參數(shù)資料
型號(hào): CS2300P-DZZR
廠商: CIRRUS LOGIC INC
元件分類(lèi): PLL合成/DDS/VCOs
中文描述: PHASE LOCKED LOOP, 30 MHz, PDSO10
封裝: 3 MM, LEAD FREE, MO-187, MSOP-10
文件頁(yè)數(shù): 8/26頁(yè)
文件大小: 434K
代理商: CS2300P-DZZR
CS2300-OTP
16
DS844F2
5.6
Auxiliary Output
The auxiliary output pin (AUX_OUT) can be mapped, as shown in Figure 12, to one of three signals: input
clock (CLK_IN), additional PLL clock output (CLK_OUT), or a PLL lock indicator (Lock). The mux is con-
trolled via the AuxOutSrc[1:0] modal parameter. If AUX_OUT is set to Lock, the AuxLockCfg global param-
eter is then used to control the output driver type and polarity of the LOCK signal (see section 6.3.1 on
page 20). If AUX_OUT is set to CLK_OUT, the phase of the PLL Clock Output signal on AUX_OUT may
differ from the CLK_OUT pin. The driver for the pin can be set to high-impedance using the M2 pin when
the M2Config[1:0] global parameter is set to either 001 or 010.
Figure 12. Auxiliary Output Selection
5.7
Mode Pin Functionality
5.7.1
M1 and M0 Mode Pin Functionality
M[1:0] determine the functional mode of the device and select both the default User Defined Ratio and
the set of modal parameters. The modal parameters are RModSel[1:0], and AuxOutSrc[1:0]. By modifying
one or more of the modal parameters between the 4 sets, different functional configurations can be
achieved. However, global parameters are fixed and the same value will be applied to each functional
configuration. Figure 14 on page 19 provides a summary of all parameters used by the device.
Referenced Control
Parameter Definition
AuxOutDis .............................“M2 Configured as Output Disable” on page 17
M2Config[2:0]........................“M2 Pin Configuration (M2Config[2:0])” on page 21
3:1 Mux
Auxiliary Output Pin
(AUX_OUT)
AuxOutSrc[1:0]
AuxLockCfg
PLL Clock Output
(PLLClkOut)
PLL Lock/Unlock Indication
(Lock)
M2 pin with
M2Config[1:0] = 001, 010
Frequency Reference Clock
(CLK_IN)
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