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| 型号： | MC33389DDWR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 25/49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： | 剪切带 (CT) |
| 其它名称： | MC33389DDWR2CT |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
31
33389
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
entered the MOSI pin starting with Bit15, followed by Bit14,
Bit13, etc., to Bit0. For each fall of the SCLK signal, with CS
held in a logic low state, a data bit is loaded into the shift
register per the tidbit MOSI state.The shift register is full after
sixteen bits of information have been entered.
MISO PIN
The serial output (MISO) pin is the tri-stateable output from
the shift register. The MISO pin remains in a high impedance
state until the CS pin goes to a logic low state. The MISO pin
changes state on the rising edge of SCLK and reads out on
the falling edge of SCLK. The MOSI/MISO shifting of data
follows a first-in-first-out protocol with both input and output
words transferring the MSB first.
Module Address Map, the module address map is shown
in table.
Control and Status Reporting of the 33389
The MCU is responsible for the control data transfer to the
33389, while the 33389 reports its status to the MCU. Major
data for control and status reporting are summarized here:
SPI initialization during start up
33389 control during operation
Watchdog triggering
Reading status registers of the 33389
Control Data
The control data are transferred from the MCU to the
33389. A control word includes an address of a control
register and the appropriate data (see Figure 17). Basically,
the following data will be transferred. Please see SPI
33389 mode control
Supply control
Forced wake-up timing
Cyclic sense control
Watchdog control
Transceiver control
Status Data
The status data are transmitted from the 33389 to the
MCU. After receiving a valid register address from the MCU,
the 33389 returns the appropriate status. Some of the major
status data are listed below:
Current operation mode status
Wake-up sources
Reset status
Error status
Over temperature status
Transceiver status
Data Transfer
The data to and from the 33389 are transferred in form of
two bytes.The structure of the transferred information is the
same as for control and status reporting. The address field A5
to A0 (Bit 15 to Bit 10) contains the address of a control or
status register in the 33389. RW (Bit 9 and Bit 8) contains the
read/write flag for the data field. The parity field is located at
P3 to P0 (Bit 7 to Bit 4). The data field D3 to D0 (Bit 3 to Bit
0) is part of the two-byte data word. Please see Figure 17.
Table 16. Module Address Map
Address
Register
Register Name
$000
Mode Control Register
MCR
$003
Mode Control Validation
RegisterMCVR
MCVR
$005
V3 control register
V3R
$006
Cyclic timing control register
CYTCR
$009
Software watchdog control
register
SWCR
$00A
Ground shift level register
GSLR
$00C
Wake-up input control register
WUICR
$00F
Wake-up input status register
WUISR
$011
Wake up input real time
information
WUIRTI
$012
Overtemperature status regist
OTSR
$014
Transceiver error status
register for CANH
TESRH
$017
Transceiver error status
register for CANL
TESRL
$018
Reset source register
RSR
$01B
Voltage supply status regist
VSSR
$01D
Interrupt mask control register 1
IMR1
$01E
Interrupt mask control register 2
IMR2
$021
Interrupt source register 1
ISR1
$022
Interrupt source register 2
ISR2
$024
Transceiver control register
TCR
Table 16. Module Address Map
Address
Register
Register Name
相关PDF资料 |
PDF描述 |
|---|---|
| MC33389CDWR2 | IC SYSTEM BASE W/CAN 28-SOIC |
| MC33389CDH | IC SYSTEM BASIS W/CAN 20-HSOP |
| MC33989DW | IC SYSTEM BASE W/CAN 28-SOIC |
| MC33889DW | IC SYSTEM BASE W/CAN 28-SOIC |
| MC33389CDW | IC SYSTEM BASE W/CAN 28-SOIC |
相关代理商/技术参数 |
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