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参数资料
| 型号： | DS2282 |
| 英文描述： | T1 FDL Controller/Monitor Stik |
| 中文描述： | T1 FDL控制器/监视器条 |
| 文件页数： | 9/22页 |
| 文件大小： | 192K |
| 代理商： | DS2282 |
DS2282
022798 9/22
NAME
TUMR
DESCRIPTION
Transmit Unscheduled Message Register
. An 8–bit
register that is used to send unscheduled messages.
PRM Errored Second Register
. A 16–bit register that
counts ES as reported in the PRM.
PRM Severely Errored Second Register
. A 16–bit reg-
ister that counts SES as reported in the PRM.
PRM Error Register
. An 8–bit register that counts PRMs
that are received in error.
PRM Address Register
. An 8–bit register determines the
action of the PRM opening address.
CLEARABLE
No
R/W
W
ADDR
2,3
19
PRMESR
1
1C
R
Yes
PRMSESR
1
1D
R
Yes
PRMER
1
1E
R
Yes
PAR
1
1F
W
No
NOTES:
1. Register is nonvolatile.
2. Values indicated in hexadecimal format.
3. All registers read/written LSB first.
STATUS REGISTER (04)
The Status Register (SR) reports alarms and events.
The SR is always cleared when it is read by an external
controller, hence the Clear Bit in the Register Byte does
not need to be set. All of the bits in the SR operate in a
“latched” fashion. That is, once an event or alarm has
occurred, the appropriate bit in the SR will remain set
until the SR is read. All of the bits in the SR will be
cleared when read unless the alarm condition still
exists. Also, except for the B8ZSD bit, the INT pin will be
asserted (transitions low), indicating to an external con-
troller that a bit in the SR has changed status. The INT
pin will return high as soon as the status register is ac-
cessed.
SR: Status Register (04)
PLB
LLB
16ZD
RCL
RYEL
RLOS
B8ZSD
AIS
(LSB)
(MSB)
PLB
Payload Loopback. Set when payload
loopback is active.
Line Loopback. Set when line loopback
is active. Will not go active in 54016 envi-
ronments.
Sixteen Zero Detect. Set when 16 con-
secutive zeros are received. An indica-
tion of a pulse density violation.
Receive Carrier Loss. Set when 192 con-
secutive zeros have been received.
LLB
16ZD
RCL
RYEL
Receive Yellow Alarm. Set when 16 con-
secutive 00FF Hex codes have been re-
ceived in the FDL.
Receive Loss of Sync. Set when the
DS2282 loses synchronization.
B8ZS Detect. Set when a B8ZS code
word is received; operates whether the
DS2282 is set up for B8ZS or not. Does
not affect INT.
Alarm Indication Signal. Set when an un-
framed all one’s signal is received.
RLOS
B8ZSD
AIS
SOFTWARE VERSION REGISTER
The software version register (SWVR) (3F) allows the
user to display software version information. When
accessed, the DS2282 software revision will be
returned by the serial port. For example, the serial port
will return 0Bh for software version V11.
SOFTWARE LEVEL REGISTER
The software level register (SWLR) (3E) allows the user
to display software version level information. When
accessed, the two’s complement of the DS2282 soft-
ware revision level will be returned by the serial port. If
the returned value is negative, the software revision
level is in “beta” or prototype state. If positive, the soft-
ware revision level is the production release. For exam-
ple, the serial port will return 05h for production software
version level V11.5 (FBh for “beta” release).
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相关代理商/技术参数 |
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| DS2282/87-22282-000 | 功能描述:网络控制器与处理器 IC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
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| DS2286-8 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| DS2287-32 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| DS2287-8 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
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