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AM1707_1008 Datasheet, PDF (155/199 Pages) Texas Instruments – ARM Microprocessor
AM1707
www.ti.com
SPRS637A – FEBRUARY 2010 – REVISED APRIL 2010
Table 6-90. I2C Switching Characteristics(1)
No.
16 tc(SCL)
17 tsu(SCLH-SDAL)
18 th(SDAL-SCLL)
19 tw(SCLL)
20 tw(SCLH)
21 tsu(SDAV-SCLH)
22 th(SCLL-SDAV)
23 tw(SDAH)
28 tsu(SCLH-SDAH)
PARAMETER
Cycle time, I2Cx_SCL
Setup time, I2Cx_SCL high before I2Cx_SDA
low
Hold time, I2Cx_SCL low after I2Cx_SDA low
Pulse duration, I2Cx_SCL low
Pulse duration, I2Cx_SCL high
Setup time, I2Cx_SDA valid before I2Cx_SCL
high
Hold time, I2Cx_SDA valid after I2Cx_SCL low
Pulse duration, I2Cx_SDA high
Setup time, I2Cx_SCL high before I2Cx_SDA
high
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
(1) I2C must be configured correctly to meet the timings in Table 6-90 .
MIN
MAX
UNIT
10
ms
2.5
4.7
ms
0.6
4
ms
0.6
4.7
ms
1.3
4
ms
0.6
250
ns
100
0
ms
0
0.9
4.7
ms
1.3
4
ms
0.6
I2Cx_SDA
I2Cx_SCL
Stop
11
8
4
10
6
5
Start
1
12
3
7
2
3
Repeated
Start
Figure 6-63. I2C Receive Timings
9
14
13
Stop
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Peripheral Information and Electrical Specifications 155
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