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參數資料
| 型號： | MB89W665R |
| 廠商： | Fujitsu Limited |
| 英文描述： | 8-Bit Proprietary Microcontroller(8位專用微控制器) |
| 中文描述： | 8位微控制器專利（8位專用微控制器） |
| 文件頁數： | 5/47頁 |
| 文件大小： | 688K |
| 代理商： | MB89W665R |
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5
MB89660R Series
I
DIFFERENCES AMONG PRODUCTS
1. Memory Size
Before evaluating using the OTPROM (one-time PROM) product (also used for evaluation), verify its differences
from the product that will actually be used: Take particular care on the following points:
On the MB89663R, register bank from 16 to 32 cannot be used.
On the MB89P665, address BFF0
reading these addresses.
The stack area, etc., is used.
H
to BFF6
H
comprise the option setting area, option settings can be read by
2. Current Consumption
When operated at low speed, the product with an OTPROM or an EPROM will consume more current than
the product with a mask ROM.
However, the same is the current comsumption in sleep/stop modes. (For more information, see sections “
Electrical Characteristics” and “
I
Example Characteristics.”
I
3. Mask Options
Functions that can be selected as options and how to designate these options vary with product.
Before using options, check section “
I
Mask Options.”
Take particular care on the following points:
On the MB89P665, a pull-up resistor must be selected in a group of four pins for P54 to P57.
For all products, P50 to P57 must be set for no pull-up resistor optional when an A/D converter is used.
4. Differences between the MB89660 and MB89660R Series
Memory access area
Memory access area of both the MB89660R and MB89660 series is the same.
Other Specifications
For MB89660R series, input level at P00 to P07 and P10 to P17 is fixed when the hardware is standing-by.
And for MB89660 series, input level at P00 to P07 and P10 to P17 is not fixed. Therefore, when the medium
voltage is input there such as input open, the standby current will increase.
Electrical specifications/electrical characteristics
There are differences at pull down resistances of MOD0 and MOD1 between MB89660R series and MB89660
series. For more information, see “3. DC characteristics” in section “
Electrical specification of the other items of MB89660R series and MB89660 series are equivalent.
However, it is possible that the valid characteristic will be modified. See the corresponding characteristic
respectively for detail.
I
Electrical Characteristics”.
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