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): 92/129頁
文件大?。?/td> 1519K
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 000H to 7EEH, starting with address 0. CCR has four registers, located at 7F0H, 7F2H, 7F4H,
and 7F6H.
[Reference]
CIS: In E2PROM or flash ROM
CCR: In MB86967
(1) Read from CIS
(2) Write to CIS
(3) Read from CCR
Address
Symbol
Register
7F0H
CCR0
Card configuration option register
7F2H
CCR1
Card configuration status register
7F4H
CCR2
Pin replacement register
7F6H
CCR3
Socket/copy register
Mode
REG CE2 CE1
OE
IORD WE PA0
PD8 to
PD15
PD0 to
PD7
ROMS ROMRD ROMAD
Byte access
(8 bits)
0
100
1
0
Invalid
Even byte
L
1
Invalid
H
L
Word access
(16 bits)
0
000
1
×
Invalid
Even byte
L
Mode
REG CE2 CE1
OE
IOWR WE PA0
PD8 to
PD15
PD0 to
PD7
ROMS ROMRD ROMAD
Byte access
(8 bits)
0
1
0
110
0
Don’t care Even byte
L
H
L
1
Don’t care Don’t care
H
L
Word access
(16 bits)
0
110
×
Don’t care Even byte
L
H
L
Mode
Address REG CE2 CE1 OE IORD WE PA0
PD8
to
PD15
PD0
to
PD7
ROMS ROMRD ROMAD
Byte access
(8 bits)
7F0H to
7F6H
01
0
011
0
Invalid
Even
byte
HH
L
1
Invalid Invalid
H
L
Word access
(16 bits)
00
0
011
×
Invalid
Even
byte
HH
L
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