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參數(shù)資料
| 型號(hào)： | MB90242A |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-Bit Proprietary Microcontroller(16位專用微控制器) |
| 中文描述： | 16-BIT, 32 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | PLASTIC, LQFP-80 |
| 文件頁(yè)數(shù)： | 15/57頁(yè) |
| 文件大?。?/td> | 754K |
| 代理商： | MB90242A |
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15
MB90242A Series
5. Crystal Oscillation Circuit
Noise in the vicinity of the X0 and X1 pins will cause this device to operate incorrectly. Design the printed circuit
board so that the bypass capacitor connecting X0, X1 and the crystal oscillator (or ceramic oscillator) to ground
is located as close to the device as possible.
In addition, because printed circuit board artwork in which the area around the X0 and X1 pins is surrounded
by ground provides stable operation, such an arrangement is strongly recommended.
6. CLK Pin
7. Cautions in Applying Power Supply
Hold the HST pin to the “H” level when applying power supply.
When the RST pin is in the “L” level, do not hold the HST pin to “L” level.
ex. 32 MHz
X1
X0
P50/CLK*
P50 output
P50 input
CLK output
to internal blocks
STOP
Divide by 2 circuit
* : In the external bus mode, the P50/CLK pin is initially configured as a CLK output pin.
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