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MIC2590B-2YTQ Datasheet(PDF) 14 Page - Micrel Semiconductor

Part No. MIC2590B-2YTQ
Description  Dual-Slot PCI Hot Plug Controller
Download  23 Pages
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Maker  MICREL [Micrel Semiconductor]
Homepage  http://www.micrel.com
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MIC2590B-2YTQ Datasheet(HTML) 14 Page - Micrel Semiconductor

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Micrel, Inc.
MIC2590B
September 2008
14
M9999-091808
S 1000
1A
x
00000 XXXA x x
x
/A
xx
P
MIC2590B Slave Address
Master to slave transfer, i.e., DATA driven by master.
x Slave to master transfer, i.e., DATA driven by slave.
DATA
CLK
Target Register
Value read from MIC2590B
START
STOP
R/W = READ
ACKNOWLEDGE
NOT ACKNOWLEDGE
Figure 7. READ_BYTE Protocol
S 1000
0A 00000 XXXAXX
X
/A
XX
P
MIC2590B Slave Address
Master to slave transfer, i.e., DATA driven by master.
Slave to master transfer, i.e., DATA driven by slave.
DATA
CLK
Target Register
Value to be written to MIC2590B
START
STOP
R/W = WRITE
ACKNOWLEDGE
NOT ACKNOWLEDGE
XX
Figure 8. WRITE_BYTE Protocol
Register Set and Programmer’s Model
Target Register
Common
Byte Value
Label
Description
Read
Write
Power-On
Default
RESULT
ADC Conversion
Result Register
00h
n/a
n/a
ADCNTRL
ADC Control
Register
01h
01h
00h
CNTRLA
Control Register
Slot A
02h
02h
00h
CNTRLB
Control Register
Slot B
03h
03h
00h
STATA
Slot A Status
04h
04h
00h
STATB
Slot B Status
05h
05h
00h
STAT
Common Status
Register
06h
06h
00h


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