Si5327-EVB Silicon Laboratories Inc, Si5327-EVB Datasheet - Page 42

• 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

Si5327
Reset value = 0010 0000
Reset value = 0000 0110
42
Register 128.
Register 129.
Name
Name
Type
Type
7:2
7:3
Bit
Bit
Bit
Bit
1
0
2
1
0
CK2_ACTV_REG
CK1_ACTV_REG
LOSX_INT
LOS2_INT
LOS1_INT
Reserved
D7
Name
R
D7
Reserved
R
Name
D6
R
LOS2_INT.
Indicates the LOS status on CKIN2.
0: Normal operation.
1: Internal loss-of-signal alarm on CKIN2 input.
LOS1_INT.
Indicates the LOS status on CKIN1.
0: Normal operation.
1: Internal loss-of-signal alarm on CKIN1 input.
LOSX_INT.
Indicates the LOS status of the external reference on the XA/XB pins.
0: Normal operation.
1: Internal loss-of-signal alarm on XA/XB reference clock input.
D6
R
CK2_ACTV_REG.
Indicates if CKIN2 is currently the active clock for the PLL input.
0: CKIN2 is not the active input clock. Either it is not selected or LOS2_INT is 1.
1: CKIN2 is the active input clock.
CK1_ACTV_REG.
Indicates if CKIN1 is currently the active clock for the PLL input.
0: CKIN1 is not the active input clock. Either it is not selected or LOS1_INT is 1.
1: CKIN1 is the active input clock.
D5
R
D5
R
D4
R
Preliminary Rev. 0.4
D4
R
D3
R
Function
D3
D2
Function
R
R
CK2_ACTV_REG CK1_ACTV_REG
LOS2_INT
D2
R
D1
R
LOS1_INT
D1
R
D0
LOSX_INT
R
D0
R