LM3S1G21 Datasheet, PDF (907/955 Pages) Texas Instruments – Stellaris® LM3S1G21 Microcontroller

Stellaris^® LM3S1G21 Microcontroller
Table 21-23. EPI Host-Bus 8 and Host-Bus 16 Interface Characteristics (continued)
Parameter No
E23
E24
E25
Parameter
Parameter Name
Min
T_CSLOW
CSn width low
4
T_ALEST
ALE rising to WEn / RDn strobe falling 2
T_ALEADD
ALE falling to ADn tristate
1
Nom Max
-
-
-
-
-
-
Unit
EPI Clocks
EPI Clocks
EPI Clocks
Figure 21-16. Host-Bus 8/16 Mode Read Timing
E22
ALE (EPI0S30)
E18
E23
CSn (EPI0S30)
WRn (EPI0S29)
RDn/OEn
(EPI0S28)
BSEL0n/
BSEL1n^a
Address
E18
E24
Data
a _{BSEL0n and BSEL1n are available in Host-Bus 16 mode only.}
E20
E19
E14
E15
Data
Figure 21-17. Host-Bus 8/16 Mode Write Timing
E22
ALE
(EPI0S30)
E18
CSn
E23
(EPI0S30)
WRn
E18
E19
E20
(EPI0S29)
E24
RDn/Oen
(EPI0S28)
BSEL0n
BSEL1n^a
Address
E16
Data
a _{BSEL0n and BSEL1n are available in Host-Bus 16 mode only.}
Data
January 22, 2012
907
Texas Instruments-Production Data