參數資料
型號: AD9524/PCBZ
廠商: Analog Devices Inc
文件頁數: 48/56頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD9524
設計資源: AD9524 Schematic
AD9524 BOM
AD9524 Gerber Files
標準包裝: 1
主要目的: 計時,時鐘發(fā)生器
嵌入式:
已用 IC / 零件: AD9524
主要屬性: USB 供電或外部電源
次要屬性: 狀態(tài) LED
已供物品:
配用: AD9524BCPZ-ND - IC INTEGER-N CLCK GEN 48LFCSP
AD9524
Data Sheet
Rev. E | Page 52 of 56
Address
Bits
Bit Name
Description
0x22D
[7:4]
Reserved
3
Holdover active
1: holdover is active (both references are missing)
0: normal operation
2
Selected reference
(in auto mode)
Selected reference (applies only when the device automatically selects the reference;
for example, not in manual control mode)
1: REFB
0: REFA
1
Reserved
0
VCO calibration in progress
1: VCO calibration in progress
0: VCO calibration not in progress
Other (Address 0x230 to Address 0x234)
Table 56. Status Signals
Address
Bits
Bit Name
Description
0x230
[7:6]
Reserved
[5:0]
Status Monitor 0 control
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Muxout
0
GND
0
1
PLL1 and PLL2 locked
0
1
0
PLL1 locked
0
1
PLL2 locked
0
1
0
Both references are missing (REFA and REFB)
0
1
0
1
Both references are missing and PLL2 is locked
0
1
0
REFB selected (applies only to auto select mode)
0
1
REFA is OK
0
1
0
REFB is OK
0
1
0
1
REF_TEST is OK
0
1
0
1
0
VCXO is OK
0
1
0
1
PLL1 feedback is OK
0
1
0
PLL2 reference clock is OK
0
1
0
1
Reserved
0
1
0
REFA and REFB are OK
0
1
All clocks are OK (except REF_TEST)
0
1
0
PLL1 feedback is divide-by-2
0
1
0
1
PLL1 PFD down divide-by-2
0
1
0
1
0
PLL1 REF divide-by-2
0
1
0
1
PLL1 PFD up divide-by-2
0
1
0
1
0
GND
0
1
0
1
0
1
GND
0
1
0
1
0
GND
0
1
0
1
GND
Note that all bit combinations after 010111 are reserved.
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