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REVISION
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SHEET
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B
RP-U420 series
Specification
(STANDARD)
18
17
2.1.2.7 Data Receiving Timing (Compatibility Mode)
Data
Data n
Data n+1
nStrobe
tSetup
tSTB
tHold
tReady
tBusy
Busy
Peripheral Busy
tReply
tACK
tnBUSY
tNext
nAck
Specifications
Characteristics
Symbol
Min [ns]
Max [ns]
Data Hold Time
tHold
750
--
Data Setup Time
tSetup
750
--
STROBE Pulse Width
tSTB
750
--
READY Cycle Idle Time
tReady
0
--
BUSY Output Delay Time tBUSY
0
500
Data Processing Time
tReply
0
∞
ACKNLG Pulse Width
tACK
500
10
µ
s
BUSY Release Time
tnBUSY
0
∞
ACK Cycle Idle Time
tNEXT
0
--
*The printer latches data at the nStrobe
↓
timing
NOTE: The letter "n" before a signal name indicates active LOW.