PIC32MX1XX Datasheet, PDF (269/320 Pages) Microchip Technology – 32-bit Microcontrollers (up to 128 KB Flash and 32 KB SRAM) with Audio and Graphics Interfaces, USB, and Advanced Analog

PIC32MX1XX/2XX
TABLE 29-30: I2Cx BUS DATA TIMING REQUIREMENTS (MASTER MODE)
AC CHARACTERISTICS
Standard Operating Conditions: 2.3V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤TA ≤+85°C for Industrial
-40°C ≤TA ≤+105°C for V-temp
Param.
No.
Symbol
Characteristics
Min.⁽¹⁾
Max. Units
Conditions
IM10 TLO:SCL Clock Low Time 100 kHz mode TPB * (BRG + 2) —
μs
400 kHz mode TPB * (BRG + 2) —
μs
1 MHz mode TPB * (BRG + 2) —
μs
(Note 2)
IM11 THI:SCL Clock High Time 100 kHz mode TPB * (BRG + 2) —
μs
400 kHz mode TPB * (BRG + 2) —
μs
1 MHz mode TPB * (BRG + 2) —
μs
(Note 2)
IM20
TF:SCL SDAx and SCLx 100 kHz mode
Fall Time
400 kHz mode
—
20 + 0.1 CB
300
ns
300
ns
1 MHz mode
(Note 2)
—
100
ns
IM21
TR:SCL SDAx and SCLx 100 kHz mode
Rise Time
400 kHz mode
—
20 + 0.1 CB
1000
ns
300
ns
1 MHz mode
(Note 2)
—
300
ns
IM25 TSU:DAT Data Input
100 kHz mode
250
Setup Time
400 kHz mode
100
—
ns
—
ns
1 MHz mode
100
—
ns
(Note 2)
IM26 THD:DAT Data Input
100 kHz mode
0
Hold Time
400 kHz mode
0
—
μs
0.9
μs
1 MHz mode
0
0.3
μs
(Note 2)
IM30 TSU:STA Start Condition 100 kHz mode TPB * (BRG + 2) —
μs
Setup Time
400 kHz mode TPB * (BRG + 2) —
μs
1 MHz mode TPB * (BRG + 2) —
μs
(Note 2)
IM31 THD:STA Start Condition 100 kHz mode TPB * (BRG + 2) —
μs
Hold Time
400 kHz mode TPB * (BRG + 2) —
μs
1 MHz mode TPB * (BRG + 2) —
μs
(Note 2)
IM33 TSU:STO Stop Condition 100 kHz mode TPB * (BRG + 2) —
μs
Setup Time
400 kHz mode TPB * (BRG + 2) —
μs
1 MHz mode TPB * (BRG + 2) —
μs
(Note 2)
IM34 THD:STO Stop Condition 100 kHz mode TPB * (BRG + 2) —
ns
Hold Time
400 kHz mode TPB * (BRG + 2) —
ns
1 MHz mode TPB * (BRG + 2) —
ns
(Note 2)
Note 1: BRG is the value of the I²C™ Baud Rate Generator.
2: Maximum pin capacitance = 10 pF for all I2Cx pins (for 1 MHz mode only).
3: The typical value for this parameter is 104 ns.
—
—
—
—
—
—
CB is specified to be
from 10 to 400 pF
CB is specified to be
from 10 to 400 pF
—
—
Only relevant for
Repeated Start
condition
After this period, the
first clock pulse is
generated
—
—
© 2011-2012 Microchip Technology Inc.
Preliminary
DS61168D-page 269