Datasheet

25
MSL2021 [DATASHEET]
42062A–LED–02/2013
Reads of the Look-Up Table now return its true contents, until the password register is changed, power is cycled or
enable input EN is toggled.
12. Control Registers
Table 12-1. Register map
(1)
Notes: 1. Do not change the contents of undefined bits or unlisted registers.
2. Unless changed through the EEPROM, these default values load at power-up, and when EN is taken from low to high.
Address and
Register name
Function
Default
value
(2)
Bit functions
D7 D6 D5 D4 D3 D2 D1 D0
0x00 SDCR18 Look up for 18C 0x4C Look up table
0x01 SDCR20 Look up for 20C 0x4D Look up table
…thru… …thru…
0x1E SDCR78 Look up for 78C 0x72 Look up table
0x1F SDCR80 Look up for 80C 0x72 Look up table
0x20 MREF
Main String
Feedback
Reference
Voltage
0x64 MS
REF
= 2mV per LSB
0x21 CAREF
Color-Adjust
String Reference
Feedback Voltage
0x64 V
CAREF
= 2mV per LSB
0x22
FAULT
DISABLE
Color-Adjust Fault
Disable
0x00
- - - - - TSDMASK OCDIS SCDIS
0x23 FAULTSTAT Fault Status
Read
Only
- - - - -TSDOCFLTSCFLT
0x24 SLEEP Configuration 0x00
- - - - - - - SLEEP
0x31 TEMP Temperature
Read
Only
Thermistor temperature
0x38 PWV(HIGH)
Look-Up Table
Password
Verification High
Byte
0xFF Look-Up Table Password Verification [15:8]
0x39 PWV(LOW)
Look-Up Table
Password
Verification Low
Byte
0xFF Look-Up Table Password Verification [7:0]
0x3A LUT LOCK
Look-Up Table
Lock
0x83
- - - - - - LOCK[1:0]
0x40 EOCTRL
Efficiency
Optimizer
0xE5
- - - - DThresh[3:0]
0x60 E2ADDR
EEPROM
Address
0x00
- EEPROM Address Pointer
0x61 E2CTRL EEPROM Control 0x00
- - - - - RWCTRL[2:0]
0x68 PW(HIGH)
Look-Up Table
Password High
Byte
0xFF Look-Up Table Password [15:8]
0x69 PW(LOW)
Look-Up Table
Password Low
Byte
0xFF Look-Up Table Password [7:0]