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參數(shù)資料
| 型號： | MB89P677APMC1 |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | MICROCONTROLLER, PQFP80 |
| 封裝： | 14 X 14 MM, 1.70 MM HEIGHT, 0.65 MM PITCH, PLASTIC, LQFP-80 |
| 文件頁數(shù)： | 45/56頁 |
| 文件大?。?/td> | 1656K |
| 代理商： | MB89P677APMC1 |
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MB89670AR Series
DS07-12537-2E
5
■ DIFFERENCES AMONG PRODUCTS
1. Memory Size
Before evaluating using the piggyback product, make sure of its differences from the product that will actually
be used. Take particular care on the following points:
On the MB89P677A, the program area starts from address 8007H, while on the MB89677AR and MB89PV670A
starts from 8000H.
(On the MB89P677A, the option setting data can be read by reading the addresses “8000H” to “8006H”, while
on the MB89677AR and MB89PV670A, addresses 8000H to 8006H could also be used as a program ROM.
However, do not use these addresses in order to maintain compatibility of the MB89P677A.)
The stack area, etc., is set at the upper limit of the RAM.
The external area is used.
2. Current Consumption
In the case of the MB89PV670A, add the current consumed by the EPROM which is connected to the top socket.
When operated at low speed, the product with an OTPROM (one-time PROM) or an EPROM will consume
more current than the product with a mask ROM.
However, the current consumption in sleep/stop modes is the same. (For more information, see sections
“
■ Electrical Characteristics” and “■ Example Characteristics”.)
3. Mask Options
Functions that can be selected as options and how to designate these options vary by the product.
Before using options check section “
■ Mask Options”.
Take particular care on the following point:
Options are fixed on the MB89PV670A.
4. Differences between the MB89670/670A and MB89670AR Series
Memory access area
Memory access area of both the MB89677A and MB89677AR is the same.
The access are of the MB89673 is different from that of the MB89673AR respectively in the external bus mode.
See below.
Address
Memory area
MB89673
MB89673AR
0000H to 007FH
I/O area
0080H to 01FFH
RAM area
0200H to 027FH
External area
Access prohibited
0280H to BFFFH
External area
C000H to DFFFH
Access prohibited
E000H to FFFFH
ROM area
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