参数资料
型号: PIC24FJ48GA004-E/ML
厂商: Microchip Technology
文件页数: 38/52页
文件大小: 0K
描述: IC PIC MCU FLASH 48K 44-QFN
特色产品: PIC24FJ/33FJ MCUs & dsPIC? DSCs
标准包装: 45
系列: PIC® 24F
核心处理器: PIC
芯体尺寸: 16-位
速度: 32MHz
连通性: I²C,PMP,SPI,UART/USART
外围设备: 欠压检测/复位,LVD,POR,PWM,WDT
输入/输出数: 35
程序存储器容量: 48KB(16K x 24)
程序存储器类型: 闪存
RAM 容量: 8K x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 3.6 V
数据转换器: A/D 13x10b
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 44-VQFN 裸露焊盘
包装: 管件
产品目录页面: 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
AC164336-ND - MODULE SOCKET FOR PM3 28/44QFN
DV164033-ND - KIT START EXPLORER 16 MPLAB ICD2
2008 Microchip Technology Inc.
DS39768D-page 43
PIC24FJXXXGA0XX
Step 7: Repeat Steps 5 and 6 to erase the second page of executive memory. The W1 Pointer should be
incremented by 400h to point to the second page.
Step 8: Initialize TBLPAG and NVMCON to write stored diagnostic and calibration as single words. Initialize W1
and W2 as Write and Read Pointers to rewrite stored Diagnostic and Calibration Words.
0000
200800
880190
240031
883B01
207F00
2000C2
000000
MOV
#0x80, W0
MOV
W0, TBLPAG
MOV
#0x4003, W1
MOV
W1, NVMCON
MOV
#0x07F0, W1
MOV
#0xC, W2
NOP
Step 9: Perform write of a single word of calibration data and initiate single-word write cycle.
0000
BB18B2
000000
A8E761
000000
TBLWTL
[W2++], [W1++]
NOP
BSET
NVMCON, #15
NOP
Step 10: Repeat this step to poll the WR bit (bit 15 of NVMCON) until it is cleared by the hardware.
0000
0001
0000
040200
000000
803B00
883C20
000000
<VISI>
000000
GOTO
0x200
NOP
MOV
NVMCON, W0
MOV
W0, VISI
NOP
Clock out contents of VISI register.
NOP
Step 11: Repeat steps 9-10 seven more times to program the remainder of the Diagnostic and Calibration Words
back into program memory.
Step 12: Initialize the NVMCON to program 64 instruction words.
0000
240010
883B00
MOV
#0x4001, W0
MOV
W0, NVMCON
Step 13: Initialize TBLPAG and the Write Pointer (W7).
0000
200800
880190
EB0380
000000
MOV
#0x80, W0
MOV
W0, TBLPAG
CLR
W7
NOP
Step 14: Load W0:W5 with the next four words of packed programming executive code and initialize W6 for
programming. Programming starts from the base of executive memory (800000h) using W6 as a Read
Pointer and W7 as a Write Pointer.
0000
2<LSW0>0
2<MSB1:MSB0>1
2<LSW1>2
2<LSW2>3
2<MSB3:MSB2>4
2<LSW3>5
MOV
#<LSW0>, W0
MOV
#<MSB1:MSB0>, W1
MOV
#<LSW1>, W2
MOV
#<LSW2>, W3
MOV
#<MSB3:MSB2>, W4
MOV
#<LSW3>, W5
TABLE 5-5:
PROGRAMMING THE PROGRAMMING EXECUTIVE (CONTINUED)
Command
(Binary)
Data
(Hex)
Description
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