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參數(shù)資料
| 型號： | MB90860E |
| 廠商： | Fujitsu Limited |
| 英文描述： | 16-bit Proprietary Microcontroller |
| 中文描述： | 16位微控制器專有 |
| 文件頁數(shù)： | 23/67頁 |
| 文件大?。?/td> | 981K |
| 代理商： | MB90860E |
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MB90860E Series
23
13. Stabilization of power supply voltage
A sudden change in the supply voltage may cause the device to malfunction even within the specified V
CC
supply
voltage operating range. Therefore, the V
CC
supply voltage should be stabilized.
For the reference, stabilize the supply voltage by setting the following value.
V
CC
ripple variations (peak-to-peak value) at commercial frequencies (50 Hz/60 Hz) fall below 10
%
of the
standard V
CC
supply voltage
The coefficient of fluctuation does not exceed 0.1 V/ms at instantaneous power switching.
14. Initialization
In the device, there are internal registers which are initialized only by a power-on reset. To initialize these registers,
turn on the power again.
15. Port 0 to port 3 output during Power-on (External-bus mode)
As shown below, when power is turned on in External-Bus mode, in spite of reset input, there is a possibility that
output signal of Port 0 to Port 3 might be unstable.
16. Flash security Function
The security bit is located in the area of the flash memory.
If protection code 01
H
is written in the security bit, the flash memory is in the protected state by security.
Therefore please do not write 01
H
in this address if you do not use the security function.
Please refer to following table for the address of the security bit.
Flash memory size
Address for security bit
MB90F867E(S)
Embedded 1 Mbit Flash Memory
FE0001
H
Port 0 to Port
3
o
u
tp
u
t
s
might
b
e
u
n
s
t
ab
le
Port 0 to Port
3
o
u
tp
u
t
s
= Hi-Z
Port 0 to Port
3
V
CC
1/2V
CC
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MB90867E | 16-bit Proprietary Microcontroller CMOS |
| MB90867EPF | 16-bit Proprietary Microcontroller CMOS |
| MB90867EPFV | 16-bit Proprietary Microcontroller CMOS |
| MB90867ES | 16-bit Proprietary Microcontroller CMOS |
| MB90867ESPF | 16-bit Proprietary Microcontroller CMOS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB90867A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit general-purpose microcontroller |
| MB90867APF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit general-purpose microcontroller |
| MB90867APFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit general-purpose microcontroller |
| MB90867AS | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller CMOS |
| MB90867ASPF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit general-purpose microcontroller |
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