MPC860 Motorola, MPC860 Datasheet - Page 64

• Manufacturer Part Number: MPC860
• Description: Family Hardware Specifications
• Manufacturer: Motorola

I2C AC Electrical Specifications
11.11I
Table 11-24 provides the I
1
Table 11-25 provides the I
64
Num
Num
SCL frequency is given by SCL = BRGCLK_frequency / ((BRG register + 3 × pre_scaler × 2).
The ratio SYNCCLK/(BRGCLK / pre_scaler) must be greater or equal to 4/1.
200
200
202
203
204
205
206
207
208
209
210
211
200
200
202
203
204
205
206
207
208
209
210
211
SCL clock frequency (slave)
SCL clock frequency (master)
Bus free time between transmissions
Low period of SCL
High period of SCL
Start condition setup time
Start condition hold time
Data hold time
Data setup time
SDL/SCL rise time
SDL/SCL fall time
Stop condition setup time
SCL clock frequency (slave)
SCL clock frequency (master)
Bus free time between transmissions
Low period of SCL
High period of SCL
Start condition setup time
Start condition hold time
Data hold time
Data setup time
SDL/SCL rise time
SDL/SCL fall time
Stop condition setup time
2
C AC Electrical Specifications
Characteristic
Table 11-25. . I
Table 11-24. I
2
2
MPC860 Family Hardware Specifications
C (SCL < 100 kHz) timings.
C (SCL > 100 kHz) timings.
Characteristic
1
1
2
2
C Timing (SCL < 100 kH
C Timing (SCL > 100 kH
Expression
fSCL
fSCL
BRGCLK/16512
1/2(2.2 * fSCL)
1/(2.2 * fSCL)
1/(2.2 * fSCL)
1/(2.2 * fSCL)
1/(2.2 * fSCL)
1/(2.2 * fSCL)
1/(40 * fSCL)
Min
—
—
0
0
All Frequencies
Z
Min
250
1.5
4.7
4.7
4.0
4.7
4.0
4.7
Z
All Frequencies
—
—
)
0
0
)
1/(10 * fSCL)
1/(33 * fSCL)
BRGCLK/48
BRGCLK/48
Max
—
—
—
—
—
—
—
—
Max
100
100
300
—
—
—
—
—
—
—
—
1
MOTOROLA
Unit
Unit
kHz
kHz
Hz
Hz
µs
µs
µs
µs
µs
µs
µs
µs
ns
ns
s
s
s
s
s
s
s
s
s
s