參數(shù)資料
型號(hào): AD9548BCPZ-REEL7
廠商: Analog Devices Inc
文件頁(yè)數(shù): 70/112頁(yè)
文件大?。?/td> 0K
描述: IC CLOCK GEN/SYNCHRONIZR 88LFCSP
產(chǎn)品變化通告: AD9548 Mask Change 20/Oct/2010
標(biāo)準(zhǔn)包裝: 400
類(lèi)型: 時(shí)鐘/頻率發(fā)生器,同步器
PLL:
主要目的: 以太網(wǎng),SONET/SDH,Stratum
輸入: CMOS,LVDS,LVPECL
輸出: CMOS,LVDS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 是/是
頻率 - 最大: 750kHz
電源電壓: 1.71 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 88-VFQFN 裸露焊盤(pán),CSP
供應(yīng)商設(shè)備封裝: 88-LFCSP-VQ(12x12)
包裝: 帶卷 (TR)
AD9548
Data Sheet
Rev. E | Page 60 of 112
REGISTER MAP
The register addresses and defaults are hexadecimal values. Use the default value when writing to registers and/or bits marked as unused.
Table 36.
Addr
Opt
Name
D7
D6
D5
D4
D3
D2
D1
D0
Def
Serial Port Control and Part Identification
0x0000
E
SPI control
Unidirec-
tional
LSB first/
Inc Addr
Soft reset
Long
instruction
Unused
0x10
0x0000
Dup
I2C control
Unused
Soft reset
Unused
0x00
0x0001
E
Reserved
Unused
0x 0002
R
Reserved
Silicon revision number
0xC6
0x 0003
R
Device ID
0x48
0x 0004
E
Readback
Unused
Read buffer
register
0x00
0x0005
A, E
I/O update
Unused
I/O update
0x00
System Clock (SYSCLK)
0x0100
S
External
loop filter
enable
Charge
pump
mode
(auto/
man)
Charge pump current [2:0]
Lock detect
timer
disable
Lock detect divider [1:0]
0x18
S
N-divider [7:0]
0x28
0x0102
S
Unused
M-divider
reset
M-divider [1:0]
2×frequency
multiplier
enable
PLL enable
SYSCLK reference select
[1:0]
0x45
0x0103
C
Nom SYSCLK
period
Nominal system clock period (femtoseconds) [15:0]
[1 ns @ 1 ppm accuracy]
0x40
0x 0104
C
0x42
0x 0105
C
Unused
Nominal system clock period [20:16]
0x0F
0x0106
C
System clock
stability
System clock stability period (milliseconds) [15:0]
0x01
0x0107
C
0x00
0x0108
C
Unused
System clock stability period (milliseconds) [19:16]
0x00
General Configuration
0x0200
S
M0
M0 in/out
M0 function [6:0]
0x00
0x0201
S
M1
M1 in/out
M1 function [6:0]
0x00
0x0202
S
M2
M2 in/out
M2 function [6:0]
0x00
0x0203
S
M3
M3 in/out
M3 function [6:0]
0x00
0x0204
S
M4
M4 in/out
M4 function [6:0]
0x00
0x0205
S
M5
M5 in/out
M5 function [6:0]
0x00
0x0206
S
M6
M6 in/out
M6 function [6:0]
0x00
0x0207
S
M7
M7 in/out
M7 function [6:0]
0x00
0x0208
C
IRQ pin
output mode
Unused
IRQ pin output mode [1:0]
0x00
0x0209
C
IRQ mask
Unused
SYSCLK
unlocked
SYSCLK
locked
Unused
SYSCLK Cal
complete
SYSCLK Cal
started
0x00
0x020A
C
Unused
Distribution
sync
Watchdog
timer
EEPROM
fault
EEPROM
complete
0x00
0x020B
C
Switching
Closed
Freerun
Holdover
Freq
unlocked
Freq
locked
Phase
unlocked
Phase
locked
0x00
0x020C
C
Unused
History
updated
Frequency
unclamped
Frequency
clamped
Phase slew
unlimited
Phase slew
limited
0x00
0x020D
C
Ref AA
new profile
Ref AA
validated
Ref AA fault
cleared
Ref AA fault
Ref A
new profile
Ref A
validated
Ref A
fault
cleared
Ref A
fault
0x00
0x020E
C
Ref BB
new profile
Ref BB
validated
Ref BB
fault
cleared
Ref BB
fault
Ref B
new profile
Ref B
validated
Ref B
fault
cleared
Ref B
fault
0x00
0x020F
C
Ref CC
new profile
Ref CC
validated
Ref CC
fault
cleared
Ref CC
fault
Ref C
new profile
Ref C
validated
Ref C
fault
cleared
Ref C
fault
0x00
0x0210
C
Ref DD
new profile
Ref DD
validated
Ref DD
fault
cleared
Ref DD
fault
Ref D
new profile
Ref D
validated
Ref D
fault
cleared
Ref D
fault
0x00
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