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PIC16F946 Datasheet, PDF (253/274 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology | |||
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PIC16F946
TABLE 19-13: I2C⢠BUS START/STOP BITS REQUIREMENTS
Param
No.
Symbol
Characteristic
Min Typ Max Units
Conditions
90* TSU:STA Start condition
Setup time
100 kHz mode 4700 â â ns Only relevant for Repeated
400 kHz mode 600 â â
Start condition
91* THD:STA Start condition
Hold time
100 kHz mode 4000 â â
400 kHz mode 600 â â
ns After this period, the first
clock pulse is generated
92* TSU:STO Stop condition 100 kHz mode 4700 â â ns
Setup time
400 kHz mode 600 â â
93 THD:STO Stop condition 100 kHz mode 4000 â â ns
Hold time
400 kHz mode 600 â â
* These parameters are characterized but not tested.
FIGURE 19-16: I2C⢠BUS DATA TIMING
SCL
SDA
In
SDA
Out
103
90
91
109
100
101
106
107
109
102
92
110
Note: Refer to Figure 19-2 for load conditions.
© 2005 Microchip Technology Inc.
Preliminary
DS41265A-page 251
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