參數(shù)資料
型號(hào): 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(yè)數(shù): 20/100頁(yè)
文件大?。?/td> 506K
代理商: MC68HC08MR4
User
s Manual
M68ICS08MR In-Circuit Simulator
20
Preparation and Installation
MOTOROLA
Preparation and Installation
Table 2-1. MRICS Jumper Header Description
Jumper Header
Type
Description
W1
MR16/32
Target clock
selection
Jumper on pins 1 and 2 (factory default)
Connects the
MC68HC908MR16/32 clock to the target system via connectors J1 and
J2. This position is labeled I.
Jumper on pins 2 and 3
Disconnects the MC68HC908MR16/32 clock
from the target system.
W2
Target
reset
selection
Jumper on pins 1 and 2
The MC68HC908MR MCU RESET signal
initiates resets to the target system. This position is labeled I.
Jumper on pins 2 and 3 (factory default)
The target-system RESET
signal initiates resets to the MRICS on-board MC68HC908MR MCU.
This position is labeled O.
W3
I/O
Baud rate
selection:
MR16/32 only
Jumper on pins 1 and 2 (factory default)
MR16/32 I/O baud rate is set to
4800. This position is labeled 4800.
Jumper on pins 2 and 3
MR16/32 I/O baud rate is set to 9600. This
position is labeled 9600.
This jumper header does not affect the MR4/8, which operates at
9600 baud only
W4
Serial
communication
selection
Jumper on pins 1 and 2 (factory default)
MC68HC908MR16/32 MCU is
installed. This position is labeled MR32/16.
Jumper on pins 2 and 3
MC68HC(9)08MR4/8 MCU is installed. This
position is labeled MR8/4.
W5
XTAL
clock
enable
Jumper on pins 1 and 2
MRICS XTAL clocks are disabled. Jumper
header W5 has a cut-trace short between pins 1 and 2 so no jumper is
required unless the cut-trace short is removed. This position is labeled O.
Jumper on pins 2 and 3 (factory default)
MRICS XTAL clocks are
enabled: 4.9152 MHz for the MC68HC908MR16/32 MCUs and
4.000 MHz for the MC68HC(9)08MR4/8 MCUs. This position is labeled I.
W6
MR4/8
target
clock
Jumper on pins 1 and 2 (factory default)
Connects the
MC68HC(9)08MR4/8 clock to the target system via connectors J6 and
J11. This position is labeled I.
Jumper on pins 2 and 3
Disconnects the MC68HC(9)08MR4/8 clock from
the target system. This position is labeled O.
W7
MRICS
reset
clock
Jumper on pins 1 and 2 (factory default)
Reset clock set at 4.9152 MHz.
Use this setting when using the MC68HC908MR16/32 MCUs. This
position is labeled MR32/16.
Jumper on pins 2 and 3
Reset clock set at 4.0000 MHz. Use this setting
when using the MC68HC(9)08MR4/8 MCUs. This position is labeled
MR8/4.
1
2
3
1
2
3
3
2
1
1
2
3
3
2
1
1
2
3
1
2
3
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