Hardware Installation
Configuring the In-Circuit Simulator Board
M68ICS08RK In-Circuit Simulator — Rev. 1
User’s Manual
MOTOROLA
Hardware Installation
23
2.3.1 RKICS Limitations
This section describes system limitations of the RKICS.
2.3.1.1 Bus Frequency
The RKICS communicates using the MON08 features. This forces the
communication rate to f
bus
/256. Therefore, the bus frequencies are limited by
standard baud rates allowed by the host software. See
2.3.2.2 MCU Bus
Frequency Selection Header (W2)
for available options.
2.3.1.2 Port A0
Port A0 is used for communications, so it is unavailable for emulation.
2.3.1.3 MC68HC908RFRK2 RF Features
The RF features of an MC68HC908RFRK2 installed in the QFP socket are not
available. For RF emulation, use the optional flex cable (order number
M68CLB05A) and QFP target head adapter (order number
M68TA08RK2FA32).
2.3.1.4 Low Voltage Interrupt (LVI)
The LVI is disabled by default in monitor mode. It is enabled by a dummy write
to LVISR.
2.3.1.5 Internal Clock Generator (ICG)
The ICG is bypassed in monitor mode, so it is not available for use.
2.3.2 RKICS Configurable Jumper Headers
Five jumper headers on the RKICS are used to reconfigure the hardware
options.
Table 2-1
is a quick reference to these optional settings, while
subsections
2.3.2.1
through
2.3.2.4
describe jumper header configuration in
greater detail.
Содержание M68ICS08RK
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