Welltech SPCI2S Intel NetStructure SS7 Boards - Manual (Page 69)

SS7 Programmer’s Manual for SPCI2, SPCI4 and CPM8 Issue 2 Page 69
5.3.11 Configure Clock Request
Synopsis:
Message sent to a SPCI2S, SPCI4 or CPM8 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 0
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 ref2_mode
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) will indicate success by a status of 0.