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L9658 Folha de dados(PDF) 24 Page - STMicroelectronics

Nome de Peças L9658
Descrição Electrónicos  Analog output available for resistance
PDF  64 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9658 Folha de dados(HTML) 24 Page - STMicroelectronics

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Functional description
L9658
24/64
Doc ID 14219 Rev 3
command is sent before the timer for the previous command expired, the timer is refreshed.
Sending a deployment-disable command will terminate the pulse stretch timer operation.
ONLY a timer operation started by a deployment-enable command can be terminated. A
deployment-en/disable command does not affect the timer operation started by arming
signal.
When an arming-enable command is sent through SPI, the pulse stretcher is initiated
immediately following the falling edge of CS_A. When another arming-enable command is
sent before the timer for the previous command expired, the timer is refreshed. Sending an
arming disable command terminate the pulse stretch timer operation. ONLY a timer
operation started by an arming-enable command can be terminated. An arming-en/disable
command does not affect the timer operation started by a valid deployment command.
Figure 12.
Deployment flow chart
Note:
MOSI Register Mode: ignored. Next MISO: SPI fault response
MOSI Command Mode: execute for channels NOT in deployment, NO effect to deploying
channel. Next MISO: Command mode response
MOSI Diagnostic Mode: ignored. Next MISO: SPI fault response
MOSI Monitor Mode: execute for all channels. Next MISO: Status response
BEGIN
MOSI_A.Arm = 1
Y
Start/Refresh
Pulse Stretch Timer
SPI MOSI
Command Mode
Y
Pulse Stretch Timer
Expired
N
MISO.Depen = 1
Y
N
Turn on LS and HS FET
N
MISO.Arm.Flg = 1
MISO_A.Arm.St = 1
N
MISO.Arm.Flg = 0
Y
Arming SPI
Transmission
MOSI_A.Arm = 1
Terminate
Pulse Stretch Timer
Y
N
Y
N
MISO.Depl.Cmd.St = 1
MISO.Depl.Cmd.St = 0
MOSI.Depl = 1
Deploy Success Flag = 1
Deploy Flag = 1
t
DEPLOY Expired
Y
N
Y
N
SPI MOSI
Command Mode
MOSI.Depl = 1
N
Start/Refresh
Pulse Stretch Timer
MISO.Depen = 1
Y
Pulse Stretch Timer
Expired
N
Y
N
Terminate
Pulse Stretch Timer
N
MISO.Depl.Cmd.St = 1
MISO.Depl.Cmd.St = 0
Y
Y
Arming SPI
Transmission
Y
N
N
Arming SPI
Transmission
MOSI_A.Arm = 1
Y
Y
MISO.Depen = 1
N
SPI MOSI
Command Mode
Y
MOSI.Depl = 1
N
MISO_A.Arm.St = 0
Y
MISO.Depl.Cmd.St = 0
N
N
MISO_A.Arm.St = 1
Deploy Success
Flag = 1
N
Y
Turn on LS and HS FET
Deploy Success Flag = 1
Deploy Flag = 1
t
DEPLOY Expired
Y
Deploy Success
Flag = 1
N
Y
Y
N
MISO.Arm.Flg = 0
MISO_A.Arm.St = 0
Ignore SPI MOSI1
Ignore SPI MOSI1
Ignore Arming SPI
MISO_A.Arm.St = 0
Ignore Arming SPI
BEGIN
SPI MOSI
Monitor Mode
Y
Deploy Success Flag = 0
N
MOSI.Clr.Scs.Flg = 1
Y
N



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