參數(shù)資料
型號： MB90F349CES
廠商： Fujitsu Limited
英文描述： 16-bit Microcontroller
中文描述： 16位微控制器
文件頁數(shù)： 24/84頁
文件大?。?/td> 1098K
代理商： MB90F349CES
MB90340E Series
24
13. Stabilization of power supply voltage
A sudden change in the supply voltage may cause the device to malfunction even within the V
CC
supply voltage
operating range. Therefore, the V
CC
supply voltage should be stabilized. For reference, the supply voltage should
be controlled so that V
CC
ripple variations (peak- to-peak values) at commercial frequencies (50 MHz/60 MHz)
fall below 10
%
of the standard V
CC
supply voltage and the coefficient of fluctuation does not exceed 0.1 V/ms at
instantaneous power switching.
14. Port 0 to Port 3 Output During Power-on (External-bus Mode)
As shown below, when the power is turned on in External-Bus mode, there is a possibility that output signal of
Port 0 to Port 3 might be unstable irrespective of the reset input.
15. Notes on Using the CAN Function
To use the CAN function, please set the DIRECT bit of the CAN Direct Mode Register (CDMR) to 1.
16. Flash Security Function (except for MB90F346E)
A 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.
Refer to following table for the address of the security bit.
Flash memory size
Address of the security bit
MB90F347E
Embedded 1 Mbit Flash Memory
FE0001
H
MB90F342E
MB90F349E
Embedded 2 Mbits Flash Memory
FC0001
H
MB90F343E
Embedded 3 Mbits Flash Memory
F90001
H
MB90F345E
Embedded 4 Mbits Flash Memory
F80001
H
Port0 to Port
3
o
u
tp
u
t
s
might
b
e
u
n
s
t
ab
le
Port0 to Port
3
o
u
tp
u
t
s
= Hi-Z
Port0 to Port
3
V
CC
1/2V
CC
相關(guān)PDF資料
PDF描述
MB90F349E 16-bit Microcontroller
MB90F349ES 16-bit Microcontroller
MB90F342CEPF 16-bit Microcontroller
MB90F342CEPFV 16-bit Microcontroller
MB90F342CES 16-bit Microcontroller
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