R5F21274SNFP#U0 Renesas Electronics America, R5F21274SNFP#U0 Datasheet - Page 390

IC R8C/27 MCU FLASH 32LQFP

R5F21274SNFP#U0

Manufacturer Part Number
R5F21274SNFP#U0
Description
IC R8C/27 MCU FLASH 32LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/27r
Datasheet

Specifications of R5F21274SNFP#U0

Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
LED, POR, Voltage Detect, WDT
Number Of I /o
25
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
32-LQFP
For Use With
R0K521276S000BE - KIT DEV RSK-R8C/26-29R0E521000EPB00 - PROBE EMULATOR FOR PC7501
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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Manufacturer:
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R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
Figure 19.15
EW0 Mode
EW1 Mode
NOTES:
Sep 26, 2008
1. In EW0 mode, the interrupt vector table and interrupt routine for interrupts to be used should be allocated to the RAM area.
2. td(SR-SUS) is needed until the interrupt request is acknowledged after it is generated. The interrupt to enter suspend
3. When no interrupt is used, the instruction to enable interrupts is not needed.
4. td(SR-SUS) is needed until erase is suspended after the FMR41 bit in the FMR4 register is set to 1.
should be in interrupt enabled status.
Block Erase Command (When Erase-Suspend Function Enabled)
Write the command code 20h
Write the command code 20h
I = 1 (enable interrupt)
Block erase completed
Block erase completed
Write D0h to any block
Write D0h to any block
I = 1 (enable interrupt)
Full status check
Full status check
FMR00 = 1 ?
FMR00 = 1 ?
Page 371 of 453
FMR40 = 1
FMR40 = 1
FMR41 = 0
address
address
Start
Start
Yes
Yes
(3)
No
No
Access flash memory
Access flash memory
Maskable interrupt
Maskable interrupt
FMR43 = 1 ?
FMR41 = 1
FMR46 = 1 ?
FMR41 = 0
REIT
REIT
Yes
Yes
(4)
(1)
(2)
No
No
Access flash memory
19. Flash Memory

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