R5F21217JFP#U0 Renesas Electronics America, R5F21217JFP#U0 Datasheet - Page 469
R5F21217JFP#U0
Manufacturer Part Number
R5F21217JFP#U0
Description
IC R8C/20 MCU FLASH 48LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/21r
Datasheet
1.R5F21216JFP.pdf
(503 pages)
Specifications of R5F21217JFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
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 ~ 85°C
Package / Case
48-LQFP
For Use With
R0E521237CPE00 - 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:
R5F21217JFP#U0R5F21217JFP
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
R5F21217JFP#U0R5F21217JFP#U1
Manufacturer:
Renesas Electronics America
Quantity:
135
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R8C/20 Group, R8C/21 Group
Rev.2.00 Aug 27, 2008
REJ09B0250-0200
21.9
21.9.1
21.9.2
Connect the bypass capacitor (at least 0.1 µF) using the shortest and thickest as possible.
During severe noise testing, mainly power supply system noise, and introduction of external noise, the data of
port related registers may be changed.
As a firmware countermeasure, it is recommended to periodically reset the port registers, port direction
registers and pull-up control registers. However, examine fully before introducing the reset routine as conflicts
may be created between this reset routine and interrupt routines.
Notes on Noise
Inserting a Bypass Capacitor between VCC and VSS Pins as a
Countermeasure against Noise and Latch-up
Countermeasures against Noise Error of Port Control Registers
Page 451 of 458
21. Usage Notes
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