Hardware
4.2.9
Hardware for Programming and Debugging
The dsPICDEM? MCHV Development System, with its built-in SKDE debugger/pro-
grammer, provides an all-in-one solution for debugging and programming applications
using MPLAB IDE. The Starter Kit’s debugging/programming operations are controlled
by a PIC18F67J50 MCU running at 48 MHz. The PIC18F67J50’s built-in USB engine
provides the communications interface between the Starter Kit and the host PC.
Power to the Starter Kit is provided via the isolated 3.3V rail. Proper Starter Kit main
system power is indicated by the green LED D19. The PIC18F67J50 MCU accom-
plishes debugging or programming of the target dsPIC33F by controlling the target’s
MCLR, PGC1/EMUC1, and PGD1/EMUD1 signals. A Microchip 25LC010A serial
EEPROM is used to store the Starter Kit’s serial number and debug control information.
Isolation for the MCLR, PGC1/EMUC1, and PGD1/EMUD1 signals is provided by the
digital isolators U22, U23, U1 and U3.
4.2.10
Board Connectors
Figure 4-1 provides the locations of the connectors. The Power Module Stage Board
connectors are listed in Table 4-6.
FIGURE 4-1:
17
POWER MODULE BOARD CONNECTORS
3
5
2
4
1
16
15
6
7
8
9
12
11
13
14
10
? 2009 Microchip Technology Inc.
DS70605A-page 41
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