LM3S9B81 Datasheet, PDF (1099/1155 Pages) Texas Instruments – Stellaris® LM3S9B81 Microcontroller

Stellaris® LM3S9B81 Microcontroller
Table 25-29. I²S Slave Clock (Receive and Transmit) (continued)
Parameter No.
Parameter
Parameter Name
Min
M9
t_{SCLK_LOW}
Low time
40
M10
t_SDC
Duty cycle
-
Nom
-
50
Table 25-30. I²S Master Mode
Parameter No.
M11
M12
M13
M14
Parameter
t_MSWS
t_MSD
t_MSDS
t_MSDH
Parameter Name
SCK fall to WS valid
SCK fall to TXSD valid
RXSD setup time to SCK rise
RXSD hold time from SCK rise
Min
Nom
-
-
-
-
10
-
10
-
Figure 25-22. I²S Master Mode Transmit Timing
Max
-
-
Max
10
10
-
-
SCK
WS
TXSD
M11
M12
Data
Unit
ns
%
Unit
ns
ns
ns
ns
Figure 25-23. I²S Master Mode Receive Timing
SCK
M13
RXSD
M14
Data
Table 25-31. I²S Slave Mode
Parameter No.
M15
M16
M17
M18
M19
M20
M21
M22
M23
M24
Parameter
t_{SCLK_PER}
t_{SCLK_HIGH}
t_{SCLK_LOW}
t_SDC
t_SSETUP
t_SHOLD
t_SSD
t_SLSD
t_SSDS
t_SSDH
Parameter Name
Cycle time
High time
Low time
Duty cycle
WS setup time to SCK rise
WS hold time from SCK rise
SCK fall to TXSD valid
Left-justified mode, WS to TXSD
RXSD setup time to SCK rise
RXSD hold time from SCK rise
Min
Nom
Max
Unit
80
-
-
ns
40
-
-
ns
40
-
-
ns
-
50
-
%
-
-
25
ns
-
-
10
ns
-
-
20
ns
-
-
20
ns
10
-
-
ns
10
-
-
ns
June 29, 2010
Texas Instruments-Advance Information
1099