R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 684
R5F21346CNFP#U0
Manufacturer Part Number
R5F21346CNFP#U0
Description
MCU 1KB FLASH 32K ROM 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/34Cr
Datasheet
1.R5F21346CNFPU0.pdf
(759 pages)
Specifications of R5F21346CNFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, PWM, Voltage Detect, WDT
Number Of I /o
43
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/34C Group
REJ09B0586-0100 Rev.1.00 Jan 13, 2010
Page 651 of 723
31.6
31.6.1
Parallel I/O mode is used to input and output software commands, addresses and data necessary to control (read,
program, and erase) the on-chip flash memory.
Use a parallel programmer which supports the MCU. Contact the parallel programmer manufacturer for more
information. Refer to the user’s manual included with your parallel programmer for instructions.
In parallel I/O mode, the user ROM areas shown in Figure 31.1 can be rewritten.
The ROM code protect function prevents the flash memory from being read and rewritten. (Refer to the 31.3.2
ROM Code Protect Function.)
Parallel I/O Mode
ROM Code Protect Function
31. Flash Memory
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