PIC18F87K22 Datasheet, PDF (517/548 Pages) Microchip Technology – 64/80-Pin, High-Performance, 1-Mbit Enhanced Flash Microcontrollers with 12-Bit A/D and nanoWatt XLP Technology

PIC18F87K22 FAMILY
FIGURE 31-21: MSSP I²C™ BUS START/STOP BITS TIMING WAVEFORMS
SCLx
SDAx
91
90
93
92
Start
Condition
Note: Refer to Figure 31-3 for load conditions.
Stop
Condition
TABLE 31-22: MSSP 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 31-22: MSSP I²C™ BUS DATA TIMING
SCLx
SDAx
In
SDAx
Out
103
90
91
109
100
101
106
107
109
Note: Refer to Figure 31-3 for load conditions.
102
92
110
 2010 Microchip Technology Inc.
Preliminary
DS39960B-page 517