參數(shù)資料
型號: 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): 119/138頁
文件大?。?/td> 723K
代理商: PD6710
ISA-to-PC-Card (PCMCIA) Controllers
PD6710/
22
Datasheet
119
Figure 29. DMA Write Cycle Timing
Table 38. DMA Request Timing (PD6722 only)
Symbol
Parameter
MIN
MAX
Units
t
1
DMA request from socket interface to system
1
40
ns
1. After FIFO empty, DMA requests held off from being presented to the system until all write data to a card has been emptied
from the socket interface FIFO.
-CE[2:1]
t
2
t
3
t
5
t
4
-WAIT
DMA DATA[15:0]
-VPP_VALID
(TC from system)
t
6
-IORD
to card
IRQ9
-IOWR, -WE
(high)
-REG
(DACK*)
(DACK* to card)
t
1
-OE
(TC to card)
t
11
DMA DATA[15:0]
from card
t
12
t
10
t
7
t
8
t
9
IRQ10
(DRQ)
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