參數資料
型號： DSPIC30F3013-30I/ML
廠商： Microchip Technology
文件頁數： 68/161頁
文件大?。?/td> 0K
描述： IC DSPIC MCU/DSP 24K 44QFN
產品培訓模塊： 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
標準包裝： 45
系列： dsPIC™ 30F
核心處理器： dsPIC
芯體尺寸： 16-位
速度： 30 MIP
連通性： I²C，SPI，UART/USART
外圍設備： 欠壓檢測/復位，POR，PWM，WDT
輸入/輸出數： 20
程序存儲器容量： 24KB（8K x 24）
程序存儲器類型： 閃存
EEPROM 大小： 1K x 8
RAM 容量： 2K x 8
電壓 - 電源 (Vcc/Vdd)： 2.5 V ~ 5.5 V
數據轉換器： A/D 10x12b
振蕩器型： 內部
工作溫度： -40°C ~ 85°C
封裝/外殼： 44-VQFN 裸露焊盤
包裝： 管件
產品目錄頁面： 651 (CN2011-ZH PDF)
配用： DV164033-ND - KIT START EXPLORER 16 MPLAB ICD2
DM240001-ND - BOARD DEMO PIC24/DSPIC33/PIC32
DV164005-ND - KIT ICD2 SIMPLE SUIT W/USB CABLE
其它名稱： DSPIC30F301330IML
2010 Microchip Technology Inc.
DS70139G-page 19
dsPIC30F2011/2012/3012/3013
2.0
CPU ARCHITECTURE
OVERVIEW
This section is an 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
(see
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 helps 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.
2.1
Core Overview
The working register array consists of 16 x 16-bit
registers, each of which can act as data, address or
offset 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
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.
Two ways to access data in program memory are:
The upper 32 Kbytes of data space memory can
be mapped into the lower half (user space) of
program space at any 16K program word
boundary, defined by the 8-bit Program Space
Visibility Page register (PSVPAG). Thus any
instruction can access program space as if it were
data space, with a limitation that the access
requires an additional cycle. 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.
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 pre-defined
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
register (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 exe-
cuted 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 by 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
operate
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
Programmer’s
Reference
Manual”
(DS70157).
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