Microchip Technology TDGL002 - chipKIT Uno32 Development Board TDGL002 TDGL002 Data Sheet
Product codes
TDGL002
PIC32MX3XX/4XX
DS61143H-page 178
© 2011 Microchip Technology Inc.
TABLE 29-33: I2Cx BUS DATA TIMING REQUIREMENTS (SLAVE MODE)
AC CHARACTERISTICS
Standard Operating Conditions: 2.3V to 3.6V
(unless otherwise stated)
Operating temperature
(unless otherwise stated)
Operating temperature
-40°C
≤ T
A
≤ +85°C for Industrial
-40°C
≤ T
A
≤ +105°C for V-Temp
Param.
No.
Symbol
Characteristics
Min.
Max.
Units
Conditions
IS10
T
LO
:
SCL
Clock Low Time
100 kHz mode
4.7
—
μs
PBCLK must operate at a
minimum of 800 KHz.
minimum of 800 KHz.
400 kHz mode
1.3
—
μs
PBCLK must operate at a
minimum of 3.2 MHz.
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.
minimum of 800 KHz.
400 kHz mode
0.6
—
μs
PBCLK must operate at a
minimum of 3.2 MHz.
minimum of 3.2 MHz.
1 MHz mode
(1)
0.5
—
μs
—
IS20
T
F
:
SCL
SDAx and SCLx
Fall Time
Fall Time
100 kHz mode
—
300
ns
C
B
is specified to be from
10 to 400 pF.
400 kHz mode
20 + 0.1 C
B
300
ns
1 MHz mode
(1)
—
100
ns
IS21
T
R
:
SCL
SDAx and SCLx
Rise Time
Rise Time
100 kHz mode
—
1000
ns
C
B
is specified to be from
10 to 400 pF.
400 kHz mode
20 + 0.1 C
B
300
ns
1 MHz mode
(1)
—
300
ns
IS25
T
SU
:
DAT
Data Input
Setup Time
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
Hold Time
100 kHz mode
0
—
ns
—
400 kHz mode
0
0.9
μs
1 MHz mode
(1)
0
0.3
μs
IS30
T
SU
:
STA
Start Condition
Setup Time
Setup Time
100 kHz mode
4700
—
ns
Only relevant for Repeated
Start condition.
Start condition.
400 kHz mode
600
—
ns
1 MHz mode
(1)
250
—
ns
IS31
T
HD
:
STA
Start Condition
Hold Time
Hold Time
100 kHz mode
4000
—
ns
After this period, the first
clock pulse is generated.
clock pulse is generated.
400 kHz mode
600
—
ns
1 MHz mode
(1)
250
—
ns
IS33
T
SU
:
STO
Stop Condition
Setup Time
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
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
Clock
100 kHz mode
0
3500
ns
—
400 kHz mode
0
1000
ns
1 MHz mode
(1)
0
350
ns
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.
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).