SMM205
Preliminary Information
DEFAULT CONFIGURATION REGISTER SETTINGS – SMM205F-167
Register
R00
Contents
Function
01
FF
Channel A Nominal Voltage is set to 2.503V (MSB)
Channel A Nominal Voltage is set to 2.503V (MSB)
R01
R02
02
Channel B Nominal Voltage is set to 1.801V (MSB)
R03
C6
Channel B Nominal Voltage is set to 1.801V (MSB)
Channel A and B ADOC is enabled, Trim polarity is inverse, Fast Convergence,
VREF External, Fault Latched by a Fault Condition
Slave address is 0101
R04
R05
AF
05
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 UV
R06
28
R08
R0C
R0D
R20
R21
R22
R23
R30
R31
R32
R33
R40
R41
R42
R44
00
12
50
01
C8
02
61
02
45
03
54
00
03
FF
00
Margin Command Bits
Stores VREF_CNTL value set to 1.25
Stores VREF_CNTL value set to 1.25
Channel A - Margin High Voltage is set to 2.805V (MSB)
Channel A - Margin High Voltage is set to 2.805V (LSB)
Channel B - Margin High Voltage is set to 2.100V (MSB)
Channel B - Margin High Voltage is set to 2.100V (LSB)
Channel A - Margin Low Voltage is set to 2.201V (MSB)
Channel A - Margin Low Voltage is set to 2.201V (LSB)
Channel B - Margin Low Voltage is set to 1.501V (MSB)
Channel B - Margin Low Voltage is set to 1.501V (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 — SMM205F-167 — is programmed as described
above and tested over the commercial temperature range. Application Note 41 contains a
complete description of the Windows GUI and the default settings of each of the 22
individual Configuration Registers.
Summit Microelectronics, Inc
2069 1.4 6/23/03
18
SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
