M30620FCAFP#D5 Renesas Electronics America, M30620FCAFP#D5 Datasheet - Page 608

IC M16C MCU FLASH 128K 100LQFP

M30620FCAFP#D5

Manufacturer Part Number
M30620FCAFP#D5
Description
IC M16C MCU FLASH 128K 100LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/60r
Datasheets

Specifications of M30620FCAFP#D5

Core Processor
M16C/60
Core Size
16-Bit
Speed
16MHz
Connectivity
SIO, UART/USART
Peripherals
DMA, PWM, WDT
Number Of I /o
85
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
10K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 10x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-

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Appendix 5
Appendix 5 Countermeasures against noise
1.1 Shortest wiring length
Countermeasures against noise are described below. The following countermeasures are generally effec-
tive as countermeasures against noise, however, it is necessary not only to take measures as follows but to
evaluate before actual use.
Figure 1.1.1. Selection of packages
Figure 1.1.2. Wiring for RESET pin
The wiring on a printed circuit board can function as an antenna which feeds noise into the microcomputer.
The shorter the total wiring length (by mm unit), the less the possibility of noise insertion into a microcom-
puter.
1.1.1 Package
1.1.2 Wiring for RESET pin
Select the smallest possible package to make the total wiring length short.
The wiring length depends on a microcomputer package. Use of a small package, for example QFP and
not DIP, makes the total wiring length short to reduce influence of noise.
Make the length of wiring which is connected to the RESET pin as short as possible. Especially, connect
a capacitor across the RESET pin and the V
20mm).
The width of a pulse input into the RESET pin is determined by the timing necessary conditions. If noise
having a shorter pulse width than the standard is input to the RESET pin, the reset is released before the
internal state of the microcomputer is completely initialized. This may cause a program runaway.
Reason
Reason
Reset
circuit
V
SS
____________
N.G.
Noise
____________
__________
DIP
RESET
V
SS
____________
SDIP
SS
pin or reset IC with the shortest possible wiring (within
____________
SOP
____________
QFP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Reset
circuit
O.K.
V
SS
RESET
V
SS
M16C / 62A Group
Mitsubishi microcomputers
2-289

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