CS82C37A-1296 INTERSIL [Intersil Corporation], CS82C37A-1296 Datasheet - Page 20

• Manufacturer Part Number: CS82C37A-1296
• Description: CMOS High Performance Programmable DMA Controller
• Manufacturer: INTERSIL [Intersil Corporation]

Timing Waveforms
DB0-DB7
EXT EOP
INT EOP
ADSTB
WRITE
DREQ
A0-A7
DACK
READ
HLDA
HRQ
CLK
AEN
SI
TDQ
(18)
TQS
(30)
(Continued)
20
(FOR EXTENDED WRITE)
SI
THS
(25)
S0
TCLSH
(33)
TAEL
(1)
TDVAL (61)
S0
A8-A15
TFAC
TDCL (15)
(23)
TFADB
TFAAB
TAK
(FOR EXTENDED WRITE)
(24)
(22)
(9)
S1
FIGURE 10. DMA TRANSFER
S2
TDVWL
TDCL
(62)
(15)
82C37A
82C37A
ADDRESS VALID
S3
TWLWHA
TWRRD
TDCTR
TDCTW
(16)
TCLSL
TSHSL
TAZRL
TAFDB
TASS
TAHS
(11)
(35)
(17)
(34)
(37)
(64)
(38)
(7)
(5)
S4
S2
TDCL
(15)
TEPS
TEPH
TAHR
(20)
(19)
TEPW (21)
S3
(6)
TQS
ADDRESS VALID
(30)
TAHW
TRLRH
TAVWL
TAVRL
TDCL
TASM
(8)
(56)
(15)
(36)
(57)
(10)
S4
TAK (9)
TAK (9)
SI
TDQ
(18)
TCL (13)
TDCTR (16)
TRHDI (63)
TDCTW (17)
TCY
(14)
SI
TAHW (8)
TAFC (4)
TRHAL
TAK (9)
TWLWH (39)
TAFAB (3)
(58)
TAHR (6)
TAET
(2)
SI
TCH
(12)
March 20, 2006
FN2967.2