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LM3S8G62 Datasheet, PDF (1044/1096 Pages) Texas Instruments – Stellaris® LM3S8G62 Microcontroller
OBSOLETE: TI has discontinued production of this device.
Electrical Characteristics
Table 24-24. SSI Characteristics (continued)
Parameter
No.
Parameter Parameter Name
Min Nom Max
Unit
S8
TDSS
Data from slave setup time
1
-
-
system clocks
S9
TDSH
Data from slave hold time
2
-
-
system clocks
a. In master mode, the system clock must be at least twice as fast as the SSIClk; in slave mode, the system clock must be
at least 12 times faster than the SSIClk.
b. Note that the delays shown are using 8-mA drive strength.
Figure 24-14. 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
Figure 24-15. 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
1044
Texas Instruments-Production Data
July 24, 2012