參數(shù)資料
型號： 908E624
廠商： Motorola, Inc.
英文描述： TRIPLE HIGH-SIDE SWITCH WITH EMBEDDED MCU AND LIN
中文描述： 三重高邊開關(guān)與嵌入式微控制器和LIN
文件頁數(shù)： 21/32頁
文件大?。?/td> 453K
代理商： 908E624
Analog Integrated Circuit Device Data
Freescale Semiconductor
21
908E624
Functional Description
Functional Device Operation
INTERRUPTS
In Normal (Run) mode the 908E624 has four different
interrupt sources. An interrupt pulse on the
IRQ_A
terminal is
generated to report a fault to the MCU. All interrupts are not
maskable and cannot be disabled.
After an Interrupt the INTSRC bit in the SPI Status register
is set, indicating the source of the event. This interrupt source
information is only transferred once, and the INTSRC bit is
cleared automatically.
Low-Voltage Interrupt
Low-voltage interrupt (LVI) is related to external supply
voltage VSUP1. If this voltage falls below the LVI threshold,
it will set the LVF bit in the SPI Status register and an interrupt
will be initiated. The LVF bit remains set as long as the Low-
voltage condition is present.
During Sleep and Stop mode the low-voltage interrupt
circuitry is disabled.
High-Voltage Interrupt
High-voltage interrupt (HVI) is related to external supply
voltage VSUP1. If this voltage rises above the HVI threshold,
it will set the HVF bit in the SPI Status register and an
interrupt will be initiated. The HVF bit remains set as long as
the high-voltage condition is present.
During Sleep and Stop mode the low-voltage interrupt
circuitry is disabled.
Wake-Up Interrupts
In Stop mode the
IRQ_A
terminal reports wake-up events
on the L1, L2, or the LIN bus to the MCU. All wake-up
interrupts are not maskable and cannot be disabled.
After a wake-up interrupt, the INTSRC bit in the Serial
Peripheral Interface (SPI) Status register is set, indicating the
source of the event. This wake-up source information is only
transferred once, and the INTSRC bit is cleared
automatically.
Figure 11
, page
22
, describes the Stop/Wake-Up
procedure.
VOLTAGE REGULATOR TEMPERATURE
PREWARNING (VDDT)
Voltage regulator temperature prewarning (VDDT) is
generated if the voltage regulator temperature is above the
T
PRE
threshold, it will set the VDDT bit in the SPI Status
register and an interrupt will be initiated. The VDDT bit
remains set as long as the error condition is present.
During Sleep and Stop mode the voltage regulator
temperature prewarning circuitry is disabled.
HIGH-SIDE SWITCH THERMAL SHUTDOWN
(HSST)
The high-side switch thermal shutdown HSST is
generated if one of the high-side switches HS1:HS3 is above
the HSST threshold, it will shutdown the corresponding High-
side switch, set the HSST flag in the SPI Status register and
an interrupt will be initiated. The HSST bit remains set as long
as the error condition is present.
During Sleep and Stop mode the high-side switch thermal
shutdown circuitry is disabled.
Table 6. Operating Modes Overview
Device
Mode
Voltage Regulator
Wake-Up
Capabilities
RST_A
Output
Watchdog
Function
HS1, HS2,
and HS3
LIN Interface
Sense
Amplifier
Reset
V
DD
ON
N/A
LOW
Disabled
Disabled
Recessive only
Not active
Normal
Request
V
DD
ON
N/A
HIGH
150 ms time out if
WD enabled
Enabled
Transmit and
receive
Not active
Normal
(Run)
V
DD
ON
N/A
HIGH
Window WD if
enabled
Enabled
Transmit and
receive
Active
Stop
V
DD
ON with limited
current capability
LIN wake-up,
L1, L2 state change,
SS
rising edge
HIGH
Disabled
Disabled
Recessive state with
wake-up capability
Not active
Sleep
V
DD
OFF
LIN wake-up
L1, L2 state change
LOW
Disabled
Disabled
Recessive state with
wake-up capability
Not active
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參數(shù)描述
908E624_10 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Triple High Side Switch with Embedded MCU and LIN Serial Communicationfor Relay Drivers
908E624_12 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Triple High Side Switch Embedded MCU and Lin Serial Communication for Relay Drivers
908E625 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication
908E625_07 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication
908E625_10 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication
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