PIC18F452-IPT Datasheet, PDF (286/332 Pages) Microchip Technology – High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D

PIC18FXX2
FIGURE 22-18: MASTER SSP I²C BUS START/STOP BITS TIMING WAVEFORMS
SCL
SDA
91
90
93
92
START
Condition
Note: Refer to Figure 22-4 for load conditions.
STOP
Condition
TABLE 22-17: MASTER 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)
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.
Max Units
Conditions
— ns Only relevant for
—
Repeated START
condition
—
— ns After this period, the
—
first clock pulse is
—
generated
— ns
—
—
— ns
—
—
FIGURE 22-19:
SCL
SDA
In
SDA
Out
MASTER SSP I²C BUS DATA TIMING
103
100
101
90
91
106
107
109
109
Note: Refer to Figure 22-4 for load conditions.
102
92
110
DS39564C-page 284
© 2006 Microchip Technology Inc.