Texas Instruments TMS320C2802 Manuel d'utilisateur télécharger pdf (Page 118)

TMS320F2809, TMS320F2808, TMS320F2806

TMS320F2802, TMS320F2801, TMS320C2802

TMS320C2801, TMS320F28016, TMS320F28015

SPRS230L–OCTOBER 2003–REVISED DECEMBER 2009

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6.10.4 I2C Electrical Specification and Timing

Table 6-33. I2C Timing

TEST CONDITIONS MIN MAX UNIT

SCL

SCL clock frequency I2C clock module frequency is between 400 kHz

7 MHz and 12 MHz and I2C prescaler and

clock divider registers are configured

appropriately

Low level input voltage 0.3 V

DDIO

High level input voltage 0.7 V

DDIO

hys

Input hysteresis 0.05 V

DDIO

Low level output voltage 3 mA sink current 0 0.4 V

LOW

Low period of SCL clock I2C clock module frequency is between 1.3 μs

7 MHz and 12 MHz and I2C prescaler and

clock divider registers are configured

appropriately

HIGH

High period of SCL clock I2C clock module frequency is between 0.6 μs

7 MHz and 12 MHz and I2C prescaler and

clock divider registers are configured

appropriately

Input current with an input voltage –10 10 μA

between 0.1 V

DDIO

and 0.9 V

DDIO

MAX

6.10.5 Serial Peripheral Interface (SPI) Master Mode Timing

Table 6-34 lists the master mode timing (clock phase = 0) and Table 6-35 lists the timing (clock

phase = 1). Figure 6-20 and Figure 6-21 show the timing waveforms.

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Texas Instruments TMS320C2802 Manuel d'utilisateur Page 118

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