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L9800 датащи(PDF) 45 Page - STMicroelectronics

номер детали L9800
подробное описание детали  Automotive 8-channel LS driver
PDF  55 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9800 датащи(HTML) 45 Page - STMicroelectronics

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Field name
Type
Bit
offset
Bit
width
Reset
value
Reset
source
Description
PWM_DIV_GEN
RW
0
2
0x00
NPOR, NRES pin,
CFG_1.RST bit, VDD_UV
Clock division factor for PWM GEN generator PWM
frequency:
00 (default): PWM_FRQ = 122 Hz
01: PWM_FRQ = 244 Hz
10: PWM_FRQ = 488 Hz
11: PWM_FRQ = 976 Hz
BIM, 0x04
OUTn
RW
0
8
0x00
NPOR, NRES pin,
CFG_1.RST bit, VDD_UV
Driver bulb inrush mode for n = 0 to 7:
0 (default): output latches OFF in case of overcurrent or
overtemperature
1: output restarts automatically in case of overcurrent or
overtemperature
BIM.OUTn bits are set back to “0” at the end of BIM
time(tBIM)
RESERVED_1, 0x05
UNUSED
RO
0
8
0x00
X
PWM_SPI, 0x06
OUTn
RW
0
8
0x00
NPOR, NRES pin,
CFG_1.RST bit, VDD_UV
Power output control register for n = 0 to 7:
0 (default): output is OFF
1: Output is ON
MAP_IN0, 0x07
OUTn
RW
0
8
0x04
NPOR, NRES pin,
CFG_1.RST bit, VDD_UV
0: OUTn not driven by IN0
1: OUTn driver by IN0
(by default OUT2 connected to IN0)
MAP_IN1, 0x08
OUTn
RW
0
8
0x08
NPOR, NRES pin,
CFG_1.RST bit, VDD_UV
0: OUTn not driven by IN1
1: OUTn driver by IN1
(by default OUT3 connected to IN1)
MAP_PWM, 0x09
OUTn
RW
0
8
0x00
NPOR, NRES pin,
CFG_1.RST bit, VDD_UV
0 (default): OUTn not driven by PWM generators
1: OUTn driven by PWM generators
PWM_SEL, 0x0A
OUTn
RW
0
8
0x00
NPOR, NRES pin,
CFG_1.RST bit, VDD_UV
0 (default): OUTn driven by PWM_GEN
1: OUTn driven by PWM_LED
PWM_GEN_DC, 0x0B
DUTY_CYCLE
RW
0
8
0x00
NPOR, NRES pin,
CFG_1.RST bit, VDD_UV
PWM_GEN duty cycle setting:
b00000000: PWM generator is OFF
b11111111: PWM generator is ON (100% duty cycle)
PWM_LED_DC, 0x0C
DUTY_CYCLE
RW
0
8
0x00
NPOR, NRES pin,
CFG_1.RST bit, VDD_UV
PWM_LED duty cycle setting:
b00000000: PWM generator is OFF
b11111111: PWM generator is ON (100% duty cycle)
L9800
Serial peripheral interface (SPI)
DS14041 - Rev 2
page 45/55



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