R5F211B1SP#U0 Renesas Electronics America, R5F211B1SP#U0 Datasheet - Page 284
![IC R8C MCU FLASH 4K 20SSOP](/photos/12/35/123585/r5f211b1sp_u0_sml.jpg)
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
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
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R8C/1A Group, R8C/1B Group
Rev.1.30
REJ09B0252-0130
18.4.4
Table 18.5
D0 to D7: Indicate the data bus which is read when the read status register command is executed.
Bits FMR07 (SR5) to FMR06 (SR4) are set to 0 by executing the clear status register command.
When the FMR07 bit (SR5) or FMR06 bit (SR4) is set to 1, the program and block erase commands cannot
be accepted.
SR0 (D0)
SR1 (D1)
SR2 (D2)
SR3 (D3)
SR4 (D4)
SR5 (D5)
SR6 (D6)
SR7 (D7)
18.4.4.1
18.4.4.2
18.4.4.3
The status register indicates the operating status of the flash memory and whether an erase or program operation
has completed normally or in error. Status of the status register can be read by bits FMR00, FMR06, and
FMR07 in the FMR0 register.
Table 18.5 lists the Status Register Bits.
In EW0 mode, the status register can be read in the following cases:
The sequencer status bits indicate the operating status of the flash memory. SR7 is set to 0 (busy) during
auto-programming and auto-erasure, and is set to 1 (ready) at the same time the operation completes.
Refer to 18.4.5 Full Status Check.
Refer to 18.4.5 Full Status Check.
Register
Status
•
•
Dec 08, 2006
Bit
When a given address in the user ROM area is read after writing the read status register command
When a given address in the user ROM area is read after executing program or block erase command but
before executing the read array command.
Status Register
Sequencer Status (Bits SR7 and FMR00)
Erase Status (Bits SR5 and FMR07)
Program Status (Bits SR4 and FMR06)
Status Register Bits
−
−
−
−
FMR06
FMR07
−
FMR00
Register
Page 266 of 315
FMR0
Bit
Reserved
Reserved
Reserved
Reserved
Program status Completed
Erase status
Reserved
Sequencer
status
Status Name
−
−
−
−
normally
Completed
normally
−
Busy
0
Description
−
−
−
−
Error
Error
−
Ready
1
−
−
−
−
0
0
−
1
18. Flash Memory
Reset
Value
after
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