Table of Contents
Advertisement
--------~~~1~--------------------------------------------------------------
!j-4. TC8S66F Floppy DlskControHer If
.1) G$n$ral..
The TC8586F. is 'a floppy disk control microchip designed to interface
four floppy disk unit witt, the CPU.·ln this chip is implemented' a high
i
p~,rfor!J1anc,eV~O s:!n!lIi~W?Dd pe~ipher~.llogip
circuitry.
2) Features ..
a Silicon gate.CMOS
a Single SV supply .
i
0 1 OO:pin flat papj<age
,0.
Internal oscillator
. 0 Internal VFO
O' 'Iriternalstaridby circuit
o
FD/MFD selection
.
;aFM/MFM recording mode
!cl-'ihtemal
write compensation
. 0:
Motor erlable output control
o
Internal 1/0 address decoder
I
D
Multi.-s~ctor,
multi-track
0"
~imI:'H¥leous
seek, 4,
d~jv~s
,Cl'. Driv8:,interface Schmitt trigger ,nput
Q
·Programmable step rate
o
IBM compatible track format
o
InterrialCFlC generation and check (X16+X12+XS:"1)
o
Programmable head load and unload time
o
Data scan function
Q
DMAlnon-DMA data transfer
,
,
,
,
7
"
"
"
"
"
"
"
"
"
"
"
"
'"
"
" "
"
"
" "
"
o
o
0
"
' 9
78
n
78
"
"
"
" "
70
"
"
6?
"
"
"
"
"
"
"
59
59
"
59
55
"
" "
"
-56-
~)
TC8s66F
blpQ~ diagram
'"
Clock
ge.ne~t.o:r
16MHz
-ROT
"'"
""
' "
.sRSEL
·VfOEN
~~
LMSEL
row
VFOrogic
m~
,w
."
'"
,~
·RWf.lK
~,
·0'
""
·101'1
,~
,~
~
·DACKl!
.,
ROT
ow
,m,
..
,
VFalST
"'"
~
,~
·cAe
~,
'''''
."
Mm
~
~
,~
M~
FOC
,~
'"
00-07
00-7
'"
. "
,~
·we
w,~
."
Fl.TIT'RO
.~,
"
·'00
·RWr.lK
~
~,
"
,~
~,
~
"
~
~
"'
RIis~
""
"
"00
~
,~
~,~
'"
'00
"'~
IIIEN2
MEl'll
MeNa
ENID
'"
""
.OM
P.Sl
·5HEN
'00
Inlarnal write
-
,~
110
Interface
00"
compensation
~
,~
Hide quick links:
Advertisement
Table of Contents
