xr
初步
XRT91L82
牧师P1.0.5
2.488 / 2.666 GBPS STS -48 / STM - 16 SONET / SDH收发器
3.6时钟乘法器单元（ CMU ）和RE -TIMER ....................................... .............................................. 26
T
ABLE
10: C
LOCK
M
ULTIPLIER
U
NIT
P
ERFORMANCE
....................................................................................................................... 26
3.7环路定时和时钟控制....................................................................................................... 26
T
ABLE
11: L
OOP时序和参考DE
-
JITTER配置
............................................................................................ 27
F
IGURE
14. L
OOP
T
即时通信
M
ODE
U
唱一首
E
XTERNAL
C
LEANUP
VCXO （H
OST
M
ODE
O
NLY
) .......................................................... 27
3.8外部环路滤波器（主机模式） ......................................... ............................................... 28
F
IGURE
15. S
IMPLIFIED
D
的作者IAGRAM
E
XTERNAL
L
OOP
F
ILTER
.................................................................................................. 28
3.9传输串行输出控制..................................................................................................... 28
F
IGURE
16. T
RANSMIT
S
ERIAL
O
安输出
I
BLOCK覆盖整个院落
.............................................................................................................. 28
T
ABLE
12: D
。微分
CML
安输出
S
翼
P
ARAMETERS
......................................................................................................... 28
F
IGURE
17. CML
。微分
V
oltage
S
翼
........................................................................................................................... 29
4.0诊断功能...................................................................................................................三十
4.1串行远方返回.....................................................................................................................三十
F
IGURE
18. S
ERIAL
R
EMOTE
L
OOPBACK
......................................................................................................................................... 30
4.2并行遥控回送（主机模式） ......................................... .................................. 30
F
IGURE
19. P
ARALLEL
R
EMOTE
L
OOPBACK
.................................................................................................................................... 30
4.3数字本地环回....................................................................................................................... 31
F
IGURE
20. D
IGITAL
L
OOPBACK
...................................................................................................................................................... 31
4.4 SONET抖动要求................................................................................................................. 32
4.4.1抖动容限： ................................................................................................................................................ 32
F
IGURE
21. J
伊特尔
T
OLERANCE
M
ASK
............................................................................................................................................ 32
F
IGURE
22. XRT91L82 M
EASURED
J
伊特尔
T
OLERANCE环路定时模式AT
2.488 G
BPS
STS - 48 / STM- 16 ............................ 33
F
IGURE
23. XRT91L82 M
EASURED
J
伊特尔
T
OLERANCE环路定时模式AT
2.666 G
BPS
FEC M
ODE
..................................... 33
4.4.2抖动传递.................................................................................................................................................... 33
F
IGURE
24. XRT91L82 M
EASURED
J
伊特尔
T
转让（BOT）在环路定时模式，
2.488 G
BPS
STS - 48 / STM- 16 .............................. 33
F
IGURE
25. XRT91L82 M
EASURED
J
伊特尔
T
转让（BOT）在环路定时模式，
2.666 G
BPS
FEC M
ODE
....................................... 33
4.4.3抖动GENERATION................................................................................................................................................ 34
F
IGURE
26. XRT91L82 M
EASURED
E
LECTRICAL
P
HASE
N
OISE
T
RANSMIT
J
伊特尔
G
ENERATION AT
2.488 G
BPS
.............................. 34
F
IGURE
27. XRT91L82 M
EASURED
E
LECTRICAL
P
HASE
N
OISE
T
RANSMIT
J
伊特尔
G
ENERATION AT
2.666 G
BPS
.............................. 34
5.0串行微处理器接口模块............................................. ............................ 35
F
IGURE
28. S
IMPLIFIED
B
LOCK
D
的作者IAGRAM
S
ERIAL
M
ICROPROCESSOR
I
覆盖整个院落
................................................................. 35
5.1串行时序信息................................................................................................................... 35
F
IGURE
29. T
即时通信
D
IAGRAM的
S
ERIAL
M
ICROPROCESSOR
I
覆盖整个院落
................................................................................ 35
5.2 16位串行数据输入DESCRITPTION .......................................... .................................................. 36
5.2.1
5.2.2
5.2.3
5.2.4
读/写(SCLK1)...............................................................................................................................................................
A [ 5 ： 0 ] （ SCLK2 - SCLK7).............................................................................................................................................
X（虚位SCLK8 ） ..............................................................................................................................................
D [7： 0]（ SCLK9 - SCLK16)...........................................................................................................................................
36
36
36
36
5.3 8位串行数据输出说明.......................................... .................................................. 36
6.0寄存器映射和位说明............................................ ........................................... 37
T
ABLE
13:
T
ABLE
14:
T
ABLE
15:
T
ABLE
16:
T
ABLE
17:
T
ABLE
18:
T
ABLE
19:
T
ABLE
20:
T
ABLE
21:
T
ABLE
22:
T
ABLE
23:
T
ABLE
24:
M
ICROPROCESSOR
R
EGISTER
M
AP
................................................................................................................................ 37
M
ICROPROCESSOR
R
EGISTER
0
X
00
H
B
IT
D
ESCRIPTION
................................................................................................. 38
M
ICROPROCESSOR
R
EGISTER
0
X
01
H
B
IT
D
ESCRIPTION
................................................................................................. 39
M
ICROPROCESSOR
R
EGISTER
0
X
02
H
B
IT
D
ESCRIPTION
................................................................................................. 40
M
ICROPROCESSOR
R
EGISTER
0
X
03
H
B
IT
D
ESCRIPTION
................................................................................................. 41
M
ICROPROCESSOR
R
EGISTER
0
X
04
H
B
IT
D
ESCRIPTION
................................................................................................. 42
M
ICROPROCESSOR
R
EGISTER
0
X
05
H
B
IT
D
ESCRIPTION
................................................................................................. 43
M
ICROPROCESSOR
R
EGISTER
0
X
06
H
B
IT
D
ESCRIPTION
................................................................................................. 45
M
ICROPROCESSOR
R
EGISTER
0
X
07
H
B
IT
D
ESCRIPTION
................................................................................................. 46
M
ICROPROCESSOR
R
EGISTER
0
X
3C
H
B
IT
D
ESCRIPTION
................................................................................................. 48
M
ICROPROCESSOR
R
EGISTER
0
X
3D
H
B
IT
D
ESCRIPTION
................................................................................................. 49
M
ICROPROCESSOR
R
EGISTER
0
X
3F
H
B
IT
D
ESCRIPTION
................................................................................................. 49
7.0电气特性............................................... .................................................. 50 ..
A
BSOLUTE
M
AXIMUM
评级.................................................................................................................. 50
绝对最大功率与输入逻辑信号........................................... .................. 50
功率和电流DC ê
LECTRICAL
C
极特
.................................................................... 50
LVPECL逻辑信号的直流电气特性............................................ .............. 51
LVDS逻辑信号的直流电气特性............................................ ................... 51
LVTTL / LVCMOS S
IGNAL
DC电气特性............................................... ............ 52
订购信息.................................................................................................................. 53
196热收缩薄膜B
所有
G
RID
A
RRAY
.............................................................................................. 53
(15.0
MM X
15.0
MM
， STBGA).......................................................................................................... 53
II
