參數(shù)資料
型號(hào)： MB90F523PFF
元件分類(lèi)： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 10 MHz, MICROCONTROLLER, PQFP120
封裝： PLASTIC, LQFP-120
文件頁(yè)數(shù)： 16/106頁(yè)
文件大?。?/td> 1541K
代理商： MB90F523PFF
MB90520 Series
17
s HANDLING DEVICES
1. Ensuring that the Voltage does not exceed the Maximum Rating (to Avoid a Latch-up).
In CMOS ICs, a latch-up phenomenon is caused when a voltage exceeding VCC or below VSS is applied to
input or output pins or if a voltage exceeding the rating is applied across VCC and VSS.
When a latch-up is caused, the power supply current may be dramatically increased, resulting in thermal
breakdown of devices. To avoid the latch-up, make sure that the voltage does not exceed the maximum rating.
In turning on/turning off the analog power supply, make sure the analog power voltages (AVCC, AVRH, DVCC)
and analog input voltages do not exceed the digital voltage (VCC).
And also make sure the voltages applied to the LCD power supply pins (V3 to V0) do not exceed the power
supply voltage (VCC).
2. Handling Unused Pins
Unused input pins left open may cause abnormal operation, or latch-up leading to permanent damage. Unused
input pins should be pulled-up or pull-down through at least 2 k
resistance.
Unused input/output pins may be left open in output state, but if such pins are in input state they should be
handled in the same way as input pins.
3. Notes on Using External Clock
In using the external clock, drive X0 pin only and leave X1 pin unconnected.
4. Unused Sub Clock Mode
If sub clock modes are not used, the oscillator should be connected to the X0A pin and X1A pin.
5. Power Supply Pins
In products with multiple Vcc or Vss pins, pins with the same potential are internally connected in the device to
avoid abnormal operations including latch-ups. However, the pins should be connected to external powers and
ground lines to lower the electro-magnetic emission level, to prevent abnormal operation of strobe signals caused
by the rise in the ground level, and to conform to the total current rating.
Make sure to connect Vcc and Vss pins via lowest impedance to power lines.
It is recommended that a bypass capacitor of around 0.1
F be placed between the Vcc and Vss pins near the
device.
Using external clock
X0
X1
Open
MB90520 series
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB90F543GPF-GE1 功能描述:IC MCU 16BIT 制造商:cypress semiconductor corp 系列:F2MC-16LX MB90540G 包裝:托盤(pán) 零件狀態(tài):在售 核心處理器:F2MC-16LX 核心尺寸:16-位 速度:16MHz 連接性:CAN，EBI/EMI，SCI，串行輸入/輸出，UART/USART 外設(shè):POR，WDT I/O 數(shù):81 程序存儲(chǔ)容量:128KB（128K x 8） 程序存儲(chǔ)器類(lèi)型:閃存 EEPROM 容量:- RAM 容量:6K x 8 電壓 - 電源（Vcc/Vdd）:4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x8/10b 振蕩器類(lèi)型:外部 工作溫度:-40°C ~ 105°C（TA） 封裝/外殼:100-BQFP 供應(yīng)商器件封裝:100-PQFP（20x14） 標(biāo)準(zhǔn)包裝:66
MB90F543GPFR-GE1 制造商:FUJITSU 功能描述:
MB90F543GSPFR-GE1 制造商:FUJITSU 功能描述:
MB90F543GSPMCR-GE1 制造商:FUJITSU 功能描述:
MB90F543PFR-GE1 制造商:FUJITSU 功能描述:
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