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参数资料
| 型号： | MCZ33784EF |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 14/30页 |
| 文件大小： | 0K |
| 描述： | IC SENSOR DBUS DSI 2.02 16-SOIC |
| 标准包装： | 48 |
| 类型： | 传感器接口 |
| 输入类型： | 模拟 |
| 输出类型： | 数字 |
| 接口： | 总线 |
| 电流 - 电源： | 4mA |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC N |
| 包装： | 管件 |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
21
33784
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
Figure 13. Request AN1 Command and Response Format
I/O CONTROL COMMAND AND RESPONSE
This command can be used to configure the direction of
the I/O pins, and force their states if configured as outputs.
Refer to Figure 14 for the command and response format.
The response is sent during the next message following a
valid I/O Control command to the addressed device. Because
this is a long-word only command, there is no short word
response.
The direction (DR) bits are used to specify the direction
(input or output) of each pin independently. If the DR bit for a
specific I/O pin is set to 1, then that I/O pin will be an output
and the state of the level (Lx) bit will determine whether the
pin is driven high or low. If the DR bit for a specific I/O pin is
set to 0, then that pin will be an input and the Lx bit in the
command will have no affect on the state of the pin.
In the response to the I/O Control Command, the DR bits
will show the direction that the pins were programmed. The
Lx bits will have the values that were set in the command.
These values may not reflect the actual states of the pins. To
obtain the accurate states of the pins, the Request Status
Command should be used.
The 33784 will only act on the I/O Control Command if the
address bits in the command match with the address that the
device was initialized. If the addresses do not match, the
device will do nothing and no response will be generated.
Address ‘0000’ is a global command. All slaves in the
signal path will configure their I/O pins according to the state
of the data bits. No response results from the I/O control
global command.
Data
Address
Command
Word Type
––––––––
A3
A2
A1
A0
0101
LW & ELW
A3
A2
A1
A0
0101
SW & ESW (8-bit)
––
A3
A2
A1
A0
0101
ESW (10-bit)
Response
Word Type
A3
A2
A1
A0
0000
B9
B8
B7
B6
B5
B4
B3
B2
LW & ELW
B9
B8
B7
B6
B5
B4
B3
B2
SW & ESW (8-bit)
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
ESW (10-bit)
Legend
A[3:0] = Address bits. The address of the selected device.
An address value of 0000 is ignored by all devices.
“–” = Don’t care bit. Can be 0 or 1.
B[9:0] = Measured value.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCZ33784EF/R2- | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:DSI 2.02 Sensor Interface |
| MCZ33784EFR2 | 功能描述:加速计 - 板上安装 DBUS2 SENSOR INTERFACE RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C |
| MCZ33789AE | 功能描述:网络控制器与处理器 IC Airbag ASSP RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| MCZ33789AE/R2 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Airbag System Basis Chip (SBC) with Power Supply and PSI5 Sensor Interface |
| MCZ33789AER2 | 功能描述:网络控制器与处理器 IC Airbag ASSP RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
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