Si5327-EVB Silicon Laboratories Inc, Si5327-EVB Datasheet - Page 47

• Manufacturer Part Number: Si5327-EVB
• Description: MCU, MPU & DSP Development Tools SI5327 EVAL BOARD
• Manufacturer: Silicon Laboratories Inc

Specifications of Si5327-EVB

• Processor To Be Evaluated: Si5327
• Interface Type: I2C, SPI
• Operating Supply Voltage: 3.3 V
• Lead Free Status / Rohs Status: Details

Reset value = 0000 0000
Reset value = 0000 1111
Register 137.
Register 138.
Name
Name
Type
Type
7:1
7:2
Bit
Bit
Bit
Bit
0
1
0
LOS2_EN
LOS1_EN
Reserved
FASTLOCK
Reserved
Name
D7
D7
R
R
Name
Enable CKIN2 LOS Monitoring on the Specified Input (2 of 2).
Note: LOS2_EN is split between two registers.
00: Disable LOS monitoring
01: Reserved
10: Enable LOSA monitoring
11: Enable LOS monitoring
LOSA is a slower and less sensitive version of LOS. SEe the Si53xx Family Reference
Manual for details.
Enable CKIN1 LOS Monitoring on the Specified Input (1 of 2).
Note: LOS1_EN is split between two registers.
00: Disable LOS monitoring
01: Reserved
10: Enable LOSA monitoring
11: Enable LOS monitoring
LOSA is a slower and less sensitive version of LOS. See the Si53xx Family Reference
Manual for details.
D6
D6
R
R
Do not modify.
This bit must be set to 1 to enable FASTLOCK. This improves initial lock time by
dynamically changing the loop bandwidth.
D5
D5
R
R
Preliminary Rev. 0.4
D4
D4
R
R
Function
Function
D3
D3
R
R
D2
D2
R
R
LOS2_EN
R/W
D1
D1
R
Si5327
FASTLOCK
LOS1_EN
R/W
R/W
D0
D0
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