参数资料
型号: MC33911G5AC
厂商: Freescale Semiconductor
文件页数: 81/92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
MC33911BAC / MC34911BAC
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 Status
Register (VSR), LIN Status Register (LINSR), High Side
Status Register (HSSR), and the Low Side Status Register
(LSSR).
Table 39. System Status Register
HS1CL
HSS
HS1OP
Figure 46. High Side Status
LSS - Low Side Switch Status
S7
S6
S5
S4
This read-only bit indicates that one or more bits in the LSSR
are set.
Read
VMS
LINS
HSS
LSS
1 = Low Side Status bit set
0 = None
VMS - Voltage Monitor Status
This read-only bit indicates that one or more bits in the VSR
are set.
LS1CL
1 = Voltage Monitor bit set
0 = None
LS1OP
LS2CL
LS2OP
LSS
BATFAIL
VDDOT
VMS
VSUV
VSOV
Figure 44. Voltage Monitor Status
Figure 47. Low Side Status
Mode Control Register - MCR
The Mode Control Register (MCR) allows to switch between
the operation modes and to configure the 33911. Writing the
MCR will return the VSR.
Table 40. Mode Control Register - $0
LINS - LIN Status
This read-only bit indicates that one or more bits in the LINSR
are set.
1 = LIN Status bit set
0 = None
Write
Reset Value
Reset Condition
C3
HVSE
1
POR
C2
LINPE
1
POR
C1
MOD2
-
-
C0
MOD1
-
-
LINOC
HVSE - High-Voltage Shutdown Enable
LINOT
TXDOM
RXSHORT
LINS
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
Figure 45. 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
0 = automatic shutdown disabled
LINPE - LIN pull-up enable.
This write-only bit enables/disables the 30 k ?? LIN pull-up
resistor in STOP and SLEEP modes. This bit also controls
the LIN bus wake-up threshold.
1 = LIN pull-up resistor enabled
0 = LIN pull-up resistor disabled
33911
Analog Integrated Circuit Device Data ?
81
Freescale Semiconductor
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