PIC18F2331 Datasheet, PDF (369/396 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
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)
Note 1:
Hold time
400 kHz mode 2(TOSC)(BRG + 1)
1 MHz mode⁽¹⁾ 2(TOSC)(BRG + 1)
Maximum pin capacitance = 10 pF for all I²C pins.
Max 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
 2003 Microchip Technology Inc.
Preliminary
DS39616B-page 367