參數(shù)資料
型號： MC68HC08MR4
廠商： Motorola, Inc.
英文描述： In-Circuit Simulator
中文描述： 在電路模擬器
文件頁數(shù)： 22/100頁
文件大?。?/td> 506K
代理商： MC68HC08MR4
User
’
s Manual
M68ICS08MR In-Circuit Simulator
22
Preparation and Installation
MOTOROLA
Preparation and Installation
2.2.2.3 I/O Baud Rate Selection Jumper (W3) — MR16/32 Only
There are two sockets for clocks on the MRICS board, XY1 and XY2. Socket
XY1 is wired to drive the MR16/32 IC sockets and target connectors, and the
the clock is available for output on J10. Using the 4.9152-MHz clock as Y1
times the MR16/32 to communicate at 4800 or 9600 baud.
Use jumper W3 (
Figure 2-3
) to define the baud rate of the MR16/32. Install the
jumper in jumper position 1-2 (labeled 9600 baud) to communicate at 9600
baud if a 4.9152-MHz clock is installed as Y1. Place the jumper in the 2-3
position (labeled 4800 baud) to communicate at 4800 baud. If Y1 is not 4.9152
MHz, the baud rate will be scaled proportionally.
Figure 2-3. MR16/32 I/O Baud Rate Selection Jumper (W3)
2.2.2.4 Serial Communication Selection Jumper (W4)
Install the jumper on jumper header W4 (
Figure 2-4
) pins 1 and 2 (factory
default) when an MC68HC908MR16/32 MCU is installed. Install the jumper on
pins 2 and 3 when an MC68HC(9)08MR4/8 MCU is installed.
Figure 2-4. MCU Emulation Selection Jumper (W4)
3
2
1
W3
1
2
3
W4
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