Si5327-EVB Silicon Laboratories Inc, Si5327-EVB Datasheet - Page 29

• 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 = 0010 1100
Register 19.
Name
Type
7:5
4:3
2:0
Bit
Bit
VALTIME [1:0] VALTIME [1:0].
LOCKT [2:0]
Reserved
Name
D7
R
Sets amount of time for input clock to be valid before the associated alarm is removed.
00: 2 ms
01: 100 ms
10: 200 ms
11: 13 seconds
LOCKT [2:0].
Sets retrigger interval for one shot monitoring phase detector output. One shot is trig-
gered by phase slip in DSPLL. Refer to the Si53xx Family Reference Manual for more
details. To minimize lock time, the value 001 for LOCKT is recommended.
000: 106 ms
001: 53 ms
010: 26.5 ms
011: 13.3 ms
100: 6.6 ms
101: 3.3 ms
110: 1.66 ms
111: .833 ms
D6
R
D5
R
Preliminary Rev. 0.4
D4
VALTIME [1:0]
R/W
Function
D3
D2
LOCKT [2:0]
R/W
D1
Si5327
D0
29