MPC859T FREESCALE [Freescale Semiconductor, Inc], MPC859T Datasheet - Page 69

• Manufacturer Part Number: MPC859T
• Description: Hardware Specifications
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Table 29 shows the I
Figure 71 shows the I
MOTOROLA
1
Num
SCL frequency is given by SCL = BrgClk_frequency / ((BRG register + 3) * pre_scaler * 2).
The ratio SyncClk/(Brg_Clk/pre_scaler) must be greater or equal to 4/1.
200
200
202
203
204
205
206
207
208
209
210
211
SDA
SCL
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
205
202
2
Characteristic
206
C (SCL > 100 kHz) timings.
2
C bus timing.
Freescale Semiconductor, Inc.
203
For More Information On This Product,
MPC866/859 Hardware Specifications
Table 29. I
Figure 71. I
1
Go to: www.freescale.com
207
2
C Timing (SCL > 100 kHz)
209
2
Expression
C Bus Timing Diagram
fSCL
fSCL
—
—
—
—
—
—
—
—
—
—
204
210
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
CPM Electrical Characteristics
208
1/(10 * fSCL)
1/(33 * fSCL)
BRGCLK/48
BRGCLK/48
Max
—
—
—
—
—
—
—
—
211
Unit
Hz
Hz
s
s
s
s
s
s
s
s
s
s
69