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| 型号： | MC34910BAC |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 32/90页 |
| 文件大小： | 0K |
| 描述： | IC SYSTEM BASIS CHIP LIN 32-LQFP |
| 标准包装： | 250 |
| 应用： | 系统基础芯片 |
| 电流 - 电源： | 4.5mA |
| 电源电压： | 5.5 V ~ 27 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-LQFP |
| 供应商设备封装： | 32-LQFP（7x7） |
| 包装： | 托盘 |
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MC33910G5AC/MC3433910G5AC
FUNCTIONAL DEVICE OPERATIONS
OPERATIONAL MODES
Table 7. Fault Detection Management Conditions
MONITORING (64)
BLOCK
FAULT
BATTERY FAIL
VSUP OVER-
VOLTAGE
MODE
All modes
Normal, Normal
CONDITION
V SUP <3.0 V (typ)
then power-up
V SUP > 19.25 V (typ)
FALLOUT
-
In Normal mode, HS
shutdown if bit
HVSE=1 (reg MCR)
RECOVERY
Condition gone
Condition gone, to
re-enable HS write to
HSCR registers
REG (FLAG,
BIT)
VSR (BATFAIL, 0)
VSR (VSOV,3)
INTERRUPT
-
IRQ low +
ISR (0101) (65)
Request
Power Supply
VSUP UNDER-
VOLTAGE
V SUP < 6.0 V (typ)
-
VSR (VSUV,2)
IRQ low + ISR
(0101)
VDD UNDER-
VOLTAGE
All except Sleep
V DD < 4.5 V (typ)
Reset (63)
-
-
Condition gone
VDD OVER-TEMP
PREWARNING
VDD OVER-
TEMPERATURE
RXD PIN SHORT
CIRCUIT
All except Low
Power modes
Temperature >
115°C (typ)
Temperature >
170°C (typ)
RXD pin shorted to
GND or 5 V
-
VDD shutdown,
Reset then Sleep
LIN trans shutdown
VSR (VDDOT,1)
-
LINSR,
(RXSHORT,3)
IRQ low + ISR
(0101)
-
LIN
TXD PIN
PERMANENT
DOMINANT
Normal, Normal
Request
TXD pin low for more
than 1s (typ)
LIN transmitter
shutdown
LIN transmitter re-
enabled once the
condition is gone and
TXD is high
LINSR (TXDOM,2)
IRQ low + ISR
(0100) (65)
LIN DRIVER OVER-
TEMPERATURE
Temperature >
160°C (typ)
LINSR (LINOT,1)
HIGH SIDE DRIVERS
OVER-
TEMPERATURE
Temperature >
160°C (typ)
Both HS thermal
shutdown
Condition gone, to
re-enable HS write to
HSCR reg
All flags in HSSR
are set
IRQ low + ISR
(0010) (65)
High Side
HS1 OPEN-LOAD
DETECTION
HS2 OPEN-LOAD
DETECTION
Normal, Normal
Request
Current through HSx
< 5.0 mA (typ)
-
HSSR (HS1OP,1)
HSSR (HS2OP,3)
Condition gone
-
HS1 OVER-
CURRENT
HS2 OVER-
CURRENT
Current through HSx
tends to rise above
the current limit
60 mA (min)
HSx on with limited
current capability
60 mA (min)
HSSR (HS1CL,0)
HSSR (HS2CL,2)
The MCU did not
NORMAL REQUEST
TIME-OUT EXPIRED
Normal Request
command the device
to Normal mode
within the 150 ms
Reset
-
timeout after reset
-
Watchdog
WATCHDOG
TIMEOUT
WATCHDOG ERROR
Normal
Normal
WD timeout or WD
clear within the
window closed
WDCONF pin is
floating
Reset
WD internal lower
precision timebase
150 ms (typ)
Connect WDCONF
to a resistor or to
GND
WDSR (WDTO, 3)
WDSR (WDERR, 2)
-
Notes
63.
64.
65.
When in Reset mode a VDD under-voltage condition combined with no V SUP under-voltage (VSUV=0) will send the device to Sleep mode.
Registers to be read when back in Normal Request or Normal mode depending on the fault. Interrupts only generated in Normal, Normal Request and Stop modes
Unless masked, If masked IRQ remains high and the ISR flags are not set.
33910
Analog Integrated Circuit Device Data
32
Freescale Semiconductor
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