LM3S2637 Datasheet, PDF (640/678 Pages) Texas Instruments – Stellaris® LM3S2637 Microcontroller

Electrical Characteristics
Figure 20-13. SSI Timing for MICROWIRE Frame Format (FRF=10), Single Transfer
S2
S1
SSIClk
S3
SSIFss
SSITx
SSIRx
MSB
8-bit control
LSB
0 MSB
LSB
4 to 16 bits output data
Figure 20-14. SSI Timing for SPI Frame Format (FRF=00), with SPH=1
SSIClk
(SPO=0)
SSIClk
(SPO=1)
SSITx
(master)
SSIRx
(slave)
S4
S6 S7
MSB
S5
S8 S9
MSB
S1
S2
S3
LSB
LSB
SSIFss
20.2.10 Inter-Integrated Circuit (I²C) Interface
Table 20-21. I²C Characteristics
Parameter
No.
I1^a
I2^a
I3^b
Parameter Parameter Name
Min
t_SCH
Start condition hold time
36
t_LP
Clock Low period
36
t_SRT
I2CSCL/I2CSDA rise time (V_IL =0.5 V
-
to V _IH =2.4 V)
Nom Max
-
-
-
-
- (see note
b)
Unit
system clocks
system clocks
ns
640
June 18, 2012
Texas Instruments-Production Data