R5F21237KFP#U0 Renesas Electronics America, R5F21237KFP#U0 Datasheet - Page 465
R5F21237KFP#U0
Manufacturer Part Number
R5F21237KFP#U0
Description
IC R8C/23 MCU FLASH 48LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/23r
Datasheet
1.R5F21237DFPU0.pdf
(551 pages)
Specifications of R5F21237KFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
16MHz
Connectivity
CAN, I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, Voltage Detect, WDT
Number Of I /o
41
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
2.5K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
48-LQFP
For Use With
RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21237KFP#U0R5F21237KFP#U1
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
20.6
20.6.1
Parallel I/O mode is used to input and output the required software command, address and data parallel to controls
(read, program and erase) for internal flash memory. Use a parallel programmer which supports this MCU. Contact
the manufacturer of your parallel programmer about the parallel programmer and refer to the user’s manual of your
parallel programmer for details on how to use it.
User ROM area can be rewritten shown in Figure 20.1 and Figure 20.2 in parallel I/O mode.
The ROM code protect function disables to read and rewrite the flash memory. (Refer to 20.3 Functions to
Prevent Rewriting of Flash Memory.)
Parallel I/O Mode
ROM Code Protect Function
Page 443 of 501
20. Flash Memory
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