STC5425 Datasheet, PDF (9/48 Pages) Connor-Winfield Corporation – Line Card Clock

Addr
0x36
0x37
0x38
0x3C
0x3E
0x3F
0x40
0x42
0x43
0x44
0x4A
0x4B
0x4C
0x4D
0x4E
0x4F
0x50
0x51
0x52
0x59
0x5A
0x5B
0x5C
0x70
0x71
0x72
0x73
0x74
0x7F
Reg Name
REF_Priority_Table
PLL_Status
PLL_Event_Out
PLL_Event_In
EX_SYNC_Edge_Config
REF1/2_Frame_Phase_Align
REF3_Frame_Phase_Align
REF4/5_Frame_Phase_Align
Synth_Index_Select
Synth_Freq_Value
Synth_Skew_Adj
CLK1_Signal_Level
CLK1_Sel
CLK2_Sel
CLK8K_Sel
CLK2K_Sel
Ref_Freq
Field_Upgrade_Status
Field_Upgrade_Data
Field_Upgrade_Count
Field_Upgrade_Start
MCLK_Freq_Reset
Table 2: Register Map
STC5425
Line Card Clock
Data sheet
Bits
19-0
Type
Description
R/W REF1 ~ REF5 priority table
7-0
7-0
7-0
2-0
7-0
3-0
7-0
3-0
17-0
11-0
0-0
1-0
1-0
6-0
6-0
14-0
2-0
7-0
12-0
R/W PLL status: SYNC, LOS, LOL, OOP, SAP, FEE, DHT, HHA
R/W PLL event out (TBD)
R/W PLL event in: Relock
R/W Select framing edge (falling or rising edge) for EX_SYNC1/2/3
R/W Select framing reference input and sampling edge on selected
REF1 and REF2 for frame alignment
R/W Select framing reference input and sampling edge on selected
REF3 for frame alignment
R/W Select framing reference input and sampling edge on selected
REF4 and REF5 for frame alignment
R/W Determine which synthesizer is selected for setting frequency value
at register Synth_Freq_Value and adjusting phase skew at registers
Synth_Skew_Adj
R/W Selects synthesizer frequency value from 1MHz to 156.25MHz, in
1kHz steps, based on which synthesizer index is selected at the reg-
ister Synth_Index_Select
R/W Adjust phase skew for the synthesizer with the index selected at
register Synth_Index_Select
R/W Select the signal level (LVDS or LVPECL) for clock outputs CLK1
R/W Select synthesizer or enable tri-state for CLK1
R/W Select synthesizer or enable tri-state for CLK2
R/W 8kHz frame pulse clock output duty cycle selection, signal inversion
R/W 2kHz frame pulse clock output duty cycle selection, signal inversion
R/W Select integer N for manually acceptable frequency at Nx8kHz;
Enable auto detection of reference input frequency
R Indicates the status of field upgrade process
R/W Load 7600 bytes of firmware configuration data
R Count byte numbers that have been loaded
7-0
W Write three values consecutively to start the field upgrade process
7-0
R Select the frequency of the external oscillator
Preliminary
Page 9 of 48 TM113
Rev:P1.3
© Copyright the Connor-Winfield Corp. All Rights Reserved Specifications subject to change without notice
Date: September 20, 2011