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參數(shù)資料
| 型號(hào)： | MB90487BPF |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-bit Proprietary Microcontroller |
| 中文描述： | 16-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP100 |
| 封裝： | 14 X 20 MM, 3.35 MM HEIGHT, 0.65 MM PITCH, PLASTIC, QFP-100 |
| 文件頁(yè)數(shù)： | 17/120頁(yè) |
| 文件大?。?/td> | 1241K |
| 代理商： | MB90487BPF |
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MB90480/485 Series
17
8.
Treatment of power supply pins on models with A/D converters
Even when the A/D converters are not in use, be sure to make the necessary connections AV
CC
=
AVRH
=
V
CC
,
and AV
SS
=
V
SS
.
9.
Notes on Using Power Supply
Only the MB90485 series usually uses a 3 V power supply. By setting V
CC
3
=
3 V power supply and V
CC
5
=
5 V
power supply, P20 to P27, P30 to P37, P40 to P47 and P70 to P77 can be interfaced as 5 V power supplies
separately from the main 3 V power supply. Note that the analog power supplies (such as AV
CC
and AV
SS
) for
the A/D converter can be used only as 3 V power supplies.
10. Notes on Using External Clock
Even when using an external clock signal, an oscillation stabilization delay is applied after a power-on reset or
when recovering from sub-clock or stop mode. When using an external clock, 25 MHz should be the upper
frequency limit.
The following figure shows a sample use of external clock signals.
11. Treatment of NC pins
NC (internally connected) pins should always be left open.
12. Notes on during operation of PLL clock mode
On this microcontroller, if in case the crystal oscillator breaks off or an external reference clock input stops while
the PLL clock mode is selected, a self-oscillator circuit contained in the PLL may continue its operation at its
self-running frequency. However, Fujitsu will not guarantee results of operation if such failure occurs.
13. When the MB90480/485 series microcontroller is used as a single system
When the MB90480/485 series microcontroller is used as a single system, use connections so the X0A
=
V
SS
,
and X1A
=
Open.
14. Writing to Flash memory
For writing to Flash memory, always ensure that the operating voltage V
CC
is between 3.0 V and 3.6 V.
X0
X1
OPEN
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PDF描述 |
|---|---|
| MB90487BPFV | 16-bit Proprietary Microcontroller |
| MB90488B | 16-bit Proprietary Microcontroller |
| MB90488BPF | 16-bit Proprietary Microcontroller |
| MB90488BPFV | 16-bit Proprietary Microcontroller |
| MB90F481 | 16-bit Proprietary Microcontroller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB90487BPFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90487BPMC | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Microcontroller |
| MB90487PF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller CMOS |
| MB90487PFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller CMOS |
| MB90488B | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
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