参数资料
型号: PIC24FJ32GA004-I/ML
厂商: Microchip Technology
文件页数: 17/52页
文件大小: 0K
描述: IC PIC MCU FLASH 32KB 44QFN
产品培训模块: Graphics LCD System and PIC24 Interface
Asynchronous Stimulus
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: 32KB(11K 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 ~ 85°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
PIC24FJXXXGA0XX
DS39768D-page 24
2008 Microchip Technology Inc.
3.9
Reading Configuration Words
The procedure for reading configuration memory is
similar to the procedure for reading code memory,
except that 16-bit data words are read (with the upper
byte read being all ‘0’s) instead of 24-bit words. Since
there are two Configuration registers, they are read one
register at a time.
Table 3-9 shows the ICSP programming details for
reading the Configuration Words. Note that the
TBLPAG register must be loaded with 00h for 96 Kbyte
and below devices and 01h for 128 Kbyte devices (the
upper byte address of configuration memory), and the
Read Pointer, W6, is initialized to the lower 16 bits of
the Configuration Word location.
TABLE 3-9:
SERIAL INSTRUCTION EXECUTION FOR READING ALL CONFIGURATION MEMORY
Command
(Binary)
Data
(Hex)
Description
Step 1: Exit Reset vector.
0000
000000
040200
000000
NOP
GOTO
0x200
NOP
Step 2: Initialize TBLPAG, the Read Pointer (W6) and the Write Pointer (W7) for TBLRD instruction.
0000
200xx0
880190
2xxxx7
207847
000000
MOV
<CW2Address23:16>, W0
MOV
W0, TBLPAG
MOV
<CW2Address15:0>, W6
MOV
#VISI, W7
NOP
Step 3: Read the Configuration register and write it to the VISI register (located at 784h), and clock out the
VISI register using the REGOUT command.
0000
0001
0000
BA0BB6
000000
<VISI>
000000
TBLRDL
[W6++], [W7]
NOP
Clock out contents of VISI register
NOP
Step 4: Repeat Step 3 again to read Configuration Word 1.
Step 5: Reset device internal PC.
0000
040200
000000
GOTO
0x200
NOP
相关PDF资料
PDF描述
SFW18S-6STME1 SFW18S-6STME1-FFC/FPC CONN
SLW22R-5C7 SLW22R-5C7-FFC/FPC CONN
HFW4R-1STE1 HFW4R-1STE1-FFC/FPC CONN
SLW14S-5C7 SLW14S-5C7-FFC/FPC CONN
HFW22R-2STE1 HFW22R-2STE1-FFC/FPC CONN
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参数描述
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