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参数资料
型号： DSPIC33FJ12GP202-I/ML
厂商： Microchip Technology
文件页数： 26/90页
文件大小： 0K
描述： IC DSPIC MCU/DSP 12K 28QFN
产品培训模块： Asynchronous Stimulus
特色产品： PIC24FJ/33FJ MCUs & dsPIC? DSCs
标准包装： 61
系列： dsPIC™ 33F
核心处理器： dsPIC
芯体尺寸： 16-位
速度： 40 MIP
连通性： I²C，IrDA，SPI，UART/USART
外围设备： 欠压检测/复位，POR，PWM，WDT
输入/输出数： 21
程序存储器容量： 12KB（12K x 8）
程序存储器类型： 闪存
RAM 容量： 1K x 8
电压 - 电源 (Vcc/Vdd)： 3 V ~ 3.6 V
数据转换器： A/D 10x12b
振荡器型： 内部
工作温度： -40°C ~ 85°C
封装/外壳： 28-VQFN 裸露焊盘
包装： 管件
产品目录页面： 651 (CN2011-ZH PDF)
配用： AC164336-ND - MODULE SOCKET FOR PM3 28/44QFN
DM240001-ND - BOARD DEMO PIC24/DSPIC33/PIC32
dsPIC33F
DS70155C-page 30
Preliminary
2005 Microchip Technology Inc.
8.9
UART Module
The UART is a full-duplex asynchronous system that
can communicate with peripheral devices, such as
personal computers, RS-232 and RS-485 interfaces.
The dsPIC33F devices have one or more UARTs.
The key features of the UART module are:
Full-duplex operation with 8 or 9-bit data
Even, odd or no parity options (for 8-bit data)
One or two Stop bits
Fully integrated Baud Rate Generator (BRG) with
16-bit prescaler
Baud rates range from up to 10 Mbps and down to
38 Hz at 40 MIPS
4-character deep transmit data buffer
4-character deep receive data buffer
Parity, framing and buffer overrun error detection
Full IrDA support, including hardware encoding
and decoding of IrDA messages
LIN bus support
- Auto wake-up from Sleep or Idle mode on
Start bit detect
- Auto-baud detection
- Break character support
Support for interrupt on address detect (9th bit = 1)
Separate transmit and receive interrupts
- On transmission of 1 or 4 characters
- On reception of 1, 3 and 4 characters
Loopback mode for diagnostics
The UART1 and UART2 modules support DMA data
transfers.
8.10
I2C Module
The I2C module is a synchronous serial interface, useful
for
communicating
with
other
peripheral
or
microcontroller devices. These peripheral devices may
be serial EEPROMs, shift registers, display drivers, A/D
Converters, etc.
The Inter-Integrated Circuit (I2C) module offers full
hardware support for both slave and multi-master
operations.
The key features of the I2C module are:
I2C slave operation supports 7 and 10-bit address
I2C master operation supports 7 and 10-bit address
I2C port allows bidirectional transfers between
master and slaves
Serial clock synchronization for I2C port can be
used as a handshake mechanism to suspend and
resume serial transfer (serial clock stretching)
I2C supports multi-master operation; detects bus
collision and will arbitrate accordingly
Slew rate control for 100 kHz and 400 kHz bus speeds
In I2C mode, pin SCL is clock and pin SDA is data. The
module will override the data direction bits for these pins.
8.11
Controller Area Network (CAN)
Module
The Controller Area Network (CAN) module is a serial
interface useful for communicating with other CAN
modules or microcontroller devices. This interface/
protocol was designed to allow communications within
noisy environments.
The CAN module is a communication controller
implementing the CAN 2.0 A/B protocol, as defined in
the
BOSCH
specification.
The
module
supports
CAN 1.2, CAN 2.0A, CAN2.0B Passive and CAN 2.0B
Active versions of the protocol. Details of these protocols
can be found in the BOSCH CAN specification.
The CAN module features:
Implementation of the CAN protocol CAN 1.2,
CAN 2.0A and CAN 2.0B
Standard and extended data frames
Data lengths of 0-8 bytes
Programmable bit rate up to 1 Mbit/sec
Automatic response to remote frames
Up to 16 receive buffers in DMA RAM
FIFO Buffer mode (up to 64 messages deep)
16 full (standard/extended identifier) acceptance
filters
3 full acceptance filter masks
Up to 8 transmit buffers in DMA RAM
DMA can be used for transmission and reception
Programmable wake-up functionality with
integrated low-pass filter
Programmable Loopback mode supports self-test
operation
Signaling via interrupt capabilities for all CAN
receiver and transmitter error states
Programmable clock source
Programmable link to timer module for
time-stamping and network synchronization
Low-power Sleep and Idle mode
The CAN bus module consists of a protocol engine and
message buffering/control. The CAN protocol engine
handles all functions for receiving and transmitting
messages on the CAN bus. Messages are transmitted
by first loading the appropriate data registers. Status
and errors can be checked by reading the appropriate
registers. Any message detected on the CAN bus is
checked for errors and then matched against filters to
see if it should be received and stored in one of the
receive registers.
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