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参数资料
| 型号： | MC34912BAC |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 81/95页 |
| 文件大小： | 0K |
| 描述： | IC SYSTEM BASIS CHIP LIN 32-LQFP |
| 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 ~ 18 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： | 托盘 |
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MC33912BAC / MC34912BAC
FUNCTIONAL DEVICE OPERATIONS
LOGIC COMMANDS AND REGISTERS
LOGIC COMMANDS AND REGISTERS
33912 SPI INTERFACE AND CONFIGURATION
The serial peripheral interface creates the communication
link between a microcontroller (master) and the 33912.
The interface consists of four pins (see Figure 43 ):
? CS — Chip Select
? MOSI — Master-Out Slave-In
? MISO — Master-In Slave-Out
? SCLK— Serial Clock
A complete data transfer via the SPI consists of 1 byte. The
master sends 4 bits of address (A3:A0) + 4 bits of control
information (C3:C0) and the slave replies with 4 system
status bits (VMS,LINS,HSS,LSS) + 4 bits of status
information (S3:S0).
CS
Register Write Data
MOSI
A3
A2
A1
A0
C3
C2
C1
C0
Register Read Data
MISO
VMS LINS HSS
LSS
S3
S2
S1
S0
SCLK
Read Data Latch
Rising Edge of SCLK
Change MISO/MISO Output
Falling Edge of SCLK
Sample MISO/MISO Input
Figure 43. SPI Protocol
Write Data Latch
During the inactive phase of the CS (HIGH), the new data
transfer is prepared.
The falling edge of the CS indicates the start of a new data
transfer and puts the MISO in the low-impedance state and
latches the analog status data (Register read data).
With the rising edge of the SPI clock (SCLK), the data is
moved to MISO/MOSI pins. With the falling edge of the SPI
clock (SCLK), the data is sampled by the receiver.
The data transfer is only valid if exactly 8 sample clock edges
are present during the active (low) phase of CS .
The rising edge of the Chip Select CS indicates the end of the
transfer and latches the write data (MOSI) into the register.
The CS high forces MISO to the high impedance state.
Register reset values are described along with the reset
condition. Reset condition is the condition causing the bit to
be set to its reset value. The main reset conditions are:
- Power-On Reset (POR): the level at which the logic is reset
and BATFAIL flag sets.
- Reset mode
- Reset done by the RST pin (ext_reset)
33912
Analog Integrated Circuit Device Data ?
Freescale Semiconductor
81
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC34912BACR2 | 功能描述:LIN 收发器 SBC LIN2G - HI END RoHS:否 制造商:NXP Semiconductors 工作电源电压: 电源电流: 最大工作温度: 封装 / 箱体:SO-8 |
| MC34912BTACR2 | 功能描述:LIN 收发器 SBC LIN 2G RoHS:否 制造商:NXP Semiconductors 工作电源电压: 电源电流: 最大工作温度: 封装 / 箱体:SO-8 |
| MC34912G5AC | 功能描述:LIN 收发器 SBCLIN2.5G predriver & CS RoHS:否 制造商:NXP Semiconductors 工作电源电压: 电源电流: 最大工作温度: 封装 / 箱体:SO-8 |
| MC34912G5ACR2 | 功能描述:接口 - 专用 SBCLIN2.5G PREDRIVER&CS RoHS:否 制造商:Texas Instruments 产品类型:1080p60 Image Sensor Receiver 工作电源电压:1.8 V 电源电流:89 mA 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:BGA-59 |
| MC34913 | 制造商:SPC Multicomp 功能描述:PLUG PANEL MOUNT 4WAY 制造商:SPC Multicomp 功能描述:PLUG, PANEL MOUNT, 4WAY 制造商:SPC Multicomp 功能描述:PLUG AND SOCKET CONNECTOR HOUSING; Series:2259(5559)A; No. of Positions:4; Pitch Spacing:4.2mm; For Use With:4.2mm Pin & Socket Connectors; Color:Natural; Connector Mounting:Panel; Connector Type:Plug & Socket; Gender:Receptacle ;RoHS Compliant: Yes |
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