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STP1612PW05 датащи(PDF) 16 Page - STMicroelectronics

номер детали STP1612PW05
подробное описание детали  16-channel LED driver with 16-bit PWM, 8-bit gain and full LED error detection
PDF  35 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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STP1612PW05 датащи(HTML) 16 Page - STMicroelectronics

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Definition of configuration register
STP1612PW05
16/35
Doc ID 15819 Rev 4
7
Definition of configuration register
Configuration register
Default value
MSB
LSB
F
E
D
C
B
A
98
76543
210
MSB
LSB
F
E
D
C
B
A
98
76543
210
X
0
1
11
1
8’b10101011
0
0
Table 13.
Configuration register
Bit
Attribute
Definition
Value
Function
F
Read/Write
Shift register
length
0 (default)
Shift register length 0 = 16-bit,1 = 256-bit
E
Read
Thermal error
flag
0 (default)
Safe (OK)
1
Over temperature (>150 °C typ.)
D
Read/Write
PWM counter:
16-bit or 12-bit
0 (default)
To set the gray scale mode (PWM):
0 = 12-bit 1 = 16-bit
C
Read/Write
PWM counting
mode selection
00
64 times of MSB(1) 6-bit PWM counting plus once
of LSB(1) 6-bit PWM counting
1.
Please refer to “setting the PWM counting mode” section.
01
16 times of MSB 6-bit PWM counting by 1/4
PWCLK plus once of LSB 6-bit PWM counting
B
10
4 times of MSB 6-bit PWM counting by 1/16
PWCLK plus once of LSB 6-bit PWM counting
11 (default) PWM counting
A
Read/Write
PWM data
synchronization
mode
0
Auto-synchronization
1 (default)
Manual synchronization
9~2
Read/Write
Current gain
adjustment
00000000
~
11111111
8’b10101011 (default)
1
Read/Write
TSD thermal
shutdown
0 (default)
Disable
1
Enable (2) the output channel turn OFF
if TTF > 150 °C
2.
Please refer to “TSD” thermal error flag and thermal shutdown “section.
0
Read/Write
Time-out alert of
PWCLK
disconnection
0 (default)
Enable (3)
3.
Please refer to “time-out alert of PWCLK disconnection” section.
1
Disable



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