Epson ActionPrinter 3000 User Manual - Page 97

Interface Specifications, Specifications and pin assignments

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Interface Specifications Your printer is equipped with a parallel interface. Specifications and pin assignments The built-in parallel interface has the following characteristics: Data format: 8-bit parallel Synchronization: STROBE pulse Handshake timing: BUSY and ACKNLG signal Signal level: TTL compatible level connector: 36-pin 57-30360 (Amphenol) connector or equivalent Connector pin assignments and a description of their respective interface signals are shown in the following table. Signal Signal Pin Pin 1 19 Signal Direction Description STROBE IN STROBE pulse to read data. Pulse width 2 20 DATA 1 IN These signals represent information of the 3 21 DATA 2 IN 1st to 8th bits of parallel data, respectively. 4 22 DATA 3 IN Each signal is at HIGH level when data is 5 23 DATA 4 IN logical 1 and LOW when it is logical 0. 6 24 DATA 5 IN 7 25 DATA 6 IN 8 26 DATA 7 IN 9 27 DATA 8 IN 10 10 ACKNLG OUT About an 11-microsecond pulse. LOW indicates that data has been received and that the printer is ready to accept more data. 7-8 Technical Specifications

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Interface Specifications
Your printer is equipped with a parallel interface.
Specifications and pin assignments
The built-in parallel interface has the following characteristics:
Data format:
8-bit parallel
Synchronization:
STROBE pulse
Handshake
timing:
BUSY and ACKNLG signal
Signal level:
TTL compatible level
connector:
36-pin 57-30360 (Amphenol) connector or
equivalent
Connector pin assignments and a description of their respective
interface signals are shown in the following table.
Signal
Signal
Pin
Pin
Signal
Direction
1
19
STROBE
IN
2
20
DATA 1
3
21
DATA 2
4
22
DATA 3
5
23
DATA 4
6
24
DATA 5
7
25
DATA 6
8
26
DATA 7
9
27
DATA 8
10
10
ACKNLG
OUT
IN
IN
IN
IN
IN
IN
IN
IN
Description
STROBE pulse to read data. Pulse width
These signals represent information of the
1st to 8th bits of parallel data, respectively.
Each signal is at HIGH level when data is
logical 1 and LOW when it is logical 0.
About an 11-microsecond pulse. LOW
indicates that data has been received and
that the printer is ready to accept more
data.
7-8
Technical Specifications