参数资料
型号: MC33911BAC
厂商: Freescale Semiconductor
文件页数: 40/92页
文件大小: 0K
描述: IC SYSTEM BASIS CHIP 32LQFP
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 ~ 125°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
MC33911G5AC/MC3433911G5AC
FUNCTIONAL DEVICE OPERATIONS
LOGIC COMMANDS AND REGISTERS
REGISTER DEFINITIONS
System Status Register - SYSSR
The System Status Register (SYSSR) is always transferred
with every SPI transmission and gives a quick system status
overview. It summarizes the status of the Voltage Monitor
Status (VMS), LIN Status (LINS), High Side Status (HSS),
and the Low Side Status (LSS).
Table 9. System Status Register
HS1CL
HSS
HS1OP
Figure 23. High Side Status
LSS - Low Side Switch Status
Read
S7
VMS
S6
LINS
S5
HSS
S4
LSS
This read-only bit indicates that one or more bits in the LSSR
are set.
1 = Low Side Status bit set
VMS - Voltage Monitor Status
0 = None
This read-only bit indicates that one or more bits in the VSR
are set.
1 = Voltage Monitor bit set
0 = None
LS1CL
LS1OP
LS2CL
LSS
LS2OP
BATFAIL
VDDOT
VMS
VSUV
VSOV
Figure 21. Voltage Monitor Status
LINS - LIN Status
Figure 24. Low Side Status
Mode Control Register - MCR
The Mode Control Register (MCR) allows switching between
the operation modes and to configure the 33911. Writing the
MCR will return the VSR.
Table 10. Mode Control Register - $0
This read-only bit indicates that one or more bits in the LINSR
are set.
C3
C2
C1
C0
1 = LIN Status bit set
0 = None
LINOT
Write
Reset
Value
Reset
Condition
HVSE
1
POR
0
0
POR
MOD2
-
-
MOD1
-
-
TXDOM
LINS
HVSE - High-Voltage Shutdown Enable
RXSHORT
Figure 22. LIN Status
HSS - High Side Switch Status
This read-only bit indicates that one or more bits in the HSSR
are set.
1 = High Side Status bit set
0 = None
This write-only bit enables/disables automatic shutdown of
the high side and the low side drivers during a high-voltage
VSOV condition.
1 = automatic shutdown enabled
0 = automatic shutdown disabled
MOD2, MOD1 - Mode Control Bits
These write-only bits select the operating mode and allow
clearing the watchdog in accordance with Table 7 Mode
Control Bits.
33911
Analog Integrated Circuit Device Data ?
40
Freescale Semiconductor
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