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L99MOD50XP 数据表(PDF) 32 Page - STMicroelectronics

部件名 L99MOD50XP
功能描述  Multi-output driver for automotive applications
PDF  42 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L99MOD50XP 数据表(HTML) 32 Page - STMicroelectronics

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SPI - control and status registers
L99MOD50XP
32/42
DS12615 Rev 4
5.4
Control register 3
Table 27. Control register 3 (read/write)
Bit
Name
Comment
15
OUT7-OCR enable
In case of an over-current event the over-current status bit (Status register 1)
is set and the output is switched off. If the Over-current Recovery Enable bit
(OCR) is set the output will be automatically reactivated after a delay time
resulting in a PWM modulated current with a programmable duty cycle (bit 5).
Depending on the occurrence of the over-current event and the internal clock
phase it is possible that one recovery cycle is executed even if this bit is set to
zero.
14
OUT8-OCR enable
13
OUT9-OCR enable
12
OUT10-OCR enable
11
OUT11-OCR enable
10
OUT7 PWM1 enable
If the PWM1/2 Enable bit is set and the output is enabled (control register 0 or
1) the output is switched on if PWM1/2 input is high and switched off if
PWM1/2 input is low. OUT5, 8 and OUT10 are controlled by PWM2 input all
other outputs are controlled by PWM1 input.
9
OUT8 PWM2 enable
8
OUT9 PWM1 enable
7
OUT10 PWM2 enable
6
OUT11 PWM1 enable
5
OCR frequency
0: 1.7 kHz
1: 3 kHz
This bit defines in combination with the over-current recovery bit (Input
Register 1) the over-current recovery frequency of an activated driver.
4
OV/UVR disable
If this bit is set the microcontroller has to clear the status register after
undervoltage/overvoltage event to enable the outputs.
3
CM select bit 3
Depending on combination of bit 3 to 0 the current image of the
selected high-side output OUTn will be multiplexed to the CM/PWM2
output (see table below).
Other combinations deactivate the current monitor.
Bit 3
Bit 2
Bit 1
Bit 0
Current image of
0
0
0
0
OUT1
2
CM select bit 2
0
0
0
1
OUT2
0
0
1
0
OUT3
0
0
1
1
OUT4
0
1
0
0
OUT5
1
CM select bit 1
0
1
0
1
OUT6
0
1
1
0
OUT7
0
1
1
1
OUT8
1
0
0
0
OUT9
0
CM select bit 0
1
0
0
1
OUT10
1
0
1
0
OUT11



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