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参数资料
型号： PIC32MX795F512HT-80I/PT
厂商： Microchip Technology
文件页数： 18/64页
文件大小： 0K
描述： IC MCU 32BIT 512KB FLASH 64TQFP
标准包装： 1,200
系列： PIC® 32MX
核心处理器： MIPS32? M4K?
芯体尺寸： 32-位
速度： 80MHz
连通性： CAN，以太网，I²C，SPI，UART/USART，USB OTG
外围设备： 欠压检测/复位，DMA，POR，PWM，WDT
输入/输出数： 53
程序存储器容量： 512KB（512K x 8）
程序存储器类型： 闪存
RAM 容量： 128K x 8
电压 - 电源 (Vcc/Vdd)： 2.3 V ~ 3.6 V
数据转换器： A/D 16x10b
振荡器型： 内部
工作温度： -40°C ~ 85°C
封装/外壳： 64-TQFP
包装： 带卷 (TR)
2007-2012 Microchip Technology Inc.
DS61145K-page 25
PIC32MX
Step 5: Load the PE_Loader. Repeat this step (Step
5) until the entire PE_Loader is loaded in the
PIC32MX memory. In the operands field,
“<PE_loader hi++>” represents the
MSbs 31 through 16 of the PE loader op
codes shown in Table 11-2. Likewise,
“<PE_loader lo++>” represents the LSbs
15 through 0 of the PE loader op codes
shown in Table 11-2. The “++” sign indicates
that when these operations are performed in
succession, the new word is to be trans-
ferred from the list of op codes of the LPE
Loader shown in Table 11-2. The instruction
sequence executed by the PIC32MX core is
as follows:
lui
a2, <PE_loader hi++>
ori
a0,a0, <PE_loader lo++>
sw
a2,0(a0)
addiu
a0,a0,4
XferInstruction (0x3c06 <PE_loader hi++> )
XferInstruction (0x34c6 <PE_loader lo++> )
XferInstruction 0xac860000
XferInstruction 0x24840004
Step 6: Jump to the PE_Loader. The instruction
sequence executed by the PIC32MX core is
as follows:
lui
t9,0xa000
ori
t9,t9,0x800
jr
t9
nop
XferInstruction 0x3c19a000
XferInstruction 0x37390800
XferInstruction 0x03200008
XferInstruction 0x00000000
Step 7: Load the PE using the PE_Loader. Repeat
the last instruction of this step (Step 7) until
the entire PE is loaded into the PIC32MX
memory. In this step, you are given an Intel
Hex format file of the PE that you will parse
and transfer a number of 32-bit words at a
time to the PIC32MX memory (refer to
Appendix B: “Hex File Format”). The
instruction sequence executed by the
PIC32MX is shown in the “Instruction”
column of Table 11-2: PE Loader Op Codes.
SendCommand
ETAP_FASTDATA
XferFastData
PE_ADDRESS (Address of PE
program block from PE Hex
file)
XferFastData
PE_SIZE (Number of 32-bit
words of the program block
from PE Hex file)
XferFastData
PE software op code from PE
Hex file (PE Instructions)
TABLE 11-1:
DOWNLOAD THE PE
(CONTINUED)
Operation
Operand
Step 8: Jump to the PE. Magic number
(0xDEAD0000) instructs the PE_Loader that
the PE is completely loaded into the mem-
ory. When the PE_Loader sees the magic
number, it jumps to the PE.
XferFastData
0x00000000
XferFastData
0xDEAD0000
TABLE 11-2:
PE LOADER OP CODES
Op code
Instruction
0x3c07dead
lui
a3, 0xdead
0x3c06ff20
lui
a2, 0xff20
0x3c05ff20
lui
al, 0xff20
herel:
0x8cc40000
lw
a0, 0 (a2)
0x8cc30000
lw
v1, 0 (a2)
0x1067000b
beq
v1, a3, <here3>
0x00000000
nop
0x1060fffb
beqz
v1, <here1>
0x00000000
nop
here2:
0x8ca20000
lw
v0, 0 (a1)
0x2463ffff
addiu
v1, v1, -1
0xac820000
sw
v0, 0 (a0)
0x24840004
addiu
a0, a0, 4
0x1460fffb
bnez
v1, <here2>
0x00000000
nop
0x1000fff3
b
<here1>
0x00000000
nop
here3:
0x3c02a000
lui
v0, 0xa000
0x34420900
ori
v0, v0, 0x900
0x00400008
jr
v0
0x00000000
nop
TABLE 11-1:
DOWNLOAD THE PE
(CONTINUED)
Operation
Operand
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相关代理商/技术参数
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PIC32MX795F512HT-80V/MR 功能描述:32位微控制器 - MCU 512KB 128KBR USB-OTG 2 CAN ETH 80MHz 10b RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
PIC32MX795F512HT-80V/PT 功能描述:32位微控制器 - MCU 512KB 128KBR USB-OTG 2 CAN ETH 80MHz 10b RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
PIC32MX795F512L 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:High-Performance, USB, CAN and Ethernet 32-bit Flash Microcontrollers
PIC32MX795F512L-80I/BG 功能描述:32位微控制器 - MCU 512KB Flash 128KB USB ENET RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
PIC32MX795F512L-80I/PF 功能描述:32位微控制器 - MCU 512KB Flash 128KBRAM USB 2xCAN 8 DMA RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
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