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LP5569ARTWR датащи(PDF) 57 Page - Texas Instruments

номер детали LP5569ARTWR
подробное описание детали  LP5569 Nine-Channel I2C RGB LED Driver With Engine Control and Charge Pump
PDF  93 Pages
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производитель  TI2 [Texas Instruments]
домашняя страница  https://www.ti.com
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LP5569ARTWR датащи(HTML) 57 Page - Texas Instruments

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LP5569
www.ti.com
SNVSAP8A – JULY 2017 – REVISED SEPTEMBER 2017
Product Folder Links: LP5569
Submit Documentation Feedback
Copyright © 2017, Texas Instruments Incorporated
Table 49. ENGINE3_PC Register Field Descriptions
Bit
Field
Type
Reset
Description
7–0
engine3_pc
R/W
0h
Program counter starting value for program execution engine 3.
8.6.1.35 MISC2 Register (Address = 33h) [reset = 2h]
MISC2 is shown in Figure 61 and described in Table 50.
Return to Summary Table.
Miscellaneous Register 2
Figure 61. MISC2 Register
7
6
5
4
3
2
1
0
RESERVED
led_short_test
led_open_test
led_headroom
cp_dis_disch
R/W-0h
R/W-0h
R/W-0h
R/W-1h
R/W-0h
Table 50. MISC2 Register Field Descriptions
Bit
Field
Type
Reset
Description
7–5
RESERVED
R/W
0h
Reserved
4
led_short_test
R/W
0h
0 = LED-short test disabled (default)
1 = LED-short test enabled
3
led_open_test
R/W
0h
0 = LED-open test disabled (default)
1 = LED-open test enabled
2–1
led_headroom
R/W
1h
Selectable low-headroom comparator settings:
00 = 200 mV
01 = 250 mV (default)
10 = 300 mV
11 = 250 mV
0
cp_dis_disch
R/W
0h
Charge pump discharge disable.
0 = discharging is enabled in shutdown and standby states, absent
of TSD. (default)
1 = discharging is disabled
8.6.1.36 ENGINE_STATUS Register (Address = 3Ch) [reset = 80h]
ENGINE_STATUS is shown in Figure 62 and described in Table 51.
Return to Summary Table.
Engine Status Register
Figure 62. ENGINE_STATUS Register
7
6
5
4
3
2
1
0
mask_busy
startup_busy
engine_busy
RESERVED
ch3_int
ch2_int
ch1_int
R/W-1h
R-0h
R-0h
R-0h
R-0h
R-0h
R-0h
Table 51. ENGINE_STATUS Register Field Descriptions
Bit
Field
Type
Reset
Description
7
mask_busy
R/W
1h
Mask bit for interrupts generated by START-UP_BUSY or
ENGINE_BUSY.
0 = External interrupt is generated when START-UP_BUSY or
ENGINE_BUSY condition is no longer true.
1 = Interrupt events are masked (no external interrupt generated by
START-UP_BUSY or ENGINE_BUSY).
Reading register 3Ch clears the status bits and releases the INT pin
to the high state.



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