参数资料
型号: MB91108PFV
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 50 MHz, RISC MICROCONTROLLER, PQFP120
封装: PLASTIC, LQFP-120
文件页数: 15/96页
文件大小: 1342K
代理商: MB91108PFV
MB91107/108
22
s SETTING MODE
1.
Pin
Mode setting pins and modes
2.
Registers
Mode data
Bus mode setting bits and functions
Note : MB91107 places 128-KB internal RAM in the internal ROM area.
To use the 128-KB internal RAM, be sure to set ’01’.
Mode setting pins
Mode name
Reset vector
access area
External data bus
width
Bus mode
MD2
MD1
MD0
000
External vector
mode 0
External
8 bits
External ROM/external
bus mode
001
External vector
mode 1
External
16 bits
0
1
0
Inhibited
0
1
Internal vector mode
Internal
(Mode register)
Inhibited
1
Inhibited
M1
M0
Functions
Note
0
Single-chip mode
0
1
Internal ROM/external bus mode
Inhibited
1
0
External ROM/external bus mode
1
Inhibited
MODR
Initial value
Access
Address : 0000 07FFH
M1
M0
XXXX XXXXB
W
Bus mode setting bit
Always write “0” except for M1 and M0.
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