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參數(shù)資料
| 型號： | DSPIC33FJ16MC304-I/ML |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 49/76頁 |
| 文件大小： | 0K |
| 描述： | IC DSPIC MCU/DSP 16K 44QFN |
| 產品培訓模塊： | Asynchronous Stimulus |
| 特色產品： | PIC24FJ/33FJ MCUs & dsPIC? DSCs |
| 標準包裝： | 45 |
| 系列： | dsPIC™ 33F |
| 核心處理器： | dsPIC |
| 芯體尺寸： | 16-位 |
| 速度： | 40 MIP |
| 連通性： | I²C，IrDA，LIN，SPI，UART/USART |
| 外圍設備： | 欠壓檢測/復位，DMA，電機控制 PWM，QEI，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 35 |
| 程序存儲器容量： | 16KB（16K x 8） |
| 程序存儲器類型： | 閃存 |
| RAM 容量： | 2K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 3 V ~ 3.6 V |
| 數(shù)據(jù)轉換器： | A/D 9x10b/12b |
| 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： | 652 (CN2011-ZH PDF) |
| 配用： | AC164335-ND - MODULE SKT FOR 10X10 PM3 44TQFP DM240001-ND - BOARD DEMO PIC24/DSPIC33/PIC32 |
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2007-2012 Microchip Technology Inc.
DS70283K-page 53
dsPIC33FJ32MC202/204 and dsPIC33FJ16MC304
4.8.2
DATA ACCESS FROM PROGRAM
MEMORY USING TABLE
INSTRUCTIONS
The TBLRDL and TBLWTL instructions offer a direct
method of reading or writing the lower word of any
address within the program space without going
through data space. The TBLRDH and TBLWTH
instructions are the only method to read or write the
upper 8 bits of a program space word 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-wide word address spaces, residing side by side,
each with the same address range. TBLRDL and
TBLWTL access the space that contains the least
significant data word. TBLRDH and TBLWTH access the
space that contains the upper data byte.
Two table instructions are provided to move byte or
word-sized (16-bit) data to and from program space.
Both function as either byte or word operations.
TBLRDL (Table Read Low):
- In Word mode, this instruction maps the
lower word of the program space
location (P<15:0>) to a data address
(D<15:0>).
- In Byte mode, either the upper or lower byte
of the lower program word is mapped to the
lower byte of a data address. The upper byte
is selected when Byte Select is ‘1’; the lower
byte is selected when it is ‘0’.
TBLRDH (Table Read High):
- In Word mode, this instruction maps the entire
upper word of a program address (P<23:16>)
to a data address. Note that D<15:8>, the
‘phantom byte’, will always be ‘0’.
- In Byte mode, this instruction maps the upper
or lower byte of the program word to D<7:0>
of the data address, in the TBLRDL instruc-
tion. The data is always ‘0’ when the upper
‘phantom’ byte is selected (Byte Select = 1).
In a similar fashion, two table instructions, TBLWTH
and TBLWTL, are used to write individual bytes or
words to a program space address. The details of
their operation are explained in Section 5.0 “Flash
For all table operations, the area of program memory
space to be accessed is determined by the Table Page
register (TBLPAG). TBLPAG covers the entire program
memory space of the device, including user and
configuration spaces. When TBLPAG<7> = 0, the table
page is located in the user memory space. When
TBLPAG<7> = 1, the page is located in configuration
space.
FIGURE 4-8:
ACCESSING PROGRAM MEMORY WITH TABLE INSTRUCTIONS
0
8
16
23
00000000
‘Phantom’ Byte
TBLRDH.B (Wn<0> = 0)
TBLRDL.W
TBLRDL.B (Wn<0> = 1)
TBLRDL.B (Wn<0> = 0)
23
15
0
TBLPAG
02
0x000000
0x800000
0x020000
0x030000
Program Space
The address for the table operation is determined by the data EA
within the page defined by the TBLPAG register.
Only read operations are shown; write operations are also valid in
the user memory area.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| dsPIC33FJ16MC304T-I/ML | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16B DSC 44LD16KB Motor40 MIPS RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT |
| dsPIC33FJ16MC304T-I/PT | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16B DSC 16KB Motor40 MIPS RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT |
| dsPIC33FJ256GP506A-E/MR | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16 Bit MCU/DSP 64LD 40MIPS 256KB FLASH RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT |
| dsPIC33FJ256GP506A-E/PT | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16Bit 40MIPS 256KB Flash RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT |
| DSPIC33FJ256GP506A-H/MR | 制造商:Microchip Technology Inc 功能描述:16 BIT MCU/DSP 64LD 40MIPS 256KB FLASH - Trays |
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