LP5520TL NSC [National Semiconductor], LP5520TL Datasheet - Page 31

• Manufacturer Part Number: LP5520TL
• Description: RGB Backlight LED Driver
• Manufacturer: NSC [National Semiconductor]

ADC_low_byte (09H) – Analog Digital Converter Output, bits 0-7
r_correction (0AH) – Additional Brightness Correction Value Register for Red LED
g_correction (0BH) – Additional Brightness Correction Value Register for Green LED
b_correction (0CH) – Additional Brightness Correction Value Register for Blue LED
EEPROM_control (0DH) – EEPROM Control Register
corr_g[7]
corr_b[7]
ee_ready
corr_r[7]
ee_page[1:0]
adc[7]
rw-1
rw-1
rw-1
ee_ready
ee_erase
r-0
r-1
ee_prog
ee_read
7
7
7
7
7
corr_g[6]
corr_b[6]
ee_erase
corr_r[6]
adc[6]
corr_r[7:0]
rw-0
rw-0
rw-0
rw-0
r-0
6
6
6
6
6
Bits 1-0
Bit 7
Bit 6
Bit 5
Bit 4
EEPROM operations ready bit (read only)
Start bit for erasing sequence
Start bit for programming sequence
Read EEPROM data to SRAM
corr_g[5]
corr_b[5]
corr_r[5]
ee_prog
adc[5]
rw-0
Bits 7-0
rw-0
rw-0
rw-0
ee_page[1]
r-0
5
5
5
5
5
0
0
1
1
Correction
corr_g[4]
corr_b[4]
corr_r[4]
ee_read
adc[4]
rw-0
rw-0
rw-0
corr_r[7:0]
r-0
0000 0000
0000 0001
0000 0010
1000 0000
1111 1101
1111 1110
1111 1111
r-0
4
4
4
4
4
...
...
31
ee_page[0]
corr_g[3]
corr_b[3]
corr_r[3]
adc[3]
rw-0
rw-0
rw-0
r-0
r-0
0
1
0
1
3
3
3
3
3
corr_g[2]
corr_b[2]
corr_r[2]
adc[2]
Multiplier
rw-0
rw-0
rw-0
r-0
r-0
0.0078
0.0156
2
2
2
2
2
1.000
1.991
1.999
2.000
...
...
0
page
0
1
2
4
ee_page[1]
corr_g[1]
corr_b[1]
corr_r[1]
adc[1]
EEPROM addresses
rw-0
rw-0
rw-0
rw-0
r-0
60H-7FH (96-127)
1
1
1
1
1
20H-3FH (32-63)
40H-5FH (64-95)
00H-1FH (0-31)
ee_page[0]
corr_g[0]
corr_b[0]
corr_r[0]
adc[0]
rw-0
rw-0
rw-0
rw-0
r-0
0
0
0
0
0
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