参数资料
型号: MC34910BACR2
厂商: Freescale Semiconductor
文件页数: 79/90页
文件大小: 0K
描述: IC SYSTEM BASIS CHIP LIN 32-LQFP
标准包装: 2,000
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: 带卷 (TR)
MC33910BAC / MC34910BAC
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) and the HSSR.
Table 38. System Status Register
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
HS1CL
S7
S6
S5
S4
HS1OP
HS2CL
HSS
Read
VMS
LINS
HSS
–.
HS2OP
VMS - Voltage Monitor Status
This read-only bit indicates that one or more bits in the
voltage status register (VSR) are set.
1 = Voltage Monitor bit set
0 = None
BATFAIL
Figure 43. High Side Status
Mode Control Register - MCR
The MCR allows to switch between the operation modes
and to configure the 33910. Writing the MCR will return the
voltage status register (VSR).
Table 39. Mode Control Register - $0
VDDOT
VSUV
VMS
Write
C3
HVSE
C2
LINPE
C1
MOD2
C0
MOD1
VSOV
Figure 41. Voltage Monitor Status
LINS - LIN Status
Reset
Value
Reset
Condition
1
POR
1
POR
-
-
-
-
This read-only bit indicates that one or more bits in the LIN
status register (LINSR) are set.
1 = LIN Status bit set
0 = None
LINOC
HVSE - High-voltage Shutdown Enable
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
LINOT
TXDOM
LINS
LINPE - LIN pull-up enable.
This write-only bit enables/disables the 30 k Ω LIN pull-up
RXSHORT
Figure 42. LIN Status
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
33910
Analog Integrated Circuit Device Data
79
Freescale Semiconductor
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