DSPIC30F6011A_11 Datasheet, PDF (204/234 Pages) Microchip Technology – High-Performance 16-bit Digital Signal Controllers

dsPIC30F6011A/6012A/6013A/6014A
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TABLE 23-35:
I²C™ BUS DATA TIMING REQUIREMENTS (MASTER MODE)
AC CHARACTERISTICS
Standard Operating Conditions: 2.5V to 5.5V
(unless otherwise stated)
Operating temperature -40°C ≤TA ≤+85°C for Industrial
-40°C ≤TA ≤+125°C for Extended
Param
No.
Symbol
Characteristic
Min⁽¹⁾
Max Units
Conditions
IM10 TLO:SCL Clock Low Time 100 kHz mode TCY / 2 (BRG + 1) —
µs
400 kHz mode TCY / 2 (BRG + 1) —
µs
1 MHz mode⁽²⁾ TCY / 2 (BRG + 1) —
µs
IM11 THI:SCL Clock High Time 100 kHz mode TCY / 2 (BRG + 1) —
µs
400 kHz mode TCY / 2 (BRG + 1) —
µs
1 MHz mode⁽²⁾ TCY / 2 (BRG + 1) —
µs
IM20
TF:SCL SDA and SCL
Fall Time
100 kHz mode
400 kHz mode
1 MHz mode⁽²⁾
—
20 + 0.1 CB
—
300
ns CB is specified to be
300
ns ^{from 10 to 400 pF}
100
ns
IM21
TR:SCL SDA and SCL
Rise Time
100 kHz mode
400 kHz mode
1 MHz mode⁽²⁾
—
20 + 0.1 CB
—
1000
300
300
ns CB is specified to be
ns ^{from 10 to 400 pF}
ns
IM25 TSU:DAT Data Input
100 kHz mode
250
Setup Time
400 kHz mode
100
1 MHz mode⁽²⁾
—
—
ns
—
ns
—
ns
IM26 THD:DAT Data Input
100 kHz mode
0
Hold Time
400 kHz mode
0
1 MHz mode⁽²⁾
—
—
ns
0.9
µs
—
ns
IM30 TSU:STA Start Condition 100 kHz mode TCY / 2 (BRG + 1) —
Setup Time
400 kHz mode TCY / 2 (BRG + 1) —
1 MHz mode⁽²⁾ TCY / 2 (BRG + 1) —
µs Only relevant for
µs ^{repeated Start}
µs ^condition
IM31 THD:STA Start Condition 100 kHz mode TCY / 2 (BRG + 1) —
Hold Time
400 kHz mode TCY / 2 (BRG + 1) —
1 MHz mode⁽²⁾ TCY / 2 (BRG + 1) —
µs After this period the
µs ^{first clock pulse is}
generated
µs
IM33 TSU:STO Stop Condition 100 kHz mode TCY / 2 (BRG + 1) —
µs
Setup Time
400 kHz mode TCY / 2 (BRG + 1) —
µs
1 MHz mode⁽²⁾ TCY / 2 (BRG + 1) —
µs
IM34 THD:STO Stop Condition 100 kHz mode TCY / 2 (BRG + 1) —
ns
Hold Time
400 kHz mode TCY / 2 (BRG + 1) —
ns
1 MHz mode⁽²⁾ TCY / 2 (BRG + 1) —
ns
IM40 TAA:SCL Output Valid
100 kHz mode
—
From Clock
400 kHz mode
—
1 MHz mode⁽²⁾
—
3500
ns
1000
ns
—
ns
IM45 TBF:SDA Bus Free Time 100 kHz mode
4.7
400 kHz mode
1.3
1 MHz mode⁽²⁾
—
—
µs Time the bus must be
—
µs ^{free before a new}
—
µs ^{transmission can start}
IM50 CB
Bus Capacitive Loading
—
400
pF
Note 1: BRG is the value of the I²C™ Baud Rate Generator. Refer to Section 21. “Inter-Integrated Circuit™
(I²C)” (DS70046) in the “dsPIC30F Family Reference Manual” .
2: Maximum pin capacitance = 10 pF for all I²C pins (for 1 MHz mode only).
DS70143E-page 204
© 2011 Microchip Technology Inc.