SMM105
Preliminary Information
DEFAULT CONFIGURATION REGISTER SETTINGS – SMM105NC-160
Register
R00
Contents
Function
02
Nominal Voltage is set to 1.800V (MSB)
Nominal Voltage is set to 1.800V (LSB)
R01
C7
ADOC is enabled, Trim polarity is inverse, Fast Convergence, VREF External, Fault
R04
R05
25
05
Latched by a Fault Condition
Slave address is 0101, Start Delay set to 0.2ms
No Write Command Required to Activate ADOC, Internal Regulator set to 3.6V,
Fault Output Enabled While Margining, Configuration Registers Unlocked, COMP1
and COMP2 are set to sense OV
R06
03
R08
R0C
R0D
R20
R21
R30
R31
R40
R41
R42
R44
00
12
50
02
A1
02
F0
80
03
FF
00
Margin Command Bits
Stores VREF_CNTL value set to 1.25
Stores VREF_CNTL value set to 1.25
Margin High Voltage is set to 1.902V (MSB)
Margin High Voltage is set to 1.902V (LSB)
Margin Low Voltage is set to 1.702V (MSB)
Margin Low Voltage is set to 1.702V (LSB)
Margin Command Status Bits
READY and START pin Polarities set to Active High
Write Protect
Fault Status Bits
RC1
The default device ordering number is SMM105NC-160, is programmed as described above
and tested over the commercial temperature range. Application Note 38 contains a
complete description of the Windows GUI and the default settings of each of the 16
individual Configuration Registers.
Summit Microelectronics, Inc
2068 1.8 09/20/05
18
SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
