參數(shù)資料
型號: MB86967PFV
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: LAN Controller with PC Card, ISA Bus, and General-purpose Bus Interfaces
中文描述: 1 CHANNEL(S), 10M bps, LOCAL AREA NETWORK CONTROLLER, PQFP80
封裝: PLASTIC, LQFP-80
文件頁數(shù): 65/129頁
文件大小: 1499K
代理商: MB86967PFV
65
MB86967
5. Attribute Memory Space
Attribute memory space has the card attribute data register (CIS) and card configuration register (CCR). It can
be accessed in 8 bits from even addresses; odd addresses are invalid.
The MB86967 can have access to both 8-bit and 16-bit data. When attribute memory space is accessed in the
16-bit mode, only the data signals D0 to D7 are valid, and D8 to D15 are invalid.
CIS is located at 000
H
to 7EE
H
, starting with address 0. CCR has four registers, located at 7F0
H
, 7F2
H
, 7F4
H
,
and 7F6
H
.
[Reference]
CIS: In E
2
PROM or flash ROM
CCR: In MB86967
(1) Read from CIS
(2) Write to CIS
(3) Read from CCR
Address
7F0
H
7F2
H
7F4
H
7F6
H
Symbol
CCR0
CCR1
CCR2
CCR3
Register
Card configuration option register
Card configuration status register
Pin replacement register
Socket/copy register
Mode
REG CE2 CE1
OE
IORD WE
PA0
PD8 to
PD15
Invalid
Invalid
PD0 to
PD7
Even byte
Invalid
ROMS ROMRD ROMAD
Byte access
(8 bits)
0
1
0
0
1
1
0
1
L
H
L
H
L
L
Word access
(16 bits)
0
0
0
0
1
1
×
Invalid
Even byte
L
L
L
Mode
REG CE2 CE1
OE
IOWR WE
PA0
PD8 to
PD15
Don’t care Even byte
Don’t care Don’t care
PD0 to
PD7
ROMS ROMRD ROMAD
Byte access
(8 bits)
0
1
0
1
1
0
0
1
L
H
H
H
L
L
Word access
(16 bits)
0
0
0
1
1
0
×
Don’t care Even byte
L
H
L
Mode
Address REG CE2 CE1 OE IORD WE PA0
PD8
to
PD15
PD0
to
PD7
Even
byte
ROMS ROMRD ROMAD
Byte access
(8 bits)
7F0
H
to
7F6
H
0
1
0
0
1
1
0
Invalid
H
H
L
1
Invalid Invalid
H
H
L
Word access
(16 bits)
0
0
0
0
1
1
×
Invalid
Even
byte
H
H
L
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