參數(shù)資料
型號(hào): DSPIC30F3013-30I/ML
廠商: Microchip Technology
文件頁數(shù): 104/161頁
文件大?。?/td> 0K
描述: IC DSPIC MCU/DSP 24K 44QFN
產(chǎn)品培訓(xùn)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(biāo)準(zhǔn)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(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 20
程序存儲(chǔ)器容量: 24KB(8K x 24)
程序存儲(chǔ)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 10x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-VQFN 裸露焊盤
包裝: 管件
產(chǎn)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
dsPIC30F2011/2012/3012/3013
DS70139G-page 32
2010 Microchip Technology Inc.
3.1.1
DATA ACCESS FROM PROGRAM
MEMORY USING TABLE
INSTRUCTIONS
This architecture fetches 24-bit wide program memory.
Consequently,
instructions
are
always
aligned.
However, as the architecture is modified Harvard, data
can also be present in program space.
There are two methods by which program space can
be accessed: via special table instructions, or through
the remapping of a 16K word program space page into
the upper half of data space (see Section 3.1.2 “Data
The
TBLRDL
and
TBLWTL
instructions offer a direct method of reading or writing
the lsw of any address within program space, without
going through data space. The TBLRDH and TBLWTH
instructions are the only method whereby the upper 8
bits of a program space word can be accessed as data.
The PC is incremented by two for each successive
24-bit program word. This allows program memory
addresses to directly map to data space addresses.
Program memory can thus be regarded as two 16-bit
word wide address spaces, residing side by side, each
with the same address range. TBLRDL and TBLWTL
access the space which contains the lsw, and TBLRDH
and TBLWTH access the space which contains the
MSB.
Figure 3-2 shows how the EA is created for table
operations and data space accesses (PSV = 1). Here,
P<23:0> refers to a program space word, whereas
D<15:0> refers to a data space word.
A set of table instructions are provided to move byte or
word-sized data to and from program space. See
Figure 3-4 and Figure 3-5.
1.
TBLRDL:
Table Read Low
Word: Read the LS Word of the program address;
P<15:0> maps to D<15:0>.
Byte: Read one of the LSB of the program
address;
P<7:0> maps to the destination byte when byte
select = 0;
P<15:8> maps to the destination byte when byte
select = 1.
2.
TBLWTL:
Table Write Low (refer to Section 5.0
“Flash Program Memory” for details on Flash
Programming)
3.
TBLRDH:
Table Read High
Word: Read the MS Word of the program address;
P<23:16> maps to D<7:0>; D<15:8> will always
be = 0.
Byte: Read one of the MSB of the program
address;
P<23:16> maps to the destination byte when
byte select = 0;
The destination byte will always be = 0 when
byte select = 1.
4.
TBLWTH:
Table Write High (refer to Section 5.0
“Flash Program Memory” for details on Flash
Programming)
FIGURE 3-3:
PROGRAM DATA TABLE ACCESS (lsw)
0
8
16
PC Address
0x000000
0x000002
0x000004
0x000006
23
00000000
Program Memory
‘Phantom’ Byte
(read as ‘0’)
TBLRDL.W
TBLRDL.B (Wn<0> = 1)
TBLRDL.B (Wn<0> = 0)
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