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MIC3000BML Datasheet(PDF) 14 Page - Micrel Semiconductor

Part # MIC3000BML
Description  FOM Management IC
PDF  68 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC3000BML Datasheet(HTML) 14 Page - Micrel Semiconductor

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MIC3000
Micrel
M9999-101204
14
October 2004
Block Diagram
APC
MODULATION
CONTROL
STATE-
MACHINES
TIMING
FAULT DETECTION
A-D CONVERTER
&
SIGNAL
CONDITIONING
LASER
CONTROL
MEMORY
ARBITRATION
I2C
DATA
XPN
VRX
VIN
VMPD
VILD–
VILD+
SHDN
VMOD–
VMOD+
FB
COMP
VBIAS
CLOCK
INT
RXLOS
RSOUT
RSIN
TXDISABLE
TXFAULT
MIC3000
NVRAM
REGISTERS
SERIAL ID
SCRATCH
LUTs
POWER-ON
HOUR METER
CLOCK
&
POR
TEMP
SENSOR
Figure 1. MIC3000 Block Diagram
Analog-to-Digital Converter/Signal Monitoring
A block diagram of the monitoring circuit is shown below.
Each of the five analog parameters monitored by the MIC3000
are sampled in sequence. All five parameters are sampled
and the results updated within the tCONV internal given in the
“Electrical Characteristics” section. In OEM Mode, the chan-
nel that is normally used to measure VIN may be assigned to
measure the level of the VDDA pin or one of five other nodes.
This provides a kind of analog loopback for debug and test
purposes. The VAUX bits in OEMCFG0 control which voltage
source is being sampled. The various VAUX channels are
level-shifted differently depending on the signal source, re-
sulting in different LSB values and signal ranges. See Table
5.



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