PIC18F2331_07 Datasheet, PDF (368/400 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High Performance PWM and A/D

PIC18F2331/2431/4331/4431
FIGURE 25-17: SSP I²C™ BUS START/STOP BITS TIMING WAVEFORMS
SCL
SDA
91
90
93
92
Start
Condition
Note: Refer to Figure 25-4 for load conditions.
Stop
Condition
TABLE 25-17: SSP I²C™ BUS START/STOP BITS REQUIREMENTS
Param.
No.
Symbol
Characteristic
Min
Max
90
TSU:STA Start Condition
100 kHz mode 2(TOSC)(BRG + 1) —
Setup Time
400 kHz mode 2(TOSC)(BRG + 1) —
1 MHz mode⁽¹⁾ 2(TOSC)(BRG + 1)
—
91
THD:STA Start Condition
100 kHz mode 2(TOSC)(BRG + 1) —
Hold Time
400 kHz mode 2(TOSC)(BRG + 1) —
1 MHz mode⁽¹⁾ 2(TOSC)(BRG + 1)
—
92
TSU:STO Stop Condition
100 kHz mode 2(TOSC)(BRG + 1) —
Setup Time
400 kHz mode 2(TOSC)(BRG + 1) —
1 MHz mode⁽¹⁾ 2(TOSC)(BRG + 1)
—
93
THD:STO Stop Condition
100 kHz mode 2(TOSC)(BRG + 1) —
Hold Time
400 kHz mode 2(TOSC)(BRG + 1) —
1 MHz mode⁽¹⁾ 2(TOSC)(BRG + 1)
—
Note 1: Maximum pin capacitance = 10 pF for all I²C pins.
Units
Conditions
ns Only relevant for
Repeated Start
condition
ns After this period, the
first clock pulse is
generated
ns
ns
FIGURE 25-18: SSP I²C™ BUS DATA TIMING
SCL
SDA
In
SDA
Out
103
90
91
109
100
101
106
107
109
Note: Refer to Figure 25-4 for load conditions.
102
92
110
DS39616C-page 366
Preliminary
© 2007 Microchip Technology Inc.