參數(shù)資料
型號: CL-PD6710
廠商: CIRRUS LOGIC INC
元件分類: 總線控制器
英文描述: ISA-TOOPC-CARD HOST ADAPTERS
中文描述: PCMCIA BUS CONTROLLER, PQFP144
封裝: VQFP-144
文件頁數(shù): 103/128頁
文件大?。?/td> 1591K
代理商: CL-PD6710
CL-PD6710/’22
ISA–to–PC-Card Host Adapters
May 1997
103
PRELIMINARY DATA SHEET v3.1
ELECTRICAL SPECIFICATIONS
Figure 15-9. Normal Byte Read/Write Timing
Table 15-15. Normal Byte Read/Write Timing
Symbol
Parameter
MIN
MAX
Units
t
1
Address setup to Command active
1
(S
×
Tcp) – 10
ns
t
2
Command pulse width
2
(C
×
Tcp) – 10
ns
t
3
Address hold from Command inactive
3
(R
×
Tcp) – 10
ns
1
The Setup time is determined by the value programmed into the
Setup Timing
register, index 3Ah/3Dh. Using the Timer
Set 0 default value of 01h, the setup time would be 70 ns. S = (N
pres
×
N
val
+ 1), see page
98
.
2
The Command time is determined by the value programmed into the
Command Timing
register, index 3Bh/3Eh. Using
the Timer Set 0 default value of 06h, the Command time would be 270 ns. C = (N
pres
×
N
val
+ 1), see page
98
.
3
The Recovery time is determined by the value programmed into the
Recovery Timing
register, index 3Ch/3Fh. Using the
Timer Set 0 default value of 03h, the hold (Recovery) time would be 150 ns. R = (N
pres
×
N
val
+ 1), see page
98
.
-REG,
A[25:0]
-IOWR, -IORD,
-OE, -WE
t
1
t
2
t
3
-CE1
-CE2
D[7:0]
Odd/Even Data
D[15:8]
Read or
Write Cycle
XX
Write Cycle
D[7:0]
Read Cycle
Odd/Even Data
NOTE:
Figure 15-9
applies to all other byte accesses, including odd I/O cycles
where -IOIS16 is low.
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