Dialogic DSI SPCI Network Interface Boards Manuel d'utilisateur Page 74

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6 Message Reference
74
6.3.11 Configure Clock Request
Synopsis:
Message sent to a DSI SPCI Board to configure the clocking mode for the
board.
Message Format:
MESSAGE HEADER
Field Name Meaning
type MVD_MSG_CNFCLOCK (0x7e20)
id
0
src
Sending Module ID
dst MVD_TASK_ID
rsp_req
used to request a confirmation
hclass
0
status Status Response (if confirmation requested)
err_info
0
len
8
PARAMETER AREA
Offset Size Name
0 2 bus_speed
2 2 clk_mode
4 2 pll_clk_src
6 2 ref1_mode
8 2 Reserved. Set to zero
Description:
This message is used to control the on-board clock circuitry. It allows the
user to select the CT bus clocking mode and the reference clock sources for
the local and bus reference clocks.
The confirmation message (if requested) indicates success by status of zero.
Parameter Description:
bus_speed
This parameter is used to set the CT bus speed; the permissible values are as
follows:
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