9SQL4952 Datasheet, PDF (13/20 Pages) Integrated Device Technology – 2-output CK420BQ Derivative

9SQL4952 DATASHEET
SMBus Table: Revision and Vendor ID Register
Byte 5
Name
Control Function
Bit 7
RID3
Bit 6
Bit 5
RID2
RID1
Revision ID
Bit 4
RID0
Bit 3
VID3
Bit 2
Bit 1
VID2
VID1
VENDOR ID
Bit 0
VID0
Type
R
R
R
R
R
R
R
R
0
1
B rev = 0001
0001 = IDT
Default
0
0
0
1
0
0
0
1
SMBus Table: Device Type/Device ID
Byte 6
Name
Bit 7
Device Type1
Bit 6
Device Type0
Bit 5
Device ID5
Bit 4
Device ID4
Bit 3
Device ID3
Bit 2
Device ID2
Bit 1
Device ID1
Bit 0
Device ID0
Control Function
Device Type
Device ID
Type
R
R
R
R
R
R
R
R
0
1
00 = 9SQL49xx
00010 binary or 02 hex
Default
0
0
0
0
0
0
1
0
SMBus Table: Byte Count Register
Byte 7
Name
Bit 7
Bit 6
Bit 5
Bit 4
BC4
Bit 3
BC3
Bit 2
BC2
Bit 1
BC1
Bit 0
BC0
Control Function
Reserved
Reserved
Reserved
Byte Count Programming
Type
0
1
RW
RW Writing to this register will configure how
RW many bytes will be read back, default is
RW
= 8 bytes.
RW
Default
X
X
X
0
1
0
0
0
Bytes 8 and 9 are Reserved.
SMBus Table: PLL MN Enable, PD_Restore
Byte 10
Name
Control Function
Bit 7
PLL M/N En
M/N Programming Enable
Bit 6 Power-Down (PD) Restore Restore Default Config. In PD
Bit 5
Reserved
Bit 4
Reserved
Bit 3
Reserved
Bit 2
Reserved
Bit 1
Reserved
Bit 0
Reserved
Type
0
1
RW M/N Prog. Disabled M/N Prog. Enabled
RW Clear Config in PD Keep Config in PD
Default
0
1
X
X
X
X
X
X
SMBus Table: Stop State Control
Byte 11
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
STP[1]
Bit 0
STP[0]
Control Function
Type
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
True/Complement BCLK Output RW
Disable State
RW
0
00 = Low/Low
01 = HiZ/HiZ
1
10 = High/Low
11 = Low/High
Default
X
X
X
X
X
X
0
0
DECEMBER 12, 2016
13
2-OUTPUT CK420BQ DERIVATIVE