TMS320F28335, TMS320F28334, TMS320F28332
TMS320F28235, TMS320F28234, TMS320F28232
Digital Signal Controllers (DSCs)
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SPRS439C–JUNE 2007–REVISED FEBRUARY 2008
6.10.4 I2C Electrical Specification and Timing
Table 6-31. I2C Timing
TEST CONDITIONS
MIN
MAX
UNIT
fSCL
SCL clock frequency
I2C clock module frequency is between
7 MHz and 12 MHz and I2C prescaler and
clock divider registers are configured
appropriately
400
kHz
vil
Low level input voltage
High level input voltage
Input hysteresis
0.3 VDDIO
V
V
Vih
0.7 VDDIO
Vhys
Vol
0.05 VDDIO
V
Low level output voltage
Low period of SCL clock
3-mA sink current
0
0.4
V
tLOW
I2C clock module frequency is between
7 MHz and 12 MHz and I2C prescaler and
clock divider registers are configured
appropriately
1.3
µs
tHIGH
High period of SCL clock
I2C clock module frequency is between
7 MHz and 12 MHz and I2C prescaler and
clock divider registers are configured
appropriately
0.6
-10
µs
lI
Input current with an input voltage
10
µA
between 0.1 VDDIO and 0.9 VDDIO MAX
6.10.5 Serial Peripheral Interface (SPI) Master Mode Timing
Table 6-32 lists the master mode timing (clock phase = 0) and Table 6-33 lists the timing (clock
phase = 1). Figure 6-18 and Figure 6-19 show the timing waveforms.
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