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Introduction
5-3
Code Development Tools
Figure 5–1. 10-Pin IDC Connector (top view looking at the board)
IDC2X5M
RESET
VPP
SCANCLK
PGMPULSE
SYNC
GND
N/C
SCANIN
VDD
SCANOUT
1
3
5
7
9
2
4
6
8
10
PINOUT DETAILS
10-PIN HEADER
(3M PART# 2510–6002UB)
LAYOUT DETAILS
0.1
I
0.800
I
0.1
I
IDC2X5M
HOLE DIA 0.038
I
PAD DIA 0.060
I
0.35
I
It is also recommended that all production boards provide a method for
connecting the MSP50C6xx code development tool to the scanport. This
allows the development tool to facilitate any post-production debugging. There
are several options for providing access to the scanport. If the production
board has enough room, layout the footprint of the recommended connector
and connect it to the scanport. The connector could be added as need for
debugging. If the production board does not have enough room for the
connector, put test points for the scanport signals and a connector can be hand
wired to these test points. If the production boards use chip-on-board (COB),
be sure to bond-out the scanport signals. It would also be helpful to layout the
board so that a 1-k
Ω
resistor could be added in series with the reset circuit, as
described in requirement (3) for the preproduction board. This resistor would
not be added during production, and would be shorted with a jumper or etch
on a surface layer of the board. The jumper could be removed or etch could
be cut, and the resistor added when needed.
TI has two evaluation systems that may be used to develop code. The
EVA50C605 and the SPEECH–EVM (requires the appropriate personality
card) are basic target boards. The EVA50C605 has the minimum circuits
required for supporting code development. It has a socket for the MSP50P614,
a socket for a 4M bit EPROM, a reset circuit, test points for power, DAC, and
I/O ports, the external oscillator and PLL filter components, and the scanport
connector. The SPEECH–EVM is a generic board that supports several TI
speech devices by accepting different personality cards. This board has the
same features as the EVA50C605, plus a battery holder, two different speaker
Summary of Contents for MSP50C6xx
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