參數(shù)資料
型號(hào): PD6710
廠商: Intel Corp.
英文描述: ISA-to-PC-Card (PCMCIA) Controllers
中文描述: ISA -到- PC卡(PCMCIA)的控制器
文件頁數(shù): 114/138頁
文件大小: 723K
代理商: PD6710
PD6710/
22
ISA-to-PC-Card (PCMCIA) Controllers
114
Datasheet
Figure 25. PC Card Read/Write Timing When System Is 8-Bit (SBHE Tied High)
Table 34. 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
PC Card Bus Timing Calculations
on
page 109
.
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
×
N
val
+ 1), see page
109
.
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
109
.
-IOWR, -IORD,
t
1
t
2
t
3
-CE1
-REG,
A[25:0]
D[7:0]
Odd/even Data
D[15:8]
Read or
Write Cycle
XX
-OE, -WE
D[7:0]
Read Cycle
t
5
t
4
Write Cycle
Odd/Even Data
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