MC145572AACR2 Freescale Semiconductor, MC145572AACR2 Datasheet - Page 195
MC145572AACR2
Manufacturer Part Number
MC145572AACR2
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC145572AACR2.pdf
(264 pages)
Specifications of MC145572AACR2
Number Of Line Interfaces
1
Control Interface
HDLC
Lead Free Status / Rohs Status
Compliant
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MOTOROLA
10.15
SWITCHING CHARACTERISTICS FOR BAUD CLOCKS
(V DD = 5.0 V
NOTE: Measurements are made from the point at which they achieve their guaranteed minimum or maximum logic levels.
Rx BAUD
Tx BAUD
Ref. No.
Tx BAUD
CLOCK
CLOCK
(2B1Q)
TxSFS
CLOCK
147
148
149
150
TxSFS
LINE
+ 3
+ 1
- 1
3
2B1Q Baud Period
Start of 2B1Q Baud to Tx Baud Clock Rising Edge
Tx Baud Clock Width High, Rx Baud Clock TxSFS
Superframe Period
5%, T A = – 40 to + 85 C, C L = 50 pF; See Figure 10–15)
Freescale Semiconductor, Inc.
149
For More Information On This Product,
END OF BASIC
Figure 10–20. Tx Superframe Sync Pulse Alignment
FRAME #1
148
Go to: www.freescale.com
Figure 10–19. Baud Clock Timing
147
Parameter
MC145572
147
149
150
SYNC WORD
147
149
Min
—
—
75
—
12.5
Typ
90
12
9
START OF BASIC
FRAME #2
Max
100
—
—
—
10–33
Unit
ms
ns
s
s
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