MPC850 datasheet(43/68 Pages) MOTOROLA

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MOTOROLA

MPC850 (Rev. A/B/C) Hardware Speciﬁcations

Timer AC Electrical Speciﬁcations

8.4

Timer AC Electrical Speciﬁcations

Table 16 provides the baud rate generator timings as shown in Figure 44.

Figure 44. CPM General-Purpose Timers Timing Diagram

8.5

Serial Interface AC Electrical Speciﬁcations

Table 17 provides the serial interface timings as shown in Figure 45 to Figure 49.

Table 16. Timer Timing

Num

Characteristic

All Frequencies

Unit

Min

Max

TIN/TGATE rise and fall time

10.00

—

TIN/TGATE low time

1.00

—

clk

TIN/TGATE high time

2.00

—

clk

TIN/TGATE cycle time

3.00

—

clk

CLKO high to TOUT valid

3.00

25.00

Table 17. SI Timing

Num

Characteristic

All Frequencies

Unit

Min

Max

L1RCLK, L1TCLK frequency (DSC = 0) 1, 2

—

SYNCCLK/2.

MHz

L1RCLK, L1TCLK width low (DSC = 0) 2

P + 10

—

71a

L1RCLK, L1TCLK width high (DSC = 0) 3

P + 10

—

L1TXD, L1STn, L1RQ, L1xCLKO rise/fall time

—

15.00

L1RSYNC, L1TSYNC valid to L1xCLK edge Edge

(SYNC setup time)

20.00

—

CLKOUT

TIN/TGATE

(Input)

TOUT

(Output)

MPC850 Datasheet(PDF) 43 Page - Motorola, Inc

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