參數(shù)資料
型號: SI3216MDCX-EVB
廠商: Silicon Laboratories Inc
文件頁數(shù): 119/122頁
文件大小: 0K
描述: DAUGHTER CARD W/DISCRETE INTRFC
標準包裝: 1
Si3216
96
Rev. 1.0
Not
Recommended
fo
r N
ew
D
esi
gn
s
Reset settings = 0001_0100 (Si3216)
Reset settings = 0011_0100 (Si3216M)
Reset settings = 0000_0000
Register 93. DC-DC Converter Switching Delay
Bit
D7D6D5D4D3D2
D1
D0
Name
DCCAL
DCPOL
DCTOF[4:0]
Type
R/W
R
R/W
Bit
Name
Function
7
DCCAL
DC-DC Converter Peak Current Monitor Calibration Status.
Writing a one to this bit starts the dc-dc converter peak current monitor calibration rou-
tine.
0 = Normal operation.
1 = Calibration being performed.
6
Reserved
Read returns zero.
5
DCPOL
DC-DC Converter Feed Forward Pin (DCFF) Polarity.
This read-only register bit indicates the polarity relationship of the DCFF pin to the
DCDRV pin. Two versions of the Si3216 are offered to support the two relationships.
0 = DCFF pin polarity is opposite of DCDRV pin (Si3216).
1 = DCFF pin polarity is same as DCDRV pin (Si3216M).
4:0
DCTOF[4:0]
DC-DC Converter Minimum Off Time.
This register sets the minimum off time for the pulse width modulated dc-dc
converter control. TOFF = (DCTOF + 4) x 61.035 ns.
Register 94. DC-DC Converter PWM Pulse Width
Bit
D7D6D5D4D3D2
D1
D0
Name
DCPW[7:0]
Type
R
Bit
Name
Function
7:0
DCPW[7:0]
DC-DC Converter Pulse Width.
Pulse width of DCDRV is given by PW = (DCPW – DCTOF – 4) x 61.035 ns.
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