參數(shù)資料
型號: PIC24FJ16GA004-I/PT
廠商: Microchip Technology
文件頁數(shù): 16/52頁
文件大?。?/td> 0K
描述: IC PIC MCU FLASH 16K 44-TQFP
產(chǎn)品培訓(xùn)模塊: Graphics LCD System and PIC24 Interface
Asynchronous Stimulus
特色產(chǎn)品: PIC24FJ/33FJ MCUs & dsPIC? DSCs
標(biāo)準(zhǔn)包裝: 160
系列: PIC® 24F
核心處理器: PIC
芯體尺寸: 16-位
速度: 32MHz
連通性: I²C,PMP,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,LVD,POR,PWM,WDT
輸入/輸出數(shù): 35
程序存儲器容量: 16KB(5.5K x 24)
程序存儲器類型: 閃存
RAM 容量: 4K x 8
電壓 - 電源 (Vcc/Vdd): 2 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 13x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-TQFP
包裝: 托盤
產(chǎn)品目錄頁面: 647 (CN2011-ZH PDF)
配用: 876-1004-ND - PIC24 BREAKOUT BOARD
DM240011-ND - KIT STARTER MPLAB FOR PIC24F MCU
AC162088-ND - HEADER MPLAB ICD2 24FJ64GA004 28
AC164335-ND - MODULE SKT FOR 10X10 PM3 44TQFP
DV164033-ND - KIT START EXPLORER 16 MPLAB ICD2
2008 Microchip Technology Inc.
DS39768D-page 23
PIC24FJXXXGA0XX
3.8
Reading Code Memory
Reading from code memory is performed by executing
a series of TBLRD instructions and clocking out the data
using the REGOUT command.
Table 3-8 shows the ICSP programming details for
reading code memory. In Step 1, the Reset vector is
exited. In Step 2, the 24-bit starting source address for
reading is loaded into the TBLPAG register and W6
register. The upper byte of the starting source address
is stored in TBLPAG and the lower 16 bits of the source
address are stored in W6.
To minimize the reading time, the packed instruction
word format that was utilized for writing is also used for
reading (see Figure 3-6). In Step 3, the Write Pointer,
W7, is initialized. In Step 4, two instruction words are
read from code memory and clocked out of the device,
through
the
VISI
register,
using
the
REGOUT
command. Step 4 is repeated until the desired amount
of code memory is read.
TABLE 3-8:
SERIAL INSTRUCTION EXECUTION FOR READING CODE MEMORY
Command
(Binary)
Data
(Hex)
Description
Step 1: Exit Reset vector.
0000
000000
040200
000000
NOP
GOTO
0x200
NOP
Step 2: Initialize TBLPAG and the Read Pointer (W6) for TBLRD instruction.
0000
200xx0
880190
2xxxx6
MOV
#<SourceAddress23:16>, W0
MOV
W0, TBLPAG
MOV
#<SourceAddress15:0>, W6
Step 3: Initialize the Write Pointer (W7) to point to the VISI register.
0000
207847
000000
MOV
#VISI, W7
NOP
Step 4: Read and clock out the contents of the next two locations of code memory, through the VISI register, using
the REGOUT command.
0000
0001
0000
0001
0000
0001
0000
BA0B96
000000
<VISI>
000000
BADBB6
000000
BAD3D6
000000
<VISI>
000000
BA0BB6
000000
<VISI>
000000
TBLRDL
[W6], [W7]
NOP
Clock out contents of VISI register
NOP
TBLRDH.B [W6++], [W7++]
NOP
TBLRDH.B [++W6], [W7--]
NOP
Clock out contents of VISI register
NOP
TBLRDL
[W6++], [W7]
NOP
Clock out contents of VISI register
NOP
Step 5: Reset device internal PC.
0000
040200
000000
GOTO
0x200
NOP
Step 6: Repeat Steps 4 and 5 until all desired code memory is read.
相關(guān)PDF資料
PDF描述
PIC24F16KA301-I/SS MCU 16KB FLASH 2KB RAM 20-SSOP
PIC18F66J16-I/PT IC PIC MCU FLASH 48KX16 64TQFP
PIC18LF24J50-I/SS IC PIC MCU FLASH 16K 2V 28-SSOP
PIC18F24J50-I/SS IC PIC MCU FLASH 16K 2V 28-SSOP
PIC24FV16KA301-I/SS MCU 16KB FLASH 2KB RAM 20-SSOP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC24FJ16GA004T-I/ML 功能描述:16位微控制器 - MCU 16KB Flash 4096bytes RAM 35 I/O RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
PIC24FJ16GA004T-I/PT 功能描述:16位微控制器 - MCU 16KB Flash 4096bytes RAM 35 I/O RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
PIC24FJ16MC101-E/P 功能描述:16位微控制器 - MCU 16bt Mtr Ctrl 16MIPS 16KB FL 1KB RAM RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
PIC24FJ16MC101-E/SO 功能描述:16位微控制器 - MCU 16bt Mtr Ctrl 16MIPS 16KB FL 1KB RAM RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
PIC24FJ16MC101-E/SS 功能描述:16位微控制器 - MCU 16bt Mtr Ctrl 16MIPS 16KB FL 1KB RAM RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT