dsPIC33EV64GM102-I/MM，RealICE和目标器件尚未准备好进行调试

五个板，电源是好的（两个4.3V USB电源为IO和1.8V+/-CULL）。编辑-RISC指出它是4.5-5.5V芯片，在USB电源上移除二极管。无故障，当它试图开始运行。MCLR电路是好的（标题在MCU，系列120，10K/0.1UF RC）。PGC和PGD是非常投篮和信号好。程序和验证。20MHz XTAL是第一个嫌疑犯，所以我选择了FRC。所以，如果我有好的电源，我可以编程，配置比特选择正确的PIX-PrimaMac配置模块= PGD1//ICD通信信道选择位（在PGEC1和PGED1上通信）内部振荡器γ-PrAPMA配置FFNC＝FRC//初始振荡器源选择位（内部快速RC（FRC））配置IESO＝OF//双速振荡器启动位（带有用户选择的振荡器源的启动设备）：PrimaMac配置，POSCMD＝无/ /主振荡器模式选择位（主振荡器禁用），γ-PracMA配置OSCIOFNC＝OF//OSC2 PIN I/O功能使能位（OSC2为时钟输出）一个板在Goto 0x200复位向量上假装停止。该板具有一个CAN XCVR、一个RS485 XCVR、一个FTDI FT230X和一对外部ADC，但是老实地说，除了MCLR、VCAP、VDD、PGC和PGD之外的每个其他引脚都可以被短路到地上，并且它应该运行直到它改变PIN ST为止。吃饭！



      以下为原文

    Five boards, power is good (both 4.3V USB power for IO and the 1.8V+/- core.
[edit - RISC points out it's a 4.5-5.5V chip, removed diode on USB power!]

No glitch when it attempts to start running.
MCLR circuit is good (header right at MCU, series 120, 10K/0.1uF RC).
PGC and PGD are very shot and signals OK.  
Programs and verifies.
20MHz XTAL was the first suspect, so I selected FRC.  

So, if I have power good, I can program, config bits are chosing the right pins
#pragma config ICS = PGD1 // ICD Communication Channel Select Bits (Communicate on PGEC1 and PGED1)

Internal oscillator
#pragma config FNOSC = FRC // Initial oscillator Source Selection Bits (Internal Fast RC (FRC))
#pragma config IESO = OFF // Two Speed Oscillator Start-Up Bit (Start up device with user selected oscillator source)
#pragma config POSCMD = NONE // Primary Oscillator Mode Select Bits (Primary Oscillator disabled)
#pragma config OSCIOFNC = OFF // OSC2 Pin I/O Function Enable Bit (OSC2 is clock output)

The one board that pretends to start halts on the goto 0x200 reset vector.

The board has a CAN XCVR, an RS485 XCVR, an FTDI FT230X, and a couple external ADC's, but honestly every other pin besides MCLR, VCAP, VDD, PGC, and PGD could be shorted to ground and it should run at lest until it changes PIN states!