MIC3002_10 Datasheet, PDF (49/65 Pages) Micrel Semiconductor – FOM Management IC with Internal Calibration

Micrel, Inc.
MIC3002
Warning Flags
Warning Status Register 0 (WARN0)
D[7]
W7
read-only
D[6]
W6
read-only
D[5]
W5
read-only
D[4]
W4
read-only
D[3]
W3
read-only
D[2]
W2
read-only
D[1]
W1
read-only
D[0]
W1
read-only
Default Value
0000 0000b = 00h (no events pending)
Serial Address
Byte Address
A2h
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)
D[7]
W7
D[6]
W6
D[5]
W5
D[4]
W4
D[3]
W3
D[2]
W2
D[1]
W1
D[0]
W0
Function
High temperature warning, TEMP > THIGH
Low temperature warning, TEMP < TLOW
High voltage warning, VIN > VHIGH
Low voltage warning, VIN < VLOW
High laser diode bias warning, IBIAS > IHIGH
Low laser diode bias warning, IBIAS < ILOW
High transmit optical power warning,
TXOP > TXHIGH
Low transmit optical power warning,
TXOP < TXLOW
Operation
1 = condition exists, 0 = normal/OK.
1 = condition exists, 0 = normal/OK.
1 = condition exists, 0 = normal/OK.
1 = condition exists, 0 = normal/OK.
1 = condition exists, 0 = normal/OK.
1 = condition exists, 0 = normal/OK.
1 = condition exists, 0 = normal/OK.
1 = condition exists, 0 = normal/OK.
Warning Status Register 1 (WARN1)
D[7]
W15
read-only
D[6]
W14
read-only
D[5]
read-only
D[4]
read-only
D[3]
read-only
D[2]
read-only
D[1]
read-only
D[0]
read-only
Default Value
0000 0000b = 00h (no events pending)
Serial Address
A2h
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 upon the
results.
Bit(s)
D[7]
W15
D[6]
D[5:0]
W14
Function
Received power high warning, RXOP >
RXHIGH
Received power low warning, RXOP < RXMIN
Reserved
Operation
1 = condition exists, 0 = normal/OK.
1 = condition exists, 0 = normal/OK.
Reserved - always write as zero.
July 2007
49
M9999-073107-B
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