Epson TM-U950P Specifications - Page 39

V Signal Sender Characteristics

Page 39 highlights

5 V Signal Sender Characteristics Characteristics Symbol Specifications Min Max Conditions Output HIGH voltage VOH *2.4 V 5.5 V *IOH=0.32mA Output LOW voltage VOL - - ** While the power is OFF Output HIGH current IOH - 0.32 mA VOH=2.4V Output LOW current IOL - ** - While the power is OFF ** No guarantee is offered to VOL and IOL while the power is OFF. 6) Compatibility Mode Data nStrobe Data n tHold-1 Data n+1 Busy nAck tSTB tSetup tReady tBusy tHold-2 Peripheral Busy tReply tACK tnBUSY tNext Characteristics Data Hold Time (host) Symbol Specifications Min Max tHold-1 -- 500 Data Hold Time (printer) tHold-2 -- -- Data Setup Time tSetup -- 500 STROBE Pulse Width tSTB -- 500 READY Cycle Idle Time tReady -- -- BUSY Output Delay Time tBUSY 0 500 Data Processing Time tReply 0 ¥ ACKNLG Pulse Width tACK 500 10ps BUSY Release Time tBUSY 0 e ACK Cycle Idle Time tNEXT -- ¥ * The printer latches data at a nStrobe ¯timing. TITLE EPSON TM-U950/U950P Specification (STANDARD) SHEET NO. REVISION AD NEXT 1273-4 SHEET 1272-3

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EPSON
TITLE
SHEET
REVISION
NO.
SHEET
NEXT
TM-U950/U950P
Specification
(STANDARD)
5 V Signal Sender Characteristics
Specifications
Characteristics
Symbol
Min
Max
Conditions
Output HIGH voltage
Output LOW voltage
Output HIGH current
Output LOW current
VOH
VOL
IOH
IOL
*2.4 V
-
-
- **
5.5 V
- **
0.32 mA
-
*IOH=0.32mA
While the power is OFF
VOH=2.4V
While the power is OFF
** No guarantee is offered to VOL and IOL while the power is OFF.
6) Compatibility Mode
Data
Data n
Data n+1
tHold-1
nStrobe
tSetup
tSTB
tHold-2
tReady
tBusy
Busy
Peripheral Busy
tReply
tACK
tnBUSY
tNext
nAck
Specifications
Characteristics
Symbol
Min
Max
Data Hold Time (host)
tHold-1
--
500
Data Hold Time (printer)
tHold-2
--
--
Data Setup Time
tSetup
--
500
STROBE Pulse Width
tSTB
--
500
READY Cycle Idle Time
tReady
--
--
BUSY Output Delay Time
tBUSY
0
500
Data Processing Time
tReply
0
¥
ACKNLG Pulse Width
tACK
500
10ps
BUSY Release Time
tBUSY
0
e
ACK Cycle Idle Time
tNEXT
--
¥
* The printer latches data at a nStrobe
timing.
D
17-3
17-4