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 Parallel Interface Specifications (Forward Channel)
Data format:
8-bit parallel
Synchronization:
By STROBE pulse synchronization
Handshaking:
By BUSY and ACKNLG signals
Signal level:
TTL compatible level (IEEE-1284 level 1 device)
Adaptable connector:
36-pin 57-30360 (Amphenol) or equivalent
Data transmission timing:
See Figure 1-6.
Note:
Transition time (rise time and fall time) of every input signal must be less than 0.2
µ
s.
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
* Rise and fall time of output siganls
** Rise and fall time of input signals
data byte n
data byte n+1
t h old
tsetup
tstb
tnext
tr e ady
tb u s y
trep ly
ta c k
tn b u s y
DATA
STROBE
BUSY
ACKNLG
Figure 1-6. Data Transmission Timing
Epson Stylus Color 200 /Epson Stylus 200
Product Description
Rev. A
1-9