参数资料
型号: PIC32MX575F256LT-80I/PF
厂商: Microchip Technology
文件页数: 24/64页
文件大小: 0K
描述: MCU 32BIT 256K FLASH 100TQFP
标准包装: 1,000
系列: PIC® 32MX
核心处理器: MIPS32? M4K?
芯体尺寸: 32-位
速度: 80MHz
连通性: CAN,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: 85
程序存储器容量: 256KB(256K x 8)
程序存储器类型: 闪存
RAM 容量: 64K 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: 100-TQFP
包装: 带卷 (TR)
PIC32MX
DS61145K-page 30
2007-2012 Microchip Technology Inc.
15.0
EXITING PROGRAMMING
MODE
Once a device has been properly programmed, the
device must be taken out of Programming mode to start
proper execution of its new program memory contents.
15.1
4-wire Interface
Exiting Test mode is done by removing VIH from MCLR,
as illustrated in Figure 15-1. The only requirement for
exit is that an interval, P16, should elapse between the
last clock and program signals before removing VIH.
FIGURE 15-1:
4-WIRE EXIT TEST MODE
The following steps are required to exit Test mode:
1.
SetMode (5’b11111).
2.
Assert MCLR.
3.
Remove power (if the device is powered).
15.2
2-wire Interface
Exiting Test mode is done by removing VIH from MCLR,
as illustrated in Figure 15-2. The only requirement for
exit is that an interval, P16, should elapse between the
last clock and program signals on PGECx and PGEDx
before removing VIH.
FIGURE 15-2:
2-WIRE EXIT TEST MODE
The following list provides the actual steps required to
exit test mode:
1.
SetMode (5’b11111).
2.
Assert MCLR.
3.
Issue a clock pulse on PGECx.
4.
Remove power (if the device is powered).
MCLR
VDD
TCK
TMS
TDI
TDO
‘1’
‘0’
P16
MCLR
VDD
PGEDx
PGECx
P16
P17
VIH
PGEDx = Input
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