TMS320F28335_1 Datasheet, PDF (129/166 Pages) Texas Instruments – Digital Signal Controllers (DSCs)

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6.10.4 I2C Electrical Specification and Timing
TMS320F28335, TMS320F28334, TMS320F28332
Digital Signal Controllers (DSCs)
SPRS439B – JUNE 2007 – REVISED OCTOBER 2007
f_SCL
v_il
V_ih
V_hys
V_ol
t_LOW
t_HIGH
l_I
Table 6-32. I2C Timing
TEST CONDITIONS
SCL clock frequency
I2C clock module frequency is between
7 MHz and 12 MHz and I2C prescaler and
clock divider registers are configured
appropriately
Low level input voltage
High level input voltage
Input hysteresis
Low level output voltage
3-mA sink current
Low 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
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
Input current with an input voltage
between 0.1 V_DDIO and 0.9 V_DDIO MAX
MIN
0.7 V_DDIO
0.05 V_DDIO
0
1.3
0.6
-10
MAX
400
UNIT
kHz
0.3 V_DDIO
V
V
V
0.4
V
μs
μs
10
μA
6.10.5 Serial Peripheral Interface (SPI) Master Mode Timing
Table 6-33 lists the master mode timing (clock phase = 0) and Table 6-34 lists the timing (clock
phase = 1). Figure 6-18 and Figure 6-19 show the timing waveforms.
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Electrical Specifications 129