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| AM1705DPTPA3 Datasheet, PDF (129/164 Pages) Texas Instruments – AM1705 ARM Microprocessor | |||
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AM1705
www.ti.com
SPRS657D â FEBRUARY 2010 â REVISED MARCH 2013
Table 5-81. I2C Switching Characteristics(1)
No.
16 tc(SCL)
PARAMETER
Cycle time, I2Cx_SCL
17 tsu(SCLH-SDAL)
Setup time, I2Cx_SCL high before I2Cx_SDA low
18 th(SDAL-SCLL)
Hold time, I2Cx_SCL low after I2Cx_SDA low
19 tw(SCLL)
Pulse duration, I2Cx_SCL low
20 tw(SCLH)
Pulse duration, I2Cx_SCL high
21 tsu(SDAV-SCLH) Setup time, I2Cx_SDA valid before I2Cx_SCL high
22 th(SCLL-SDAV)
Hold time, I2Cx_SDA valid after I2Cx_SCL low
23 tw(SDAH)
Pulse duration, I2Cx_SDA high
28 tsu(SCLH-SDAH) 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 5-81.
MIN
MAX UNIT
10
μs
2.5
4.7
μs
0.6
4
μs
0.6
4.7
μs
1.3
4
μs
0.6
250
ns
100
0
μs
0
0.9
4.7
μs
1.3
4
μs
0.6
I2Cx_SDA
I2Cx_SCL
Stop
11
8
4
10
6
5
Start
1
12
3
7
2
3
Repeated
Start
Figure 5-45. I2C Receive Timings
9
14
13
Stop
Copyright © 2010â2013, Texas Instruments Incorporated
Peripheral Information and Electrical Specifications 129
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