mpc850de Freescale Semiconductor, Inc, mpc850de Datasheet - Page 43

• Manufacturer Part Number: mpc850de
• Description: Mpc850 Rev. A/b/c Communications Controller
• Manufacturer: Freescale Semiconductor, Inc

8.4
Table 16 provides the baud rate generator timings as shown in Figure 44.
8.5
Table 17 provides the serial interface timings as shown in Figure 45 to Figure 49.
MOTOROLA
Num
71a
70
71
72
73
Timer AC Electrical Specifications
Serial Interface AC Electrical Specifications
L1RCLK, L1TCLK frequency (DSC = 0)
L1RCLK, L1TCLK width low (DSC = 0)
L1RCLK, L1TCLK width high (DSC = 0)
L1TXD, L1STn, L1RQ, L1xCLKO rise/fall time
L1RSYNC, L1TSYNC valid to L1xCLK edge Edge
(SYNC setup time)
Num
61
62
63
64
65
Figure 44. CPM General-Purpose Timers Timing Diagram
TIN/TGATE rise and fall time
TIN/TGATE low time
TIN/TGATE high time
TIN/TGATE cycle time
CLKO high to TOUT valid
MPC850 (Rev. A/B/C) Hardware Specifications
Characteristic
Characteristic
Table 16. Timer Timing
Table 17. SI Timing
2
1, 2
3
All Frequencies
10.00
1.00
2.00
3.00
3.00
Min
P + 10
P + 10
20.00
Min
—
—
All Frequencies
Timer AC Electrical Specifications
25.00
Max
—
—
—
—
SYNCCLK/2.
15.00
Max
—
—
—
5
Unit
clk
clk
clk
ns
ns
MHz
Unit
ns
ns
ns
ns
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