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參數(shù)資料
| 型號： | MB91F133PMT2 |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-Bit RISC Microcontroller |
| 中文描述： | 32-BIT, FLASH, 33 MHz, RISC MICROCONTROLLER, PQFP144 |
| 封裝： | PLASTIC, LQFP-144 |
| 文件頁數(shù)： | 21/123頁 |
| 文件大?。?/td> | 1362K |
| 代理商： | MB91F133PMT2 |
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MB91133/MB91F133
21
(3) Points to note on usage
External reset input
“L” level should be input to the RST pin, which is required for at least five machine cycles to ensure that the
internal status is reset.
Oscillation pin
Oscillation pin is 3 V CMOS input level.
External clock
Use with an external clock is prohibited. A crystal (or ceramic) oscillator should be used.
Analog Power
The AV
CC
should always be used at the same electric potential as V
CC
5. If the V
CC
5 is larger than the AV
CC
,
electricity may flow through pins AN 0 to AN 7.
Points to note for using level comparator
When the level comparator is used, a reference current (IR) flows even though it is stopped. The stop mode
must be turned on after prohibiting action of the level comparator.
2.
Points to Note on Turning On Power
RST pin handling
The RST pin must be started from “L” level when the power is turned on, and when the power is adjusted to
the V
DD
level, it should be changed to the “H” level after being left on for at least 5 cycles of the internal operation
clock.
Original oscillation input
The clock must be input until the waiting status for oscillation stability is reset in the event that power is turned on.
Power on reset
“Power on reset” must be executed if power is turned on, but the power voltage falls below the guaranteed
operating temperature and power is turned on again.
Order for turning on power
Power should be turned on in the following order.
V
CC
3
→
V
CC
5
→
AV
CC
→
AVRH
The opposite order should be used when turning off.
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