FDC37N769_07 SMSC [SMSC Corporation], FDC37N769_07 Datasheet - Page 131

• Manufacturer Part Number: FDC37N769_07
• Description: 3.3V Super I/O Controller with Infrared Support for Portable Applications
• Manufacturer: SMSC [SMSC Corporation]

SMSC DS – FDC37N769
nADDRSTB
nDATASTB
IOCHRDY
SD<7:0>
PD<7:0>
NOTE:
1. nWRITE is controlled by setting the PDIR bit to "1" in the control register before
nWRITE
nWAIT
nIOR
t10
t11
t12
t13
t15
t19
t20
t21
t22
t23
AX
t2
t3
t4
t5
t8
performing an EPP Read.
t19
nIOR Deasserted to Command Deasserted
nWAIT Asserted to IOCHRDY Deasserted
Command Deasserted to PDATA Hi-Z
Command Asserted to PDATA Valid
nIOR Asserted to IOCHRDY Asserted
nWAIT Deasserted to nIOCHRDY Deasserted
nIOCHRDY Deasserted to nIOR Deasserted
nIOR Deasserted to SDATA High-Z (Hold Time)
PData Valid to SDATA Valid
Time Out
Ax Valid to nIOR Asserted
nIOR Deasserted to Ax Invalid
Command Deasserted to nWAIT Deasserted
nIOR Deasserted to nIOW or nIOR Asserted
nIOR Asserted to Command Asserted
FIGURE 19 - EPP 1.7 DATA OR ADDRESS READ CYCLE
t23
t8
Parameter
t3
DATASHEET
t5
t15
Page 131 of 137
t13
t10
min
10
40
10
40
0
0
0
0
0
0
t11
max
t2
50
40
24
50
40
40
12
55
t12
t20
t4
t22
t21
units
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns
ns
ns
ns
ns
Notes
Rev. 02-16-07