1.3 INTERFACE SPECIFICATIONS
The EPSON Stylus Color 200/EPSON Stylus 200 is standard-equipped with an 8-bit parallel and serial
interface.
1.3.1 ParallelInterface Specifications (Forward Channel)
Data format: 8-bitparallel
Synchronization: By STROBE pulse synchronization
Handshaking: By BUSY and ACKNLG signals
Signalleve l: TTL compatible level (IEEE-1284 level 1 device)
Adaptable connector: 36-pin57-30360 (Amphenol) or equivalent
Data transmission timing: SeeFigure 1-6.
Note:
Transitiontime (rise time and fall time) of every input signal must be less than 0.2 µs.
Parameter Minimum Maximum
tsetup 500 nsec ——
thold 500 nsec ——
tstb 500 nsec ——
tready 0 ——
tbusy —— 500 nsec
treply —— ——
tack 500 nsec 10 us
tnbusy 0 ——
tnext 0 ——
ttout* —— 120 nsec
ttin** —— 200 nsec
* Riseand fall time of output siganls
** Riseand fall time of input signals
data byte n data byte n+1
t
hold
t
setup
t
stb
t
next
t
ready
t
busy
t
reply t
ack
t
nbusy
DATA
STROBE
BUSY
ACKNLG
Figure 1-6. Data Transmission Timing
Epson Stylus Color 200 /Epson Stylus 200 Product Description
Rev. A 1-9