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参数资料
| 型号： | MIC3000BMLTR |
| 厂商： | MICREL INC |
| 元件分类： | 数字传输电路 |
| 英文描述： | ATM/SONET/SDH SUPPORT CIRCUIT, QCC24 |
| 封装： | 4 X 4 MM, MLF-24 |
| 文件页数： | 43/68页 |
| 文件大小： | 444K |
| 代理商： | MIC3000BMLTR |
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MIC3000
Micrel
M9999-101204
48
October 2004
Warning Flags
Warning Register 0 (WARN0)
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
W7
W6
W5
W4
W3
W2
W1
W0
read-only
Default Value
0000 0000b = 00h (no events pending)
Serial Address
A2h = 1010001b
Byte Address
116 = 74h
The power-up default value is 00h. Following the first A/D conversion, however, any of the bits may be set depending
upon the results.
Bit(s)
Function
Operation
D[7]
W7
High temperature warning, TEMPh > THIGHh.
1 = condition exists, 0 = normal/OK.
D[6]
W6
Low temperature warning, TEMPh < TLOWh.
1 = condition exists, 0 = normal/OK.
D[5]
W5
High voltage warning, VINh > VHIGHh.
1 = condition exists, 0 = normal/OK.
D[4]
W4
Low voltage warning, VINh < VLOWh.
1 = condition exists, 0 = normal/OK.
D[3]
W3
High laser diode bias warning, IBIASh > IHIGHh.
1 = condition exists, 0 = normal/OK.
D[2]
W2
Low laser diode bias warning, IBIASh < ILOWh.
1 = condition exists, 0 = normal/OK.
D[1]
W1
High transmit optical power warning,
1 = condition exists, 0 = normal/OK.
TXOPh > TXHIGHh.
D[0]
W0
Low transmit optical power warning,
1 = condition exists, 0 = normal/OK.
TXOPh < TXLOWh.
Warning Register 1 (WARN1)
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
W15
W14
read-only
Default Value
0000 0000b = 00h (no events pending)
Serial Address
A2h = 1010001b
Byte Address
117 = 75h
The power-up default value is 00h. Following the first A/D conversion, however, any of the bits may be set depending
on the results.
Bit(s)
Function
Operation
D[7]
W15
Received power high warning,
1 = condition exists, 0 = normal/OK.
RXOPh > RXHIGHh.
D[6]
W14
Received power low warning, RXOPh < RXMINh. 1 = condition exists, 0 = normal/OK.
D[5:0]
Reserved
Reserved - always write as zero.
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