参数资料
型号: MC33889BDW
厂商: Freescale Semiconductor
文件页数: 41/59页
文件大小: 0K
描述: IC SYSTEM BASE W/CAN 28-SOIC
标准包装: 1
控制器类型: 系统基础芯片
接口: CAN
电源电压: 5.5 V ~ 18 V
电流 - 电源: 45mA
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.295",7.50mm 宽)
供应商设备封装: 28-SOIC W
包装: 管件
Analog Integrated Circuit Device Data
46
Freescale Semiconductor
33889
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
WUR REGISTER
The local wake-up inputs L0 and L1 can be used in both normal and standby mode as port expander and for waking up the
SBC in sleep or stop mode.
Table 20. Gnd Shift Selection
GSLR1
GSLR0
Typical gnd shift comparator level
0
-0.3 V
0
1
-0.7 V
1
0
-1.2 V
1
-1.7 V
Shift
State
0
Gnd shift value is lower than the level selected by the GSLR1 and GSLR2 bit
1
Gnd shift value is higher than the level selected by the GSLR1 and GSLR2 bit
Table 21. Status Bits
Status bit
Description
HS1OT (35)
High side 1 overtemperature
SHIFT
gnd shift level selected by GSLR1 and GSLR2 bits is reached
V2LOW
V2 below 4.0 V typical
VSUPLOW
VSUP below 6.1 V typical
Notes
35.
Once the HS1 switch has been turned off because of overtemperature, it can be turned on again by setting the appropriate control bit
to “1”.
Table 22. WUR Register
WUR
D3
D2
D1
D0
$100b
W
LCTR3
LCTR2
LCTR1
LCTR0
R
L1WUb
L1WUa
L0WUb
L0WUa
Reset
1
Reset condition
POR, NR2R, N2R, STB2R, STO2R
Control Bits
LCTR3
LCTR2
LCTR1
LCTR0
L0 Configuration
L1 Configuration
X
0
inputs disabled
X
0
1
high level sensitive
X
1
0
low level sensitive
X
1
both level sensitive
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