82C37 查看數據表（PDF） - Intersil
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82C37 Datasheet PDF : 23 Pages
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Timing Waveforms (Continued)
82C37A
CLK
DREQ
SI
SI
TQS
(30)
TDQ
(18)
S0
S0
S1 S2 S3
S4 S2 S3 S4 SI
SI
SI
TQS
(30)
TCY
(14)
TCL (13)
TDQ
(18)
TCH
(12)
HRQ
HLDA
AEN
ADSTB
DB0-DB7
A0-A7
DACK
READ
WRITE
INT EOP
EXT EOP
THS
(25)
TAEL
(1)
TCLSH
(33)
TFADB
(24)
A8-A15
TFAAB
(22)
TAK
(9)
TFAC
(23)
TDVAL (61)
TDCL (15)
TAET
(2)
TCLSL
(34)
TSHSL
(37)
TASS
(11)
TAHS
(7)
TAFDB
(5)
ADDRESS VALID
(64)
TAZRL
TDCL
(15)
TDCTR
(16)
TWRRD
(35)
TDCTW
(17)
TEPS
(20)
TEPH
(19)
TRHAL
(58)
TAK (9)
TASM
(10)
TAHW
(8)
ADDRESS VALID
TAHR
(6)
TAFAB (3)
TAHW (8)
TAHR (6)
TRHDI (63)
TAVRL
(56)
TDCL
(15)
TRLRH
(36)
TAVWL
(57)
TAFC (4)
TDCTR (16)
TDCTW (17)
TWLWH (39)
(FOR EXTENDED WRITE)
TDVWL TWLWHA
(62)
(38)
(FOR EXTENDED WRITE)
TDCL
(15)
TAK (9)
TAK (9)
TEPW (21)
FIGURE 10. DMA TRANSFER
4-210
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