R5F21102DFP#U0 Renesas Electronics America, R5F21102DFP#U0 Datasheet - Page 185
R5F21102DFP#U0
Manufacturer Part Number
R5F21102DFP#U0
Description
IC R8C MCU FLASH 8K 32LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/R8C/Tiny/10r
Datasheets
1.R5F211A2SPU0.pdf
(300 pages)
2.R5F21102FPU0.pdf
(30 pages)
3.R5F21102FPU0.pdf
(201 pages)
Specifications of R5F21102DFP#U0
Core Processor
R8C
Core Size
16-Bit
Speed
16MHz
Connectivity
SIO, UART/USART
Peripherals
LED, WDT
Number Of I /o
22
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 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
For Use With
R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521134EPB00 - KIT EMULATOR PROBE FOR PC7501R0E521134CPE00 - EMULATOR COMPACT R8C/13
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 185 of 201
- Download datasheet (2Mb)
R8C/10 Group
Rev.1.20 Jan 27, 2006
REJ09B0019-0120
19.8 Noise
(1) Bypass Capacitor between V
(2) Port Control Registers Data Read Error
(3) CNVss Pin Wiring
Insert a bypass capacitor (at least 0.1 µF) between V
noise and latch-up. The connecting wires must be the shortest and widest possible.
During severe noise testing, mainly power supply system noise, and introduction of external noise, the
data of port related registers may changed. As a firmware countermeasure, it is recommended to
periodically reset the port registers, port direction registers and pull-up control registers. However, you
should fully examine before introducing the reset routine as conflicts may be created between this
reset routine and interrupt routines (i. e. ports are switched during interrupts).
In order to improve the pin tolerance to noise, insert a pull down resistance (about 5 k ) between
CNVss and Vss, and placed as close as possible to the CNVss pin.
page 173 of 180
CC
and V
SS
Pins
CC
and V
SS
pins as the countermeasures against
19. Usage Notes
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