R5F21162SP#U0 Renesas Electronics America, R5F21162SP#U0 Datasheet - Page 224

• Manufacturer Part Number: R5F21162SP#U0
• Description: IC R8C MCU FLASH 8K 20SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/16r

Specifications of R5F21162SP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SIO, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• 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 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• For Use With: R0K521134S000BE - KIT EVAL STARTER FOR R8C/13
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/16 Group, R8C/17 Group
Rev.2.10
REJ09B0169-0210
Figure 18.11
18.4.3.4
The program command writes data to the flash memory in 1-byte units.
Write “40h” in the first bus cycle and write data to the write address in the second bus cycle, and an
auto program operation (data program and verify) will start. Make sure the address value specified in
the first bus cycle is the same address as the write address specified in the second bus cycle.
The FMR00 bit in the FMR0 register can determine whether auto programming has completed. The
FMR00 bit is set to “0” during auto programming and set to “1” when auto programming completes.
The FMR06 bit in the FMR0 register can determine the result of auto programming after it has been
finished. (Refer to 18.4.5 Full Status Check )
Do not write additions to the already programmed address.
When the FMR02 bit in the FMR0 register is set to “0” (disable rewriting), or the FMR02 bit is set to
“1” (rewrite enables) and the FMR15 bit in the FMR1 register is set to “1” (disable rewriting), the
program command on Block 0 is not acknowledged. When the FMR16 bit is set to “1” (disable
rewriting), the program command on Block 1 is not acknowledged.
In EW1 mode, do not execute this command on any address at which the rewrite control program is
allocated.
In EW0 mode, the microcomputer enters read status register mode at the same time auto
programming starts and the status register can be read. The status register bit 7 (SR7) is set to “0” at
the same time auto programming starts and set back to “1” when auto programming completes. In
this case, the microcomputer remains in read status register mode until a read array command is
written next. Reading the status register can determine the result of auto programming after auto
programming has completed.
Jan 19, 2006
Program Command
Program Command
Page 209 of 254
Write the command code ‘40h’ to
Write data to the write address
Program completed
the write address
Full status check
FMR00=1?
Start
Yes
No
18. Flash Memory Version