR PROBE FOR PC7501R0E521134CPE00 - EMULATOR COMPACT R8C/13
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Manufacturer
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R8C/10 Group
Rev.1.20 Jan 27, 2006
REJ09B0019-0120
Figure 17.10 Block Erase Flow Chart (When Not Using Erase-suspend Function)
• Block Erase
Write ‘20
cycle, and an auto erase operation (erase and verify) will start.
Check the FMR00 bit in the FMR0 register to see if auto erasing has finished.
The FMR00 bit is “0” during auto erasing and set to “1” when auto erasing is completed.
Check the FMR07 bit in the FMR0 register after auto erasing has finished, and the result of auto
erasing can be known. (Refer to Section 17.4.5, “Full Status Check.”)
When the FMR02 bit in the FMR0 register is set to “0” (rewrite disabled), the Block Erase command
on the Block0 and Block1 is not accepted.
Figure 17.10 shows an example of a block erase flowchart when the erase-suspend function is not
used. Figure 17.11 shows an example of a block erase flowchart when the erase-suspend function is
used.
In EW1 mode, do not execute this command on any address at which the rewrite control program is
located.
In EW0 mode, the microcomputer goes to read status register mode at the same time auto erasing
starts, making it possible to read the status register. The status register bit 7 (SR7) is cleared to “0” at
the same time auto erasing starts, and set back to “1” when auto erasing finishes. In this case, the
microcomputer remains in read status register mode until the Read Array command is written next.
16
’ in the first bus cycle and write ‘D0
page 152 of 180
Write the command code ‘20
Write ‘D0
Block erase completed
Full status check
16
FMR00=1?
address
’ to the given block
Start
YES
16
’ to the given address of a block in the second bus
NO
16
’
17.4 CPU Rewrite Mode
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