參數(shù)資料
型號: MB86967PFV
元件分類: 微控制器/微處理器
英文描述: 10M bps, LOCAL AREA NETWORK CONTROLLER, PQFP100
封裝: PLASTIC, LQFP-100
文件頁數(shù): 84/129頁
文件大小: 1519K
代理商: MB86967PFV
58
MB86967
6. BMPR17: E2PROM Data Register
BMPR17 is an external E2PROM data port.
7. BMPR18: I/O Base Address Register
BMPR18 updates and displays the I/O base addresses (valid only in jumperless mode).
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Read
EDIO
×××××××
Write
0000000
Initial Value
0
×××××××
Bit no.
Bit name
Operation
Value
Function
7
EDIO
Read
Port for reading output data from E2PROM
Write
Port for writing input data to E2PROM
6 to 0
Not used
Read
The read values of these bits are undefined.
Write
0
Always write 0s to these bits at writing.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Read
IOBA7
IOBA6
IOBA5
IOBA4
IOBA3
IOBA2
IOBA1
IOBA0
Write
————————
Initial Value
00000000
Bit no.
Bit name
Operation
Value
Function
7 to 0
IOBA7 to IOBA0
Read
Each time this register is read, the I/O base address select
signals (IOSEL2 to IOSEL0) are incremented to update the
I/O base addresses. The updated values can be read from
bits 2 to 0 of BMPR19. The read values of this register have
no meaning.
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