Datasheet
PIC32MX1XX/2XX
DS61168E-page 268 Preliminary 2011-2012 Microchip Technology Inc.
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 T
A +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) — s—
400 kHz mode TPB * (BRG + 2) — s—
1 MHz mode
(Note 2)
T
PB * (BRG + 2) — s—
IM11 THI:SCL Clock High Time 100 kHz mode TPB * (BRG + 2) — s—
400 kHz mode T
PB * (BRG + 2) — s—
1 MHz mode
(Note 2)
T
PB * (BRG + 2) — s—
IM20 TF:SCL SDAx and SCLx
Fall Time
100 kHz mode — 300 ns CB is specified to be
from 10 to 400 pF
400 kHz mode 20 + 0.1 C
B 300 ns
1 MHz mode
(Note 2)
— 100 ns
IM21 T
R:SCL SDAx and SCLx
Rise Time
100 kHz mode — 1000 ns CB is specified to be
from 10 to 400 pF
400 kHz mode 20 + 0.1 CB 300 ns
1 MHz mode
(Note 2)
— 300 ns
IM25 T
SU:DAT Data Input
Setup Time
100 kHz mode 250 — ns —
400 kHz mode 100 — ns
1 MHz mode
(Note 2)
100 — ns
IM26 T
HD:DAT Data Input
Hold Time
100 kHz mode 0 — s—
400 kHz mode 0 0.9 s
1 MHz mode
(Note 2)
0 0.3 s
IM30 T
SU:STA Start Condition
Setup Time
100 kHz mode TPB * (BRG + 2) — s Only relevant for
Repeated Start
condition
400 kHz mode T
PB * (BRG + 2) — s
1 MHz mode
(Note 2)
T
PB * (BRG + 2) — s
IM31 THD:STA Start Condition
Hold Time
100 kHz mode TPB * (BRG + 2) — s After this period, the
first clock pulse is
generated
400 kHz mode T
PB * (BRG + 2) — s
1 MHz mode
(Note 2)
TPB * (BRG + 2) — s
IM33 T
SU:STO Stop Condition
Setup Time
100 kHz mode TPB * (BRG + 2) — s—
400 kHz mode TPB * (BRG + 2) — s
1 MHz mode
(Note 2)
T
PB * (BRG + 2) — s
IM34 THD:STO Stop Condition 100 kHz mode TPB * (BRG + 2) — ns —
Hold Time 400 kHz mode T
PB * (BRG + 2) — ns
1 MHz mode
(Note 2)
T
PB * (BRG + 2) — ns
Note 1: BRG is the value of the I
2
C™ 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.