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LP5569 데이터시트(PDF) 32 Page - Texas Instruments

부품명 LP5569
상세설명  LP5569 Nine-Channel I2C RGB LED Driver With Engine Control and Charge Pump
PDF  93 Pages
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제조업체  TI2 [Texas Instruments]
홈페이지  https://www.ti.com
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LP5569 데이터시트(HTML) 32 Page - Texas Instruments

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LP5569
SNVSAP8A – JULY 2017 – REVISED SEPTEMBER 2017
www.ti.com
Product Folder Links: LP5569
Submit Documentation Feedback
Copyright © 2017, Texas Instruments Incorporated
(1)
These instructions are compatible with LP5523 and LP55231 mux_* LED mapping instructions.
(2)
Absolute address
(3)
Only values 1 through 9 are valid, any other value results in no LED driver selected.
Table 11. LP5569 LED Mapping Instructions
INST. (1)
Bit
[15]
Bit
[14]
Bit
[13]
Bit
[12]
Bit
[11]
Bit
[10]
Bit [9]
Bit
[8]
Bit
[7]
Bit [6]
Bit
[5]
Bit
[4]
Bit [3]
Bit [2]
Bit
[1]
Bit [0]
load_start
1
0
0
1
1
1
1
0
0
SRAM addresses 0–127(2)
map_start
1
0
0
1
1
1
0
0
0
SRAM addresses 0–127(2)
load_end
1
0
0
1
1
1
0
0
1
SRAM addresses 0–127(2)
map_sel
1
0
0
1
1
1
0
1
0
LED select(3)
map_clr
1
0
0
1
1
1
0
1
0
0
0
0
0
0
0
0
map_next
1
0
0
1
1
1
0
1
1
0
0
0
0
0
0
0
map_prev
1
0
0
1
1
1
0
1
1
1
0
0
0
0
0
0
load_next
1
0
0
1
1
1
0
1
1
0
0
0
0
0
0
1
load_prev
1
0
0
1
1
1
0
1
1
1
0
0
0
0
0
1
load_addr
1
0
0
1
1
1
1
1
0
SRAM addresses 0–127(2)
map_addr
1
0
0
1
1
1
1
1
1
SRAM addresses 0–127(2)
8.5.2.5.1
LOAD_START and LOAD_END
The load_start and load_end instructions define the mapping table locations in SRAM.
NAME
VALUE (d)
DESCRIPTION
SRAM address
0–127
Mapping table start or end address restricted to lower half of memory.
8.5.2.5.2
MAP_START
The map_start instruction defines the mapping table start address in the memory, and the first row of the table is
activated (mapped) at the same time.
NAME
VALUE (d)
DESCRIPTION
SRAM address
0–127
Mapping table start address restricted to lower half of memory.
8.5.2.5.3
MAP_SEL
With the map_sel instruction one, and only one, LED driver can be connected to a program execution engine.
Connecting multiple LEDs to one engine is done with the mapping table. After the mapping has been released
from an LED, the PWM register value still controls the LED brightness.
NAME
VALUE (d)
DESCRIPTION
LED select
0–127
0 = no drivers selected
1 = LED1 selected
2 = LED1 selected
...
9 = LED9 selected
10–127 = no drivers selected



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