參數(shù)資料
型號: SP37E760-MD
廠商: STANDARD MICROSYSTEMS CORP
元件分類: 外設(shè)及接口
英文描述: 3.3 V I/O CONTROLLER FOR EMBEDDED APPLICATIONS
中文描述: MULTIFUNCTION PERIPHERAL, PQFP100
封裝: TQFP-100
文件頁數(shù): 62/78頁
文件大?。?/td> 510K
代理商: SP37E760-MD
9
SMSC DS – SP37E760
Page 62
Rev. 04/13/2001
AC TIMING
9.1 Host Timing
Parameter
min
typ
max
units
t1
t2
t3
t4
t5
t6
A0-A9, AEN, nIOCS16 Set Up to
nIOR Low
nIOR Width
A0-A9, AEN, nIOCS16 Hold from
nIOR High
Data Access Time from nIOR Low
Data to Float Delay from nIOR High
Parallel Port Setup
40
150
10
10
100
60
ns
ns
ns
ns
ns
ns
20
t8
nIOR or nIOW Inactive for Transfers to
and from ECP FIFO
nIOR Active to PINTR Inactive
FIGURE 4 - MICROPROCESSOR READ TIMING
150
ns
t3
t1
t6
t2
t4
t5
t8
t9
DATA VALID
AX,
AEN,
nIOCS16
nIOR
DATA
(D0-D7)
PD0-PD7, nERR,
PE, SLCT, nACK,
BUSY
nIOR/nIOW
PINTR
t9
260
ns
PINTR is the interrupt assigned to the Parallel Port
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