Register field name
Address Base
Bit
length
R/W/RW
Description
Device
mode
DEVICE_PN_BASE
D
0
8
R
Device PN
READY/
ACTIVE
DEVICE_REV
E
0
8
R
Device revision
DEVICE_GRADE
F
0
8
R
Device grade information
FACTORY_OPN_ID0
10
0
4
R
Orderable Part Number,OPN ID-0 (E.g
in Si5357A-C12345-GM3), 1 is encoded
here
FACTORY_OPN_ID1
10
4
4
R
Orderable Part Number,OPN ID-1 (E.g
in Si5357A-C12345-GM3), 2 is encoded
here
FACTORY_OPN_ID3
11
0
4
R
Orderable Part Number,OPN ID-2 (E.g
in Si5357A-C12345-GM3), 3 is encoded
here
FACTORY_OPN_ID2
11
4
4
R
Orderable Part Number,OPN ID-3 (E.g
in Si5357A-C12345-GM3), 4 is encoded
here
FACTORY_OPN_ID4
12
0
4
R
Orderable Part Number,OPN ID-4 (E.g
in Si5357A-C12345-GM3), 5 is encoded
here
FACTORY_OPN_REVISION
12
4
4
R
The OPN revision number. OPN is an ac-
ronym for Orderable Part Number
DESIGN_ID0
17
0
8
R
Design identification set by user in CBPro
project file
DESIGN_ID1
18
0
8
R
DESIGN_ID2
19
0
8
R
DESIGN_ID3
1A
0
8
R
DESIGN_ID4
1B
0
8
R
DESIGN_ID5
1C
0
8
R
I2C_ADDR
21
0
7
R
I2C mode device address. Reset value is
110_0000 binary.
I2C_SCL_PUP_ENA
23
0
1
RW
Enable 50 kohm pullup resistor on SCL
pad.
READY/
ACTIVE
I2C_SDA_PUP_ENA
23
1
1
RW
Enable 50 kohm pullup resistor on SDA
pad.
READY/
ACTIVE
OMUX0_1_SEL0
25
0
2
RW
Selects output mux clock for output clocks
OUT0, OUT1: 0 = PLL reference clock
before prescaler 1 = PLL reference clock
after prescaler 2 = Clock from input buffer
CLKIN_2
READY/
ACTIVE
OMUX0_1_SEL1
25
4
3
RW
Selects output mux clock for output
clocks OUT0, OUT1: 0 = HSDIV0 1
= HSDIV1 2 = HSDIV2 3 = HSDIV3
4 = HSDIV4 5 = ID0 6 = ID1 7 =
Clock from OMUX0_1_SEL0 Note that
the OMUX0_1_SEL1 value is forced to 7
whenever the PLL is disabled
READY/
ACTIVE
Si5357 Reference Manual • Register Map
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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Rev. 0.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 26, 2021
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