Datasheet

© 2009-2011 Microchip Technology Inc. DS61156G-page 211
PIC32MX5XX/6XX/7XX
TABLE 31-33: I2Cx BUS DATA TIMING REQUIREMENTS (SLAVE 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. Max. Units Conditions
IS10 TLO:SCL Clock Low Time 100 kHz mode 4.7 — μs PBCLK must operate at a
minimum of 800 kHz
400 kHz mode 1.3 —
μs PBCLK must operate at a
minimum of 3.2 MHz
1 MHz mode
(1)
0.5 — μs—
IS11 T
HI:SCL Clock High Time 100 kHz mode 4.0 — μs PBCLK must operate at a
minimum of 800 kHz
400 kHz mode 0.6 —
μs PBCLK must operate at a
minimum of 3.2 MHz
1 MHz mode
(1)
0.5 — μs—
IS20 T
F: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
(1)
—100ns
IS21 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 C
B 300 ns
1 MHz mode
(1)
—300ns
IS25 T
SU:DAT Data Input
Setup Time
100 kHz mode 250 — ns —
400 kHz mode 100 — ns
1 MHz mode
(1)
100 — ns
IS26 T
HD:DAT Data Input
Hold Time
100 kHz mode 0 — ns —
400 kHz mode 0 0.9
μs
1 MHz mode
(1)
00.3μs
IS30 T
SU:STA Start Condition
Setup Time
100 kHz mode 4700 — ns Only relevant for Repeated
Start condition
400 kHz mode 600 — ns
1 MHz mode
(1)
250 — ns
IS31 T
HD:STA Start Condition
Hold Time
100 kHz mode 4000 — ns After this period, the first
clock pulse is generated
400 kHz mode 600 — ns
1 MHz mode
(1)
250 — ns
IS33 T
SU:STO Stop Condition
Setup Time
100 kHz mode 4000 — ns —
400 kHz mode 600 — ns
1 MHz mode
(1)
600 — ns
IS34 T
HD:STO Stop Condition
Hold Time
100 kHz mode 4000 — ns —
400 kHz mode 600 — ns
1 MHz mode
(1)
250 ns
IS40 T
AA:SCL Output Valid from
Clock
100 kHz mode 0 3500 ns —
400 kHz mode 0 1000 ns
1 MHz mode
(1)
0350ns
IS45 T
BF:SDA Bus Free Time 100 kHz mode 4.7 — μs The amount of time the bus
must be free before a new
transmission can start
400 kHz mode 1.3 —
μs
1 MHz mode
(1)
0.5 — μs
IS50 C
B Bus Capacitive Loading — 400 pF —
Note 1: Maximum pin capacitance = 10 pF for all I2Cx pins (for 1 MHz mode only).