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參數(shù)資料
| 型號(hào)： | MB90522PFF |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP120 |
| 封裝： | PLASTIC, LQFP-120 |
| 文件頁(yè)數(shù)： | 18/106頁(yè) |
| 文件大小： | 1541K |
| 代理商： | MB90522PFF |
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MB90520 Series
19
12.Indeterminate outputs from ports 0 and 1
The outputs from ports 0 and 1 become indeterminate during oscillation setting time of step-down circuit (during
a power-on reset) after the power is turned on.
Pay attention to the port output timing shown as follow
13.Initialization
The device contains internal registers that can be initialized only by a power-on reset. To initialize the internal
registers, restart the power supply.
14. Interrupt Recovery from Standby
If an external interrupt is used for recovery from standby, use an “H” level input request. An “L” level request
causes abnormal operation.
15.Precautions for Use of “DIV A, Ri”, and “DIVW A, Ri” Instructions
The signed multiplication-division instructions “DIV A, Ri”, and “DIVW A, RWi” should be used when the
corresponding bank registers (DTB, ADB, USB, SSB) are set to value “00h”. If the corresponding bank registers
(DTB, ADB, USB, SSB) are set to a value other than “00h,” then the remainder obtained after the execution of
the instruction will not be placed in the instruction operand register.
16. Precautions for Use of REALOS
Extended intelligent I/O service(EI2OS) cannot be used, when REALOS is used.
Oscillation setting time2
Step-down circuit
setting time 1
Vcc(power-supply pin)
PONR(power-on reset) signal
RST(external asynchronous reset) signal
RST(internal reset) signal
Oscillation clock signal
KA(internal operation clock A) signal
KB(internal operation clock B) signal
PORT(port output)signal
indereterminate period
* : 1:Step-down circuit setting time : 217/oscillation clock frequency (oscillation clock frequency of 16 MHz: 8.19 ms)
* : 2:Oscillation setting time: 218/oscillation clock frequency (oscillation cllock frequency of 16 MHz: 16.38 ms)
Timming chart of indeterminate outputs from ports o and 1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB90522PFV | 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90523 | 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90523A | 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90523APFF | 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90523APFV | 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
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