SPRS439M – JUNE 2007 – REVISED AUGUST 2012
6.12 I2C Electrical Specification and Timing
Table 6-31. I2C Timing
TEST CONDITIONS
f
SCL
SCL clock frequency
I2C clock module frequency is between
7 MHz and 12 MHz and I2C prescaler and
clock divider registers are configured
appropriately
0.7 V
DDIO
0.05 V
DDIO
3-mA sink current
I2C clock module frequency is between
7 MHz and 12 MHz and I2C prescaler and
clock divider registers are configured
appropriately
I2C clock module frequency is between
7 MHz and 12 MHz and I2C prescaler and
clock divider registers are configured
appropriately
0
1.3
0.4
MIN
MAX
400
UNIT
kHz
v
il
V
ih
V
hys
V
ol
t
LOW
Low level input voltage
High level input voltage
Input hysteresis
Low level output voltage
Low period of SCL clock
0.3 V
DDIO
V
V
V
V
μs
t
HIGH
High period of SCL clock
0.6
μs
l
I
Input current with an input voltage
between 0.1 V
DDIO
and 0.9 V
DDIO
MAX
–10
10
μA
6.13 Serial Peripheral Interface (SPI) Timing
This section contains both Master Mode and Slave Mode timing data.
6.13.1 Master Mode Timing
lists the master mode timing (clock phase = 0) and
lists the timing (clock
phase = 1).
and
show the timing waveforms.
Copyright © 2007–2012, Texas Instruments Incorporated
Electrical Specifications
143
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