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參數(shù)資料
| 型號： | 82C37 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | PROGRAMMABLE DMA CONTROLLER |
| 中文描述： | 可編程DMA控制器 |
| 文件頁數(shù)： | 19/23頁 |
| 文件大?。?/td> | 204K |
| 代理商： | 82C37 |
4-210
82C37A
FIGURE 10. DMA TRANSFER
Timing Waveforms
(Continued)
TEPW (21)
TAK (9)
SI
SI
TQS
(30)
S0
S0
S1
S2
S3
S4
S2
S3
S4
SI
SI
SI
TDQ
(18)
THS
(25)
TAEL
(1)
TCLSH
(33)
TQS
(30)
TCL (13)
TCY
(14)
TCH
(12)
TDQ
(18)
TAET
(2)
TSHSL
(37)
TCLSL
(34)
TEPS
(20)
TEPH
(19)
TRHAL
(58)
TAK (9)
TAFAB (3)
TAHW (8)
TAHR (6)
TRHDI (63)
TAFC (4)
TDCTR (16)
(56)
(15)
TRLRH
(36)
CLK
DREQ
HRQ
HLDA
AEN
ADSTB
DB0-DB7
A0-A7
DACK
READ
WRITE
INT EOP
EXT EOP
(64)
TAZRL
TAFDB
(5)
TFAAB
(22)
TFADB
(24)
TASS
(11)
TAHS
(7)
A8-A15
TAK
(9)
TDCL
(15)
TFAC
(23)
TDCL (15)
TDVWL
(62)
TWLWHA
(38)
TDCTW
(17)
TAVWL
(57)
TDVAL (61)
(FOR EXTENDED WRITE)
(FOR EXTENDED WRITE)
TAK (9)
TDCL
(15)
TWLWH (39)
TDCTW (17)
TWRRD
(35)
TAVRL
TDCTR
(16)
TAHR
(6)
TAHW
(8)
ADDRESS VALID
TASM
(10)
ADDRESS VALID
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