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MPC8280 Datasheet(PDF) 754 Page - Freescale Semiconductor, Inc

Part # MPC8280
Description  PowerQUICC??II Family Reference Manual
PDF  1386 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC8280 Datasheet(HTML) 754 Page - Freescale Semiconductor, Inc

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SCC HDLC Mode
MPC8280 PowerQUICC II Family Reference Manual, Rev. 1
22-24
Freescale Semiconductor
To program the general SCC mode register (GSMR), set the bits as described below:
•
Set MODE to HDLC mode (0b0000).
•
Configure CTSS to 1 and all other bits to zero or default.
•
Configure the DIAG bits for normal operation (0b00).
•
Configure RDCR and TDCR for 1
× clock (0b00).
•
Configure TENC and RENC for NRZ (0b000).
•
Clear RTSM to send idles between frames.
•
Set GSMR_L[ENT, ENR] as the last step to begin operation.
22.14.6.2 HDLC Bus Controller Programming Example
Except for the above discussion in Section 22.14.6.1, “Programming GSMR and PSMR for the HDLC Bus
Protocol,” use the example in Section 22.13.1, “SCC HDLC Programming Example #1.”



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