spd6722qcce Intel Corporation, spd6722qcce Datasheet - Page 113

• Manufacturer Part Number: spd6722qcce
• Description: Isa-to-pc-card Pcmcia Controllers
• Manufacturer: Intel Corporation

Datasheet
1. The Setup time is determined by the value programmed into the Setup Timing register, index 3Ah/3Dh. Using the Timer Set
2. The Command time is determined by the value programmed into the Command Timing register, index 3Bh/3Eh. Using the
3. The Recovery time is determined by the value programmed into the Recovery Timing register, index 3Ch/3Fh. Using the
Symbol
-IOWR, -IORD
0 default value of 01h, the setup time would be 70 ns. S = (N
page
Timer Set 0 default value of 06h, the Command time would be 270 ns. C = (N
Timer Set 0 default value of 03h, the hold (Recovery) time would be 150 ns. R = (N
Figure 24. Word I/O Read/Write Timing
Table 33. PC Card Read/Write Timing when System Is 8-Bit
Write Cycle
Read Cycle
t
t
t
t
t
1
2
3
4
5
109.
-IOIS16
D[15:0]
A[25:0]
D[15:0]
-REG,
-WAIT
-CE1
-CE2
-REG or Address setup to Command active
Command pulse width
Address hold from Command inactive
Data setup before Command inactive
Data hold after command inactive
x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x
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x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x
t
ref
2
t
1
Parameter
t
7
3
t
4
1
ISA-to-PC-Card (PCMCIA) Controllers — PD6710/’22
t
6
pres
t
2
N
val
t
+ 1), see
8
t
5
pres
t
9
“PC Card Bus Timing Calculations” on
pres
N
val
(S
(C
(R
t
(2 Tcp) + 10
10
+ 1), see page 109.
N
val
Tcp) – 10
Tcp) – 10
Tcp) – 10
MIN
0
+ 1), see page 109.
t
3
MAX
x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x
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x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x
Units
ns
ns
ns
ns
ns
113