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參數(shù)資料
| 型號： | MB91F155A |
| 廠商： | Fujitsu Limited |
| 英文描述： | 32-bit Proprietary Microcontrollers |
| 中文描述： | 32位微控制器專有 |
| 文件頁數(shù)： | 24/105頁 |
| 文件大?。?/td> | 989K |
| 代理商： | MB91F155A |
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MB91F155A/MB91155/MB91154
24
I
SETTING MODE
1.
Mode Pins
As shown in Table 1 three pins, MD2, 1, and 0 are used to indicate an operation.
Table 1 Mode pins and set modes
Mode pin
Mode name
MD2
MD1
MD0
2.
Mode Data
The data which the CPU writes to “0000 07FF
H
” after reset is called mode data.
It is the mode register (MODR) that exists at “0000 07FF
H
.” Once a mode is set in this register, operations will
take place in that mode. The mode register can be written only once after reset.
The mode specified in the register is enabled immediately after it is written.
[bits 7 and 6] : M1, M0
These are bus mode setting bits. Specify the bus mode to be set to after writing to the mode register.
M1
M0
Function
[bits 5 to 0] :
These bits are reserved for the system.
“0” should be written to these bits at all times.
Reset vector
access area
External data
bus width
0
0
0
External vector mode 0
External
8 bits
External ROM bus mode
0
0
1
External vector mode 1
External
16 bits
0
1
0
External vector mode 2
External
32 bits
Not available on this
product type
0
1
1
External vector mode
Internal
(Mode register) Single-chip mode
1
Not available
Remarks
0
0
Single-chip mode
0
1
Internal ROM-external bus mode
1
0
External ROM-external bus mode
1
1
Setting not allowed
MODR
Initial value Access
XXXXXXXX
Address : 0000 07FF
H
W
W : Write only, X : Undefined
M1
M0
Bus mode setting bits
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| MB91F155APF-G | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontrollers |
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| MB91F155PFV-G | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontrollers |
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