MIC2593-2YTQ Micrel Inc, MIC2593-2YTQ Datasheet - Page 17

• Manufacturer Part Number: MIC2593-2YTQ
• Description: IC CTRLR HOTPLUG PCI DUAL 48TQFP
• Manufacturer: Micrel Inc
• Type: Hot-Swap Controllerr

Specifications of MIC2593-2YTQ

• Applications: PCI, PCI-X
• Internal Switch(s): No
• Voltage - Supply: 3.3V, 5V, ±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: 576-1100

Detailed Register Descriptions below:
Control Register, Slot A (CNTRLA)
8-Bits, Read/Write
Power-Up Default Value:
Read Command_Byte Value (R/W):
The power-up default value is 00
Control Register, Slot A (CNTRLB)
8-Bits, Read/Write
Power-Up Default Value:
Command_Byte Value (R/W):
The power-up default value is 00
Micrel, Inc.
September 2008
MAINAPG
MAINBPG
read-only
AUXAPG
AUXAPG
read-only
AUXBPG
AUXBPG
MAINA
MAINB
AUXA
AUXB
Bit(s)
Bit(s)
D[7]
D[5]
D[4]
D[3]
D[2]
D[7]
D[5]
D[4]
D[3]
D[2]
AUX output power-good status, Slot A
MAIN output power-good status, Slot A
Reserved
Reserved
Reserved
Reserved
MAIN enable control, Slot A
VAUX enable control, Slot A
AUX output power-good status, Slot B
MAIN output power-good status, Slot B
Reserved
Reserved
Reserved
Reserved
MAIN enable control, Slot B
VAUX enable control, Slot B
MAINAPG
MAINBPG
read-only
read-only
D[6]
D[6]
h
h
0000 0000
0000 0011
. Slot is disabled upon power-up, i.e., all supply outputs are off.
. Slot is disabled upon power-up, i.e., all supply outputs are off.
Reserved
Reserved
read-only
read-only
D[5]
D[5]
Function
Function
0000 0000
0000 0010
b
b
Control Register, Slot A (CNTRLA)
Control Register, Slot B (CNTRLB)
= 00
= 03
h
h
Reserved
Reserved
read-only
read-only
b
b
D[4]
D[4]
= 00
= 02
h
h
17
Reserved
Reserved
read-only
read-only
D[3]
D[3]
1 = Power-is-Good
(VAUXA Output is above its UVLO threshold)
1 = Power-is-Good
(MAINA Outputs are above their UVLO thresholds)
Always read as zero
Always read as zero
Always read as zero
Always read as zero
0 = Off, 1 = On
0 = Off, 1 = On
1 = Power-is-Good
(VAUXB Output is above its UVLO threshold)
1 = Power-is-Good
(MAINB Outputs are above their UVLO thresholds)
Always read as zero
Always read as zero
Always read as zero
Always read as zero
0 = Off, 1 = On
0 = Off, 1 = On
Reserved
Reserved
read-only
read-only
D[2]
D[2]
Operation
Operation
read/write
read/write
MAINA
MAINB
D[1]
D[1]
M9999-092208
read/write
read/write
MIC2593
AUXA
AUXB
D[0]
D[0]