MIC2591B-2YTQ Micrel Inc, MIC2591B-2YTQ Datasheet - Page 23

• Manufacturer Part Number: MIC2591B-2YTQ
• Description: IC CTRLR HOTPLUG PCI DUAL 48TQFP
• Manufacturer: Micrel Inc
• Type: Hot-Swap Controllerr

Specifications of MIC2591B-2YTQ

• Applications: General Purpose, PCI Express
• Internal Switch(s): No
• Voltage - Supply: 3.3V, 12V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-1098

MIC2591B Register Set and Programmer’s Model
March 2005
Label
Label
Label
Label
Label
RESULT
RESULT
RESULT
ADC_CNTRL
ADC_CNTRL
ADC_CNTRL
ADC_CNTRL
CNTRLA
CNTRLA
CNTRLA
CNTRLA
CNTRLB
CNTRLB
CNTRLB
CNTRLB
STATA
STATA
STATA
STATA
STATB
STATB
STATB
STATB
CS
CS
CS
CS
Reserved
Reserved
Reserved
Reserved
Target Register
Target Register
Target Register
Description
Description
Description
Description
Description
ADC Conversion Result Register
ADC Conversion Result Register
ADC Conversion Result Register
ADC Control Register
ADC Control Register
ADC Control Register
ADC Control Register
Control Register Slot A
Control Register Slot A
Control Register Slot A
Control Register Slot A
Control Register Slot B
Control Register Slot B
Control Register Slot B
Control Register Slot B
Slot A Status
Slot A Status
Slot A Status
Slot A Status
Slot B Status
Slot B Status
Slot B Status
Slot B Status
Common Status Register
Common Status Register
Common Status Register
Common Status Register
Reserved / Do Not Use
Reserved / Do Not Use
Reserved / Do Not Use
Reserved / Do Not Use
* Where X = '1' for READ and '0' for WRITE
A2
A2
A2
A2
A2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Table 2. MIC2591B Register Addresses
Inputs
Inputs
Table 3. MIC2591B SMBus Addressing
A1
A1
A1
A1
A1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
A0
A0
A0
A0
A0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
1000 000X*
1000 000X*
1000 000X*
1000 000X*
MIC2591B Device Address
MIC2591B Device Address
1000 001X
1000 001X
1000 001X
1000 001X
1000 010X
1000 010X
1000 010X
1000 010X
1000 100X
1000 100X
1000 100X
1000 100X
1000 101X
1000 101X
1000 101X
1000 101X
1000 011X
1000 011X
1000 011X
1000 011X
1000 110X
1000 110X
1000 110X
1000 110X
1000 111X
1000 111X
1000 111X
1000 111X
23
Binary
Binary
Binary
Binary
Binary
07h - FF
07h - FF
07h - FF
07h - FF
Read
Read
Read
Read
Read
b
b
b
b
b
b
b
Command Byte Value
Command Byte Value
Command Byte Value
00
00
00
01
01
01
01
02
02
02
02
03
03
03
03
04
04
04
04
05
05
05
05
06
06
06
06
b
h
h
h
h
h
h
h
h
Hex
Hex
Hex
Hex
Hex
8C
8C
8A
8A
8E
8E
80
80
82
82
84
84
86
86
88
88
h
h
h
h
h
h
h
h
07h - FF
07h - FF
Write
Write
Write
Write
Write
01
01
02
02
03
03
04
04
05
05
06
06
na
na
na
h
h
h
h
h
h
h
xxxx 0000
xxxx 0000
Power-On
Power-On
Power-On
Undefi ned
Undefi ned
Default
Default
Default
Default
00
00
00
00
00
00
00
00
00
00
xx
xx
xx
M9999-033105
h
h
h
h
h
h
b