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參數(shù)資料
| 型號： | MB90549PF |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100 |
| 封裝： | PLASTIC, QFP-100 |
| 文件頁數(shù)： | 5/64頁 |
| 文件大?。?/td> | 1525K |
| 代理商： | MB90549PF |
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MB90590 Series
13
(6) Crystal Oscillator Circuit
Noises around X0 or X1 pins may be possible causes of abnormal operations. Make sure to provide bypass
capacitors via shortest distance from X0, X1 pins, crystal oscillator (or ceramic resonator) and ground lines, and
make sure, to the utmost effort, that lines of oscillation circuit not cross the lines of other circuits.
It is highly recommended to provide a printed circuit board art work surrounding X0 and X1 pins with an grand
area for stabilizing the operation.
(7) Turning-on Sequence of Power Supply to A/D Converter and Analog Inputs
Make sure to turn on the A/D converter power supply(AVCC, AVR
+ , AVR ) and analog inputs (AN0 to AN7)
after turning-on the digital power supply (VCC).
Turn-off the digital power after turning off the A/D converter supply and analog inputs. In this case, make sure
that the voltage not exceed AVR
+ or AVCC (turning on/off the analog and digital power supplies simultaneously
is acceptable).
(8) Connection of Unused Pins of A/D Converter
Connect unused pins of A/D converter to AVCC = VCC, AVSS = AVR
+ = VSS.
(9) N.C. Pin
The N.C. (internally connected) pin must be opened for use.
(10) Notes on Energization
To prevent the internal regulator circuit from malfunctioning, set the voltage rise time during energization at 50
or more ms (0.2 V to 2.7 V).
(11) Initialization
In the device, there are internal registers which is initialized only by a power-on reset. To initialize these registers
turning on the power again.
(12) Directions of “DIV A, Ri” and “DIVW A, RWi” instructions
In the Signed multiplication and division instructions (“DIV A, Ri” and “DIVW A, RWi”), the value of the corre-
sponding bank register (DTB, ADB, USB, SSB) is set in “00h”.
If the values of the corresponding bank register (DTB,ADB,USB,SSB) are setting other than “00h”, the remainder
by the execution result of the instruction is not stored in the register of the instruction operand.
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| MB90574BPFF | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP120 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MB90550A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90550A_08 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90550B | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90550B_08 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90552A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
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