LM3S6611 Datasheet, PDF (603/647 Pages) List of Unclassifed Manufacturers – Microcontroller

Stellaris^® LM3S6611 Microcontroller
19.2.8
Table 19-17. GPIO Characteristics
Parameter Parameter Name Condition
Min
Nom
Max
Unit
2-mA drive
17
26
ns
t_GPIOR
GPIO Rise Time
(from 20% to 80%
of V_DD)
4-mA drive
8-mA drive
9
13
ns
-
6
9
ns
8-mA drive with slew rate control
10
12
ns
2-mA drive
17
25
ns
t_GPIOF
GPIO Fall Time
(from 80% to 20%
of V_DD)
4-mA drive
8-mA drive
8
12
ns
-
6
10
ns
8-mA drive with slew rate control
11
13
ns
Synchronous Serial Interface (SSI)
Table 19-18. SSI Characteristics
Parameter
No.
Parameter Parameter Name
Min Nom Max
S1
t_{clk_per}
SSIClk cycle time
S2
t_{clk_high}
SSIClk high time
S3
t_{clk_low}
SSIClk low time
S4
t_clkrf
SSIClk rise/fall time^a
2
-
65024
-
0.5
-
-
0.5
-
-
6
10
S5
t_DMd
Data from master valid delay time
0
-
1
S6
t_DMs
Data from master setup time
1
-
-
S7
t_DMh
Data from master hold time
2
-
-
S8
t_DSs
Data from slave setup time
1
-
-
S9
t_DSh
Data from slave hold time
2
-
-
a. Note that the delays shown are using 8-mA drive strength.
Unit
system clocks
t clk_per
t clk_per
ns
system clocks
system clocks
system clocks
system clocks
system clocks
Figure 19-11. SSI Timing for TI Frame Format (FRF=01), Single Transfer Timing Measurement
S1
S2
S4
SSIClk
S3
SSIFss
SSITx
SSIRx
MSB
4 to 16 bits
LSB
July 16, 2014
603
Texas Instruments-Production Data