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參數(shù)資料
| 型號： | PIC24FJ16GA002-I/SO |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 10/52頁 |
| 文件大小： | 0K |
| 描述： | IC PIC MCU FLASH 16K 28-SOIC |
| 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： | 27 |
| 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)： | 21 |
| 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 10x10b |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 28-SOIC（0.295"，7.50mm 寬） |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 647 (CN2011-ZH PDF) |
| 配用： | DM240011-ND - KIT STARTER MPLAB FOR PIC24F MCU AC162088-ND - HEADER MPLAB ICD2 24FJ64GA004 28 AC164339-ND - MODULE SKT FOR PM3 28SOIC DV164033-ND - KIT START EXPLORER 16 MPLAB ICD2 |
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PIC24FJXXXGA0XX
DS39768D-page 18
2008 Microchip Technology Inc.
3.6
Writing Code Memory
The procedure for writing code memory is the same as
the procedure for writing the Configuration registers,
except that 64 instruction words are programmed at a
time. To facilitate this operation, working registers,
W0:W5, are used as temporary holding registers for the
data to be programmed.
Table 3-5 shows the ICSP programming details, includ-
ing the serial pattern with the ICSP command code
which must be transmitted, Least Significant bit first,
using the PGCx and PGDx pins (see Figure 3-2).
In Step 1, the Reset vector is exited. In Step 2, the
NVMCON register is initialized for programming a full
row of code memory. In Step 3, the 24-bit starting des-
tination address for programming is loaded into the
TBLPAG register and W7 register. (The upper byte of
the starting destination address is stored in TBLPAG
and the lower 16 bits of the destination address are
stored in W7.)
To minimize the programming time, A packed instruction
format is used (Figure 3-6).
In Step 4, four packed instruction words are stored in
working registers, W0:W5, using the MOV instruction,
and the Read Pointer, W6, is initialized. The contents of
W0:W5 (holding the packed instruction word data) are
shown in Figure 3-6.
In Step 5, eight TBLWT instructions are used to copy
the data from W0:W5 to the write latches of code mem-
ory. Since code memory is programmed 64 instruction
load all the write latches (Step 6).
After the write latches are loaded, programming is
initiated by writing to the NVMCON register in Steps 7
is a precautionary measure to prevent the PC from
incrementing into unimplemented memory when large
devices are being programmed. Lastly, in Step 10,
programmed.
FIGURE 3-6:
PACKED INSTRUCTION
WORDS IN W<0:5>
15
8 7
0
W0
LSW0
W1
MSB1
MSB0
W2
LSW1
W3
LSW2
W4
MSB3
MSB2
W5
LSW3
TABLE 3-5:
SERIAL INSTRUCTION EXECUTION FOR WRITING CODE MEMORY
Command
(Binary)
Data
(Hex)
Description
Step 1: Exit the Reset vector.
0000
000000
040200
000000
NOP
GOTO
0x200
NOP
Step 2: Set the NVMCON to program 64 instruction words.
0000
24001A
883B0A
MOV
#0x4001, W10
MOV
W10, NVMCON
Step 3: Initialize the Write Pointer (W7) for TBLWT instruction.
0000
200xx0
880190
2xxxx7
MOV
#<DestinationAddress23:16>, W0
MOV
W0, TBLPAG
MOV
#<DestinationAddress15:0>, W7
Step 4: Load W0:W5 with the next 4 instruction words to program.
0000
2xxxx0
2xxxx1
2xxxx2
2xxxx3
2xxxx4
2xxxx5
MOV
#<LSW0>, W0
MOV
#<MSB1:MSB0>, W1
MOV
#<LSW1>, W2
MOV
#<LSW2>, W3
MOV
#<MSB3:MSB2>, W4
MOV
#<LSW3>, W5
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PIC24FJ16GA002T-E/SO | 制造商:Microchip Technology Inc 功能描述:PIC24 Series 16 kB RAM 16 kB Flash 16-Bit Microcontroller - SOIC-28 |
| PIC24FJ16GA002T-I/ML | 功能描述:16位微控制器 - MCU 16KB Flash 4096bytes RAM 21 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 |
| PIC24FJ16GA002T-I/SO | 功能描述:16位微控制器 - MCU 16KB Flash 4096bytes RAM 21 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 |
| PIC24FJ16GA002T-I/SS | 功能描述:16位微控制器 - MCU 16KB FLSH 4096Bs RAM 16B nanoWatt 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 |
| PIC24FJ16GA002TIML | 制造商:MICRO CHIP 功能描述:Pb Free |
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