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參數(shù)資料
| 型號： | DSPIC30F4013-30I/P |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 57/153頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DSPIC MCU/DSP 48K 40DIP |
| 產(chǎn)品培訓(xùn)模塊： | Serial Communications using dsPIC30F CAN Serial Communications using dsPIC30F I2C Serial Communications using dsPIC30F SPI Serial Communications using dsPIC30F UART dsPIC30F 12 bit ADC - Part 2 dsPIC30F Addressing Modes - Part 1 dsPIC30F Architecture - Part 1 dsPIC30F DSP Engine & ALU dsPIC30F Interrupts dsPIC30F Motor Control PWM dsPIC Timers Asynchronous Stimulus dsPIC30F Addressing Modes - Part 2 dsPIC30F Architecture - Part 2 dsPIC30F 12-bit ADC Part 1 |
| 標(biāo)準(zhǔn)包裝： | 10 |
| 系列： | dsPIC™ 30F |
| 核心處理器： | dsPIC |
| 芯體尺寸： | 16-位 |
| 速度： | 30 MIP |
| 連通性： | CAN，I²C，SPI，UART/USART |
| 外圍設(shè)備： | AC'97，欠壓檢測/復(fù)位，I²S，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 30 |
| 程序存儲器容量： | 48KB（16K x 24） |
| 程序存儲器類型： | 閃存 |
| EEPROM 大?。?/td> | 1K x 8 |
| RAM 容量： | 2K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 2.5 V ~ 5.5 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 13x12b |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 40-DIP（0.600"，15.24mm） |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 651 (CN2011-ZH PDF) |
| 配用： | AC30F003-ND - MODULE SOCKET DSPIC30F 40DIP DV164005-ND - KIT ICD2 SIMPLE SUIT W/USB CABLE ACICE0206-ND - ADAPTER MPLABICE 40P 600 MIL |
| 其它名稱： | DSPIC30F4013-30IP |
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2010 Microchip Technology Inc.
DS70138G-page 15
dsPIC30F3014/4013
2.0
CPU ARCHITECTURE
OVERVIEW
2.1
Core Overview
This section contains a brief overview of the CPU
architecture of the dsPIC30F.
The core has a 24-bit instruction word. The Program
Counter (PC) is 23 bits wide with the Least Significant
bit (LSb) always clear (refer to Section 3.1 “Program
Address Space”), and the Most Significant bit (MSb)
is ignored during normal program execution, except for
certain specialized instructions. Thus, the PC can
address up to 4M instruction words of user program
space. An instruction prefetch mechanism is used to
help maintain throughput. Program loop constructs,
free from loop count management overhead, are
supported using the DO and REPEAT instructions, both
of which are interruptible at any point.
The working register array consists of 16-bit x 16-bit
registers, each of which can act as data, address or off-
set registers. One working register (W15) operates as
a Software Stack Pointer for interrupts and calls.
The data space is 64 Kbytes (32K words) and is split
into two blocks, referred to as X and Y data memory.
Each block has its own independent Address Genera-
tion Unit (AGU). Most instructions operate solely
through the X memory, AGU, which provides the
appearance of a single, unified data space. The
Multiply-Accumulate (MAC) class of dual source DSP
instructions operate through both the X and Y AGUs,
splitting the data address space into two parts (see
Section 3.2 “Data Address Space”). The X and Y
data space boundary is device-specific and cannot be
altered by the user. Each data word consists of 2 bytes,
and most instructions can address data either as words
or bytes.
There are two methods of accessing data stored in
program memory:
The upper 32 Kbytes of data space memory can
be mapped into the lower half (user space) of pro-
gram space at any 16K program word boundary,
defined by the 8-bit Program Space Visibility Page
(PSVPAG) register. This lets any instruction
access program space as if it were data space,
with a limitation that the access requires an addi-
tional cycle. Moreover, only the lower 16 bits of
each instruction word can be accessed using this
method.
Linear indirect access of 32K word pages within
program space is also possible using any working
register, via table read and write instructions.
Table read and write instructions can be used to
access all 24 bits of an instruction word.
Overhead-free circular buffers (Modulo Addressing)
are supported in both X and Y address spaces. This is
primarily intended to remove the loop overhead for
DSP algorithms.
The X AGU also supports Bit-Reversed Addressing on
destination effective addresses to greatly simplify input
or output data reordering for radix-2 FFT algorithms.
Refer to Section 4.0 “Address Generator Units” for
details on Modulo and Bit-Reversed Addressing.
The core supports Inherent (no operand), Relative,
Literal, Memory Direct, Register Direct, Register
Indirect, Register Offset and Literal Offset Addressing
modes. Instructions are associated with predefined
addressing modes, depending upon their functional
requirements.
For most instructions, the core is capable of executing
a data (or program data) memory read, a working reg-
ister (data) read, a data memory write and a program
(instruction) memory read per instruction cycle. As a
result, 3-operand instructions are supported, allowing
C = A+B operations to be executed in a single cycle.
A DSP engine has been included to significantly
enhance the core arithmetic capability and throughput. It
features a high-speed, 17-bit x 17-bit multiplier, a 40-bit
ALU, two 40-bit saturating accumulators and a 40-bit
bidirectional barrel shifter. Data in the accumulator, or
any working register, can be shifted up to 15 bits right, or
16 bits left in a single cycle. The DSP instructions oper-
ate seamlessly with all other instructions and have been
designed for optimal real-time performance. The MAC
class of instructions can concurrently fetch two data
operands from memory while multiplying two W
registers. To enable this concurrent fetching of data
operands, the data space has been split for these
instructions and linear is for all others. This has been
achieved in a transparent and flexible manner by
dedicating certain working registers to each address
space for the MAC class of instructions.
Note:
This data sheet summarizes features of
this group of dsPIC30F devices and is not
intended to be a complete reference
source. For more information on the CPU,
peripherals,
register
descriptions
and
general device functionality, refer to the
“dsPIC30F Family Reference Manual”
(DS70046). For more information on the
device instruction set and programming,
refer to the “16-bit MCU and DSC Pro-
grammer’s
Reference
Manual”
(DS70157).
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