mpc5645s Freescale Semiconductor, Inc, mpc5645s Datasheet - Page 124
mpc5645s
Manufacturer Part Number
mpc5645s
Description
Mpc5645s Microcontroller Data Sheet
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MPC5645S.pdf
(140 pages)
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Electrical characteristics
4.18.11 I
1
2
124
1
2
3
4
Num
Num
1
2
3
4
5
6
7
8
9
1
2
4
6
7
8
9
Parameter values guaranteed by design.
Inter Peripheral Clock is the clock at which the I
Programming IBFD (I
I
affected by the prescale and division values programmed in IFDR.
Parameter values guaranteed by design.
Inter Peripheral Clock is the clock at which the I
Because SCL and SDA are open-drain-type outputs, which the processor can only actively drive low, the time SCL or SDA
takes to reach a high level depends on external signal capacitance and pull-up resistor values.
2
1
1
4
1
1
1
1
1
1
C interface is designed to scale the data transition time, moving it to the middle of the SCL low period. The actual position is
—
—
—
—
—
—
—
Symbol
—
—
—
—
—
—
—
—
—
Symbol
CC
CC
CC
CC
CC
CC
CC
2
CC
CC
CC
CC
CC
CC
CC
CC
CC
C timing
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
C
D Start condition hold time
D Clock low time
D Data hold time
D Clock high time
D Data setup time
D Start condition setup time (for repeated
D Stop condition setup time
C
D Start condition hold time
D Clock low time
D SCL/SDA rise time
D Data hold time
D SCL/SDA fall time
D Clock high time
D Data setup time
D Start condition setup time (for repeated
D Stop condition setup time
2
C bus Frequency Divider) with the maximum frequency results in the minimum output timings listed. The
start condition only)
start condition only)
Table 69. I
Table 68. I
Characteristic
Characteristic
MPC5645S Microcontroller Data Sheet, Rev. 6
2
2
C output timing specifications—SCL and SDA
C input timing specifications—SCL and SDA
2
2
C peripheral is working in the device
C peripheral is working in the device
Min. Value
Min. Value
10
10
10
—
—
20
0.0
0.0
6
7
2
2
8
4
2
2
Max. Value
Max. Value
99.6
99.5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
IP-Bus Cycle
IP-Bus Cycle
IP-Bus Cycle
IP-Bus Cycle
IP-Bus Cycle
IP-Bus Cycle
IP-Bus Cycle
IP-Bus Cycle
IP-Bus Cycle
IP-Bus Cycle
IP-Bus Cycle
IP-Bus Cycle
Freescale Semiconductor
Unit
Unit
ns
ns
ns
ns
2
2
2
2
2
3
2
2
2
2
2
2
SpecID
SpecID
A12.10
A12.11
A12.12
A12.13
A12.14
A12.15
A12.16
A12.1
A12.2
A12.3
A12.4
A12.5
A12.6
A12.7
A12.8
A12.9
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