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| TMS320C6727B_07 Datasheet, PDF (97/116 Pages) Texas Instruments – Floating-Point Digital Signal Processors | |||
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NO.
19
tw(SCLL)
20
tw(SCLH)
21
tsu(SDAV-SCLH)
22
th(SCLL-SDAV)
23
tw(SDAH)
28
tsu(SCLH-SDAH)
29 Cb
TMS320C6727B, TMS320C6726B, TMS320C6722B, TMS320C6720
Floating-Point Digital Signal Processors
SPRS370C â SEPTEMBER 2006 â REVISED OCTOBER 2007
Table 4-37. I2C Switching Characteristics (continued)
PARAMETER
MIN
Standard Mode
4.7
Pulse duration, I2Cx_SCL low
Fast Mode
1.3
Standard Mode
4
Pulse duration, I2Cx_SCL high
Fast Mode
0.6
Setup time, I2Cx_SDA valid before I2Cx_SCL Standard Mode
250
high
Fast Mode
100
Standard Mode
0
Hold time, I2Cx_SDA valid after I2Cx_SCL low
Fast Mode
0
Standard Mode
4.7
Pulse duration, I2Cx_SDA high
Fast Mode
1.3
Setup time, I2Cx_SCL high before I2Cx_SDA Standard Mode
4
high
Fast Mode
0.6
Capacitive load on each bus line from this
device
Standard Mode
Fast Mode
MAX UNIT
μs
μs
ns
μs
0.9
μs
μs
10
pF
10
I2Cx_SDA
I2Cx_SCL
Stop
11
8
4
10
6
5
Start
1
12
3
7
2
3
Repeated
Start
Figure 4-38. I2C Receive Timings
9
14
13
Stop
I2Cx_SDA
I2Cx_SCL
Stop
26
23
19
25
21
20
Start
16
27
18
22
17
18
Repeated
Start
Figure 4-39. I2C Transmit Timings
24
28
Stop
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Peripheral and Electrical Specifications
97
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