Panasonic JB-3300 Technical Manual page 439

b. Interface Signals
NDC 840
DO~?7 DB°
DB?
AQO
AO~ 2 e
° AO2
A3~15
READ/
WRITE/
CS/
DIR
DRQ/
M-READ/
M- WRITE /
HRQ
HLDA
ADR-E
INTR |
PHASE 0/
——$_——4PHAS
TIME-OUT —————_4T IMO
REF-ENB —————_jREFT
CHOEXC/ —s————_j CHOE
RD
WD
RC
AME O
AME |
IDXP
RDY
FLT
SKC
TRKO
SELD
pr
DIR
STEP
MSTP
RWC
HDS|
HDS2
HDS 3
HDS4
DRS |
DRS2
DRS3
AMWT
AMFD
RG
WG
SECR
WPPT
TTT
A
Pentre
jie
pee
vest
eer
rereareeanrenssainananne
nsreinnnseeelANS
eeererrrenner
{ae
eevee
perererwameeenneeemunsecmnecerenvcremarn
merece
DRS 4-————_—
proerenenenemcnar
renee
hennsatemiemssancemmnarnnavervnenteirssenaamn
enennecmnremnanenaeemmetie
eee
praeneereeeeereannaernenenaeeensocsat
$$
ponerse
eae
een
READ-DATA (READ-D)
WR!ITE-DATA (WRITE-D)
READ-CLK (READ-C)
AM-ENABLE O (B-STBO)
AM- ENABLE | (B-STB 1)
INDEX (INDEX)
READY (READY)
WRITE FAULT
SEEK COMPLETE
TRACK OO
DRIVE SELECTED
(FAULT)
(SEEK-END)
(ON- CYL)
(SELECTED)
DIRECTION /ECC WRITE
STEP (SEEK ER)
MICRO-STEP(B9)
REDUCE-WC (B8)
HEAD SEL 2% BO)
HEAD SEL 2 (B1)
HEAD SEL 2 (B2)
HEAD SEL 2 (B3)
DRIVE SEL | (B4)
DRIVE SEL 2(B5)
DRIVE SEL 3 (B6)
DRIVE SEL 4 (B7)
AM WRITE
AM FOUND (AM FOUND)
READ GATE
WRITE GATE
SECTOR
WRITE PROTECT
TAGI TAG | (TAG 1)
TAG2 TAG2 (TAG 2)
CLK 0 ———Y1CLKO TAGS3 TAG3 (TAG 3)
CLK | ———~ICLK | TAG4 TAG4 (TAG 4)
RESET ——={REST SVC (SERVO)
Voo VDO Vss Vss Tos Ves
): Used to control SMD interface signals.
VII - 44