6.3 I/O Read and Write
Figure 6: I/O Read waveforms
20
DOUT signifies data provided by the CompactFlash Memory Card or to the system.
Table 21: I/O Read timing(1)
Cycle Time Mode
250ns
120ns
100ns
80ns
Item
Symbol
IEEEE
Symbol
Min
(ns)
Max
(ns)
Min
(ns)
Max
(ns)
Min
(ns)
Max
(ns)
Min
(ns)
Max
(ns)
Data Delay after IORD
Data Hold following IORD
IORD Width Time
Address Setup before IORD
Address Hold following IORD
CE setup before IORD
CE Hold following IORD
REG setup before IORD
REG Hold following IORD
td(IORD)
th(IORD)
tw(IORD)
tsuA(IORD)
thA(IORD)
tsuCE(IORD)
thCE(IORD)
tsuREG(IORD)
thREG(IORD)
tIGLQV
tIGHQX
tIGLIGH
tAVIGL
tIGHAX
tELIGL
tIGHEH
tRGLIGL
tIGHRGH
0
165
70
20
5
20
5
0
100
5
70
25
10
5
10
5
0
50
5
65
25
10
5
10
5
0
50
5
55
15
10
5
10
5
0
45
INPACK Delay Falling from
tdfINPACK(IORD)
tIGLIAL
0
45
0
NA (2)
0
NA (2)
0
NA (2)
IORD
NPACK Delay Rising from IORD
tdrINPACK(IORD)
tIGHIAH
45
NA (2)
NA (2)
NA (2)
IOIS16 Delay Falling from
tdfIOIS16(ADR)
tAVISL
35
Address
IOIS16 Delay Rising from
tdrIOIS16(ADR)
tAVISH
35
Address
1. Swissbit CF does not assert the WAIT signal.
2. – IOIS16 is not supported in this mode.
Swissbit AG
Industriestrasse 4
Swissbit reserves the right to change products or specifications without notice.
Revision: 1.51
CH-9552 Bronschhofen
Switzerland
www.swissbit.com
industrial@swissbit.com
C-300_data_sheet_CF-HxBK_Rev151.doc
Page 24 of 99
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