Interface Specifications; Parallel Interface Specifications; Figure 1-6. Data Transmission Timing - Epson CBB Service Manual

Epson Stylus Color 200 /Epson Stylus 200

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:
Synchronization:
Handshaking:
Signal level:
Adaptable connector:
Data transmission timing:
DATA
STROBE
BUSY
ACKNLG
Note:
Transition time (rise time and fall time) of every input signal must be less than 0.2 s.
Parameter
tnbusy
* Rise and fall time of output siganls
** Rise and fall time of input signals
Rev. A
8-bit parallel
By STROBE pulse synchronization
By BUSY and ACKNLG signals
TTL compatible level (IEEE-1284 level 1 device)
36-pin 57-30360 (Amphenol) or equivalent
See Figure 1-6.
data byte n
t h old
tsetup
tstb
tb u s y
tready

Figure 1-6. Data Transmission Timing

Minimum
tsetup 500 nsec
thold 500 nsec
tstb 500 nsec
tready 0
tbusy ——
treply ——
tack 500 nsec
0
tnext 0
ttout* ——
ttin** ——
data byte n+1
tnext
trep ly tack tn b u s y
Maximum
——
——
——
——
500 nsec
——
10 us
——
——
120 nsec
200 nsec
Product Description
1-9