STP1612PW05QTR STMicroelectronics, STP1612PW05QTR Datasheet - Page 16

• Manufacturer Part Number: STP1612PW05QTR
• Description: 16-channel Led Driver With 16-bit Pwm, 8-bit Gain And Full Led Error Detection
• Manufacturer: STMicroelectronics

Definition of configuration register
7
16/32
Definition of configuration register
Table 13.
1. Please refer to “setting the PWM counting mode” section.
2. Please refer to “TSD” thermal error flag and thermal shutdown “section.
3. Please refer to “time-out alert of PWCLK disconnection” section.
9~2 Read/Write
MSB
MSB
Bit
E
D
C
B
A
F
1
0
F
F
X
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Attribute
E
E
0
Read
Configuration register
D
D
1
Time-out alert of
synchronization
mode selection
PWM counting
C
C
16-bit or 12-bit
disconnection
Thermal error
PWM counter:
Shift register
TSD thermal
Current gain
adjustment
Definition
PWM data
shutdown
11
PWCLK
length
mode
flag
B
B
Doc ID 15819 Rev 2
A
A
1
11 (default) PWM counting
0 (default) Shift register length 0 = 16-bit,1 = 256-bit
0 (default) Safe (OK)
0 (default)
1 (default) Manual synchronization
0 (default) Disable
0 (default) Enable
00000000
11111111
9
9
Value
00
01
10
1
0
~
1
1
8
8
Over temperature (>150 °C typ.)
To set the gray scale mode (PWM):
0 = 12-bit 1 = 16-bit
64 times of MSB
of LSB
16 times of MSB 6-bit PWM counting by 1/4
PWCLK plus once of LSB 6-bit PWM counting
4 times of MSB 6-bit PWM counting by 1/16
PWCLK plus once of LSB 6-bit PWM counting
Auto-synchronization
8’b10101011 (default)
Enable
if T
Disable
7
7
TF
> 150 °C
(1)
8’b10101011
(2)
(3)
6
6
6-bit PWM counting
the output channel turn OFF
5
5
(1)
Configuration register
6-bit PWM counting plus once
Function
4
4
3
3
Default value
STP1612PW05
2
2
1
1
0
LSB
LSB
0
0
0