R5F211B1SP#U0 Renesas Electronics America, R5F211B1SP#U0 Datasheet - Page 282
R5F211B1SP#U0
Manufacturer Part Number
R5F211B1SP#U0
Description
IC R8C MCU FLASH 4K 20SSOP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/R8C/Tiny/1Br
Datasheets
1.R5F211A2SPU0.pdf
(51 pages)
2.R5F211A2SPU0.pdf
(300 pages)
3.R5F211A2SPU0.pdf
(341 pages)
Specifications of R5F211B1SP#U0
Core Processor
R8C
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SIO, SSU, UART/USART
Peripherals
LED, POR, Voltage Detect, WDT
Number Of I /o
13
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
384 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
20-SSOP
For Use With
R0K5211B4S001BE - KIT STARTER FOR R8C/18191A1BR0K5211B4S000BE - KIT DEV EVALUATION R8C/1BR0E521174CPE10 - EMULATOR COMPACT R8C/18/19/1
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/1A Group, R8C/1B Group
Rev.1.30
REJ09B0252-0130
Figure 18.14
18.4.3.5
When 20h is written in the first bus cycle and D0h is written to a given address of a block in the second bus
cycle, an auto-erase operation (erase and verify) of the specified block starts.
The FMR00 bit in the FMR0 register can be used to determine whether auto-erasure has completed.
The FMR00 bit is set to 0 during auto-erasure and set to 1 when auto-erasure completes.
The FMR07 bit in the FMR0 register can be used to determine the result of auto-erasure after auto-erasure has
completed. (Refer to 18.4.5 Full Status Check.)
When the FMR02 bit in the FMR0 register is set to 0 (rewriting disabled) or the FMR02 bit is set to 1 (rewriting
enabled) and the FMR15 bit in the FMR1 register is set to 1 (rewriting disabled), the block erase commands
targeting block 0 are not acknowledged. When the FMR16 bit is set to 1 (rewriting disabled), the block erase
commands targeting block 1 are not acknowledged.
Do not use the block erase command during program-suspend.
Figure 18.14 shows the Block Erase Command (When Erase-Suspend Function Disabled). Figure 18.15 shows
the Block Erase Command (When Erase-Suspend Function Enabled).
In EW1 mode, do not execute this command for any address to which a rewrite control program is allocated.
In EW0 mode, the MCU enters read status register mode at the same time auto-erasure starts and the status
register can be read. The status register bit 7 (SR7) is set to 0 at the same time auto-erasure starts and set back to
1 when auto-erasure completes. In this case, the MCU remains in read status register mode until the next read
array command is written.
Dec 08, 2006
Block Erase
Block Erase Command (When Erase-Suspend Function Disabled)
Page 264 of 315
Write the command code 20h
Write D0h to a given block
Block erase completed
Full status check
FMR00 = 1?
address
Start
Yes
No
18. Flash Memory
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