XPC850ZT50BU Datasheet, PDF (48/76 Pages) Motorola, Inc – Communications Controller Hardware Specifications

Timer AC Electrical Specifications
8.4 Timer AC Electrical Specifications
Table 8-16 provides the baud rate generator timings as shown in Figure 8-44.
Table 8-16. Timer Timing
Num
Characteristic
61 TIN/TGATE rise and fall time
62 TIN/TGATE low time
63 TIN/TGATE high time
64 TIN/TGATE cycle time
65 CLKO high to TOUT valid
All Frequencies
Unit
Min
Max
10.00
—
ns
1.00
—
clk
2.00
—
clk
3.00
—
clk
3.00 25.00 ns
CLKOUT
TIN/TGATE
(Input)
TOUT
(Output)
61
61
63
65
62
64
Figure 8-44. CPM General-Purpose Timers Timing Diagram
8.5 Serial Interface AC Electrical Specifications
Table 8-17 provides the serial interface timings as shown in Figure 8-45 to Figure 8-49.
Table 8-17. SI Timing
Num
Characteristic
70 L1RCLK, L1TCLK frequency (DSC = 0) ^{1, 2}
71 L1RCLK, L1TCLK width low (DSC = 0) ²
71a L1RCLK, L1TCLK width high (DSC = 0) ³
72 L1TXD, L1STn, L1RQ, L1xCLKO rise/fall time
73 L1RSYNC, L1TSYNC valid to L1xCLK edge Edge
(SYNC setup time)
All Frequencies
Min
Max
—
P + 10
P + 10
—
20.00
SYNCCLK/2.
5
—
—
15.00
—
Unit
MHz
ns
ns
ns
ns
48
MPC850 (Rev. A/B/C) Hardware Specifications
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