參數(shù)資料
型號: MB90F488BPMC
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 14 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-100
文件頁數(shù): 109/124頁
文件大?。?/td> 3283K
代理商: MB90F488BPMC
MB90480B/485B Series
DS07-13722-11E
85
(Continued)
Note that when the microcontroller drive current is low, such as in the power saving modes, the + B input
potential may pass through the protective diode and increase the potential at the VCC pin, and this may affect
other devices.
Note that if a + B signal is input when the microcontroller power supply is off (not fixed at 0 V) , the power
supply is provided from the pins, so that incomplete operation may result.
Note that if the + B input is applied during power-on, the power supply is provided from the pins and the
resulting supply voltage may not be sufficient to operate the power-on reset.
Care must be taken not to leave the + B input pin open.
Note that analog system input/output pins other than the A/D input pins (LCD drive pins, comparator input
pins, etc.) cannot accept
+ B signal input.
Sample recommended circuits:
*8 : MB90485B series only
P20 to P27, P30 to P37, P40 to P47, P70 to P77 pins can be used as 5 V I/F pin on applied 5 V to VCC5 pin.
P76 and P77 is N-ch open drain pin.
*9 : As for P76 and P77 (N-ch open drain pin) , even if using at 3 V simplicity (VCC3
= VCC5) , the ratings are applied.
WARNING: Semiconductor devices can be permanently damaged by application of stress (voltage, current,
temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings.
P-ch
N-ch
VCC
R
Protective diode
Limiting
resistance
+ B input (0 V to 16 V)
Input/Output Equivalent circuits
相關(guān)PDF資料
PDF描述
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