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| AM1707_1008 Datasheet, PDF (154/199 Pages) Texas Instruments – ARM Microprocessor | |||
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AM1707
SPRS637A â FEBRUARY 2010 â REVISED APRIL 2010
www.ti.com
6.24.3 I2C Electrical Data/Timing
6.24.3.1 Inter-Integrated Circuit (I2C) Timing
Table 6-89 and Table 6-90 assume testing over recommended operating conditions (see Figure 6-63 and
Figure 6-64).
No.
1 tc(SCL)
2
tsu(SCLH-SDAL)
3
th(SCLL-SDAL)
4 tw(SCLL)
5 tw(SCLH)
6
tsu(SDA-SCLH)
7
th(SDA-SCLL)
8 tw(SDAH)
9 tr(SDA)
10 tr(SCL)
11 tf(SDA)
12 tf(SCL)
13 tsu(SCLH-SDAH)
14 tw(SP)
15 Cb
Table 6-89. I2C Input Timing Requirements
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 before I2Cx_SCL high
Hold time, I2Cx_SDA after I2Cx_SCL low
Pulse duration, I2Cx_SDA high
Rise time, I2Cx_SDA
Rise time, I2Cx_SCL
Fall time, I2Cx_SDA
Fall time, I2Cx_SCL
Setup time, I2Cx_SCL high before I2Cx_SDA high
Pulse duration, spike (must be suppressed)
Capacitive load for each bus line
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
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
MIN
10
2.5
4.7
0.6
4
0.6
4.7
1.3
4
0.6
250
100
0
0
4.7
1.3
20 + 0.1Cb
20 + 0.1Cb
20 + 0.1Cb
20 + 0.1Cb
4
0.6
N/A
0
MAX
0.9
1000
300
1000
300
300
300
300
300
50
400
400
UNIT
ms
ms
ms
ms
ms
ns
ms
ms
ns
ns
ns
ns
ms
ns
pF
154 Peripheral Information and Electrical Specifications
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Copyright © 2010, Texas Instruments Incorporated
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