參數(shù)資料
型號： M38034M4-XXXFP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PQFP64
封裝： 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-64
文件頁數(shù)： 21/138頁
文件大?。?/td> 1887K
代理商： M38034M4-XXXFP
Rev.4.01
Nov 14, 2003
page 115 of 136
3803/3804 Group
NOTES ON USAGE
Handling of Power Source Pins
In order to avoid a latch-up occurrence, connect a capacitor suit-
able for high frequencies as bypass capacitor between power
source pin (VCC pin) and GND pin (VSS pin), and between power
source pin (VCC pin) and analog power source input pin (AVSS
pin). Besides, connect the capacitor to as close as possible. For
bypass capacitor which should not be located too far from the pins
to be connected, a ceramic capacitor of 0.01
F–0.1 F is recom-
mended.
Flash Memory Version
The CNVSS pin is connected to the internal memory circuit block
by a low-ohmic resistance, since it has the multiplexed function to
be a programmable power source pin (VPP pin) as well.
To improve the noise reduction, connect a track between CNVSS
pin and VSS pin or VCC pin with 1 to 10 k
resistance.
The mask ROM version track of CNVSS pin has no operational in-
terference even if it is connected to Vss pin or Vcc pin via a
resistor.
Electric Characteristic Differences Between
Mask ROM and Flash Memory Version MCUs
There are differences in electric characteristics, operation margin,
noise immunity,
and noise radiation between Mask ROM and Flash Memory ver-
sion MCUs due to the difference in the manufacturing processes.
When manufacturing an application system with the Flash
Memory version and then switching to use of the Mask ROM ver-
sion, please perform sufficient evaluations for the commercial
samples of the Mask ROM version.
DATA REQUIRED FOR MASK ORDERS
The following are necessary when ordering a mask ROM produc-
tion:
1.Mask ROM Confirmation Form
2.Mark Specification Form
3.Data to be written to ROM, in EPROM form (three identical cop-
ies)
For the mask ROM confirmation and the mark specifications, re-
fer to the “ Renesas Technology ” Homepage (http://
相關(guān)PDF資料
PDF描述
M38039MF-XXXFP 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PQFP64
M38047M6-XXXHP 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PQFP64
M38049FFSP 8-BIT, FLASH, 8.4 MHz, MICROCONTROLLER, PDIP64
M38037M8-XXXSP 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PDIP64
M38034M4-XXXHP 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PQFP64
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