MC145572AC Freescale Semiconductor, MC145572AC Datasheet - Page 81
MC145572AC
Manufacturer Part Number
MC145572AC
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC145572AC.pdf
(264 pages)
Specifications of MC145572AC
Number Of Line Interfaces
1
Control Interface
HDLC
Lead Free Status / Rohs Status
Compliant
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MOTOROLA
5.3.1.3
BYTE REGISTER OPERATION
The 16 byte registers are addressed by addressing nibble address 7 followed by a 4–bit byte register
address (A3:A0), as shown in Figures 5–9 and 5–10. A second 8–bit operation transfers the data
word (D7:D0). Alternatively, these registers can be accessed with a single 16–bit operation, as shown
in Figures 5–11 and 5–12.
SCPCLK
SCPCLK
SCPEN
SCPEN
SCPRx
SCPRx
SCPTx
SCPTx
Figure 5–10. SCP Byte Register Read Operation Using Double 8
Figure 5–9. SCP Byte Register Write Operation Using Double 8
R/W
R/W
Freescale Semiconductor, Inc.
For More Information On This Product,
HIGH IMPEDANCE
Go to: www.freescale.com
A3
A3
MC145572
A2
A2
A1
A1
A0
A0
HIGH IMPEDANCE
DON'T CARE
DON'T CARE
DON'T CARE
D7
D7
D6
D6
D5
D5
DON'T CARE
D4
D4
D3
D3
–
–
Bit Transfer
Bit Transfer
D2
D2
D1
D1
D0
D0
5–9
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