MA101 Datasheet, PDF (11/30 Pages) Megawin Technology Co., Ltd – Low-speed USB Specification version 1.1 compliance

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MA101
Datasheet Version 1.02
5.2.4 TWSI AC Electrical Characteristics
tSTART tOUT
tC1
tHIGH
tLOW
tLOW
tSTOP
SDAOUT
tDH
SCL
Figure 5-1 : TWSI Start, Stop and Write diagram
TWSI START/STOP
Clock Parameter
0x00
0x01
0x02
0x03
0x04
...
0xFF
START (tSTART)
12.0 us
13.2 us
15.0 us
16.6 us
18.2 us
440 us
STOP (tSTOP)
11.8 us
13.2 us
14.9 us
16.6 us
18.2 us
440 us
Note: This parameter is characterized but not 100% tested.
TWSI Write Data
Clock
Parameter
0x00
0x01
0x02
0x03
0x04
...
0xFF
Clock High
Period (tHIGH)
10 us
11.4~11.6 us
13.0~13.2 us
14.8~15.0 us
16.4 us
436 us
Clock Low
Period (tLOW)
10 us
11.2 us
12.8~13.0 us
14.6 us
16.4 us
436 us
Clock to
Output (tOUT)
9.2 us
9.2 us
9.2 us
9.2 us
9.2 us
9.2 us
Note: This parameter is characterized but not 100% tested.
Data Out to
Clock 1 (tC1)
5 us
6.6 us
8.2 us
9.8 us
11.6 us
432 us
Data Out Hold
Time (tDH)
4.4~4.8 us
4.4~4.8 us
4.4~4.8 us
4.4~4.8 us
4.4~4.8 us
4.4~4.8 us
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