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参数资料
| 型号： | PIC24FJ32GA004-I/ML |
| 厂商： | Microchip Technology |
| 文件页数： | 29/52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 |
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2008 Microchip Technology Inc.
DS39768D-page 35
PIC24FJXXXGA0XX
FIGURE 5-3:
PROGRAMMING EXECUTIVE – PROGRAMMER COMMUNICATION PROTOCOL
5.2
Programming Executive
Commands
The programming executive command set is shown in
Table 5-1. This table contains the opcode, mnemonic,
length, time-out and description for each command.
Functional details on each command are provided in
5.2.1
COMMAND FORMAT
All programming executive commands have a general
format consisting of a 16-bit header and any required
data for the command (see Figure 5-4). The 16-bit
header consists of a 4-bit opcode field, which is used to
identify the command, followed by a 12-bit command
length field.
FIGURE 5-4:
COMMAND FORMAT
The command opcode must match one of those in the
command set. Any command that is received which
does not match the list in Table 5-1 will return a “NACK”
response (see Section 5.3.1.1 “Opcode Field”).
The command length is represented in 16-bit words
since the SPI operates in 16-bit mode. The program-
ming executive uses the command length field to
determine the number of words to read from the SPI
port. If the value of this field is incorrect, the command
will not be properly received by the programming
executive.
5.2.2
PACKED DATA FORMAT
When 24-bit instruction words are transferred across
the 16-bit SPI interface, they are packed to conserve
space using the format shown in Figure 5-5. This
format minimizes traffic over the SPI and provides the
programming executive with data that is properly
aligned for performing table write operations.
FIGURE 5-5:
PACKED INSTRUCTION
WORD FORMAT
5.2.3
PROGRAMMING EXECUTIVE
ERROR HANDLING
The
programming
executive
will
“NACK”
all
unsupported commands. Additionally, due to the
memory constraints of the programming executive, no
checking is performed on the data contained in the
programmer command. It is the responsibility of the
programmer to command the programming executive
with valid command arguments or the programming
operation may fail. Additional information on error
handling is provided in Section 5.3.1.3 “QE_Code
1
2
15 16
1
2
15 16
PGCx
PGDx
PGCx = Input
PGCx = Input (Idle)
Host Transmits
Last Command Word
PGDx = Input
PGDx = Output
P8
12
15 16
MSB X X X LSB
1
0
P20
PGCx = Input
PGDx = Output
P9
Programming Executive
Processes Command
Host Clocks Out Response
P21
15
12
11
0
Opcode
Length
Command Data First Word (if required)
Command Data Last Word (if required)
Note:
When the number of instruction words
transferred is odd, MSB2 is zero and
LSW2 can not be transmitted.
15
8 7
0
LSW1
MSB2
MSB1
LSW2
LSWx: Least Significant 16 bits of instruction word
MSBx: Most Significant Bytes of instruction word
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PIC24FJ32GA004T-E/PT | 制造商:Microchip Technology Inc 功能描述: |
| PIC24FJ32GA004T-I/ML | 功能描述:16位微控制器 - MCU 32KB Flash 8192bytes-RAM 35I/O RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| PIC24FJ32GA004T-I/PT | 功能描述:16位微控制器 - MCU 32KB Flash 8192bytes-RAM 35I/O RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| PIC24FJ32GA102-E/SS | 功能描述:16位微控制器 - MCU 16b 16MIPS 32KB FL 8KBRAM nanowatt XLP RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| PIC24FJ32GA102-I/ML | 功能描述:16位微控制器 - MCU 16-bit16 MIPS 32KB Flash 8KB RAM RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
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