参数资料
型号: PIC32MX795F512HT-80I/PT
厂商: Microchip Technology
文件页数: 49/64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 53
PIC32MX
TABLE 19-3:
MCHP STATUS VALUE
TABLE 19-4:
EJTAG TAP INSTRUCTIONS
Bit
Range
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
7:0
CPS
0
NVMERR(1)
0
CFGRDY
FCBUSY
FAEN
DEVRST
bit 7
CPS: Code-Protect State bit
1
= Device is not code-protected
0
= Device is code-protected
bit 6
Unimplemented: Read as ‘0’
bit 5
NVMERR: NVMCON Status bit(1)
1
= An Error occurred during NVM operation
0
= An Error did not occur during NVM operation
bit 4
Unimplemented: Read as ‘0’
bit 3
CFGRDY: Code-Protect State bit
1
= Configuration has been read and CP is valid
0
= Configuration has not been read
bit 2
FCBUSY: Flash Controller Busy bit
1
= Flash controller is busy (Erase is in progress)
0
= Flash controller is not busy (either erase has not started or it has finished)
bit 1
FAEN: Flash Access Enable bit
This bit reflects the state of CFGCON.FAEN.
1
= Flash access is enabled
0
= Flash access is disabled (i.e., processor accesses are blocked)
bit 0
DEVRST: Device Reset State bit
1
= Device Reset is active
0
= Device Reset is not active
Note 1:
This bit is available in PIC32MX1X0 and PIC32MX2X0 devices only.
Command
Value
Description
ETAP_ADDRESS
5’h0x08
Select Address register.
ETAP_DATA
5’h0x09
Select Data register.
ETAP_CONTROL
5’h0x0A
Select EJTAG Control register.
ETAP_EJTAGBOOT
5’h0x0C
Set EjtagBrk, ProbEn and ProbTrap to ‘1’ as Reset value.
ETAP_FASTDATA
5’h0x0E
Selects the Data and Fastdata registers.
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