MIC2593
Micrel
Detailed Register Descriptions
Control Register, Slot A (CNTRLA)
8-Bits, Read/Write
Control Register, Slot A (CNTRLA)
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
read-only
AUXAPG
read-only
MAINAPG
read only
Reserved
read only
Reserved
read-only
Reserved
read only
Reserved
read/write
MAINA
read/write
VAUXA
Bit(s)
Function
Operation
AUXAPG
AUX output power-good status, Slot A
1 = Power-is-Good
(VAUXA Output is above its UVLO threshold)
MAINAPG MAIN output power-good status, Slot A
1 = Power-is-Good
(MAINA Outputs are above their UVLO
thresholds)
D[5]
D[4]
Reserved
Always read as zero
Always read as zero
Always read as zero
Always read as zero
0 = Off, 1 = On
Reserved
D[3]
Reserved
D[2]
Reserved
MAINA
VAUXA
MAIN enable control, Slot A
VAUX enable control, Slot A
0 = Off, 1 = On
Power-Up Default Value: 0000 0000 = 00
b
h
Read Command_Byte Value (R/W): 0000 0010 = 02
b
h
The power-up default value is 00 . Slot is disabled upon power-up, i.e., all supply outputs are off.
h
M9999-042204
16
April 2004
STMICROELECTRONICS [ ST ]
