DZPD6722VCCE INTEL [Intel Corporation], DZPD6722VCCE Datasheet - Page 119

• Manufacturer Part Number: DZPD6722VCCE
• Description: ISA-to-PC-Card (PCMCIA) Controllers
• Manufacturer: INTEL [Intel Corporation]

Datasheet
(TC from system)
1. After FIFO empty, DMA requests held off from being presented to the system until all write data to a card has been emptied
DMA DATA[15:0]
Symbol
DMA DATA[15:0]
(DACK* to card)
from the socket interface FIFO.
Figure 29. DMA Write Cycle Timing
Table 38. DMA Request Timing (PD6722 only)
t
1
-VPP_VALID
(TC to card)
-IOWR, -WE
from card
(DACK*)
-CE[2:1]
to card
-IORD
(high)
-WAIT
IRQ10
(DRQ)
DMA request from socket interface to system
-REG
IRQ9
-OE
t
1
Parameter
t
7
t
2
t
8
t
5
1
ISA-to-PC-Card (PCMCIA) Controllers — PD6710/’22
t
3
t
10
t
6
MIN
40
t
t
11
9
t
12
MAX
t
4
Units
ns
119