參數(shù)資料
型號(hào)： MB91F264BPFV-G
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 32-bit Proprietary Microcontroller CMOS
中文描述： 32-BIT, FLASH, 33 MHz, RISC MICROCONTROLLER, PQFP100
封裝： PLASTIC, LQFP-100
文件頁(yè)數(shù)： 18/60頁(yè)
文件大?。?/td> 720K
代理商： MB91F264BPFV-G
MB91260B Series
18
I
HANDLING DEVICES
Preventing Latchup
Latch-up may occur in a CMOS IC if a voltage greater than V
CC
or less than V
SS
is applied to an input or output
pin or if an above-rating voltage is applied between V
CC
and V
SS
.
A latchup, if it occurs, significantly increases the power supply current and may cause thermal destruction of an
element. When you use a CMOS IC, be very careful not to exceed the maximum rating.
Treatment of Unused Input Pins
Do not leave an unused input pin open, since it may cause a malfunction. Handle by, for example, using a pull-
up or pull-down resistor.
About power supply pins
In products with multiple V
CC
or V
SS
pins, the pins of the same potential are internally connected in the device
to avoid abnormal operations including latch-up. However you must connect the pins to external a same potential
power supply and a ground line 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.
The power pins should be connected to V
CC
and V
SS
of this device at the lowest possible impedance from the
current supply source.
It is also advisable to connect a ceramic bypass capacitor of approximately 0.1
μ
F between V
CC
and V
SS
near
this device.
About Crystal oscillator circuit
Noise near the X0 and X1 pin may cause the device to malfunction.
Design the circuit board so that X0 and X1, the crystal oscillator (or ceramic oscillator), and the bypass capacitor
to ground are located as close to the device as possible.
It is strongly recommended to design the PC board artwork with the X0 and XI pins surrounded by ground plane
because stable operation can be expected with such a layout.
Mode pins (MD0 to MD2)
These pins should be connected directly to V
CC
or V
SS
.
To prevent the device erroneously switching to test mode due to noise, design the printed circuit board such that
the distance between the mode pins and V
CC
or V
SS
is as short as possible and the connection impedance is low.
Operation at start-up
Be sure to execute setting initialized reset (INIT) with INIT pin immediately after start-up.
Also, in order to provide a delay while the oscillator circuit stabilize immediately after start-up, maintain the "L"
level input to the INIT pin for the required stabilization wait time.
(For INIT via the INIT pin, the oscillation stabilization wait time setting is initialized to the minimum value.)
About oscillation input at power on
When turning the power on, maintain clock input until the device is released from the oscillation stabilization
wait state.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB91F264BPFV-G-E1 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontroller CMOS
MB91F267 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontroller
MB91F267A 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontrollers
MB91F267APMC-G 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontrollers
MB91F267APMC-GE1 功能描述:IC MCU FLASH 128KB FLASH 64LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:FR MB91265A 標(biāo)準(zhǔn)包裝:38 系列:Encore!® XP® 核心處理器:eZ8 芯體尺寸:8-位 速度:5MHz 連通性:IrDA，UART/USART 外圍設(shè)備:欠壓檢測(cè)/復(fù)位，LED，POR，PWM，WDT 輸入/輸出數(shù):16 程序存儲(chǔ)器容量:4KB（4K x 8） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 105°C 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 包裝:管件 其它名稱:269-4116Z8F0413SH005EG-ND
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