
MPC8560 Integrated Processor Hardware Specifications, Rev. 4.2
Freescale Semiconductor
49
CPM
Table 37 and Table 38 are examples of I2C AC parameters at I2C clock value of 100 kHz and 400 kHz respectively.
Table 37. CPM I2C AC Timing (fSCL = 100 kHz)
Characteristic
Symbol
Min
Max
Unit
SCL clock frequency (slave)
fSCL
—
100
KHz
SCL clock frequency (master)
fSCL
—
100
KHz
Bus free time between transmissions
tSDHDL
4.7
—
μs
Low period of SCL
tSCLCH
4.7
—
μs
High period of SCL
tSCHCL
4—
μs
Start condition setup time 2
tSCHDL
2—
μs
Start condition hold time 2
tSDLCL
3—
μs
Data hold time 2
tSCLDX
2—
μs
Data setup time 2
tSDVCH
3—
μs
SDA/SCL rise time
tSRISE
—1
μs
SDA/SCL fall time
tSFALL
—
303
ns
Stop condition setup time
tSCHDH
2—
μs
Table 38. CPM I2C AC Timing (fSCL = 400 kHz)
Characteristic
Symbol
Min
Max
Unit
SCL clock frequency (slave)
fSCL
—
400
KHz
SCL clock frequency (master)
fSCL
—
400
KHz
Bus free time between transmissions
tSDHDL
1.2
—
μs
Low period of SCL
tSCLCH
1.2
—
μs
High period of SCL
tSCHCL
1—
μs
Start condition setup time 2
tSCHDL
420
—
ns
Start condition hold time 2
tSDLCL
630
—
ns
Data hold time 2
tSCLDX
420
—
ns
Data setup time 2
tSDVCH
630
—
ns
SDA/SCL rise time
tSRISE
—
250
ns
SDA/SCL fall time
tSFALL
—75
ns
Stop condition setup time
tSCHDH
420
—
ns