參數(shù)資料
型號: DRM045
英文描述: Using the ASB520 MC68HC908QT2 Based Infrared Remote Control Reference PC Board Designer Reference Manual
中文描述: 使用ASB520 MC68HC908QT2的紅外遙控器參考PC板設(shè)計參考手冊
文件頁數(shù): 24/80頁
文件大?。?/td> 1025K
代理商: DRM045
Hardware
Designer Reference Manual
DRM040 — Rev 0
24
Hardware
MOTOROLA
2.10 MON08 interface
A MON08 interface has been provided to ease software development
and in-circuit programming of the MCU. Note that a necessary addition
to the MON08 interface has been made by routing the 4,9152 MHz clock
signal from the LJ12 ICS to enable programming of the MCU. For this
purpose jumper J1 has to be moved to bridge pin 1 with pin 2. Also
power to the MCU has to be applied from the ICS by moving the bridge
on jumper J3 to short pin 1 with pin 2. Under normal metering operation
jumpers J1 and J3’s bridges should short pins 2 and 3.
Calibration mode is enabled when the MCU detects a high logic level on
PTA0 coming out of reset. For this purpose a shorting bridge between
pins 10 and 8 on the MON08 header J2 has to be installed.
NOTE:
The ICS clock signal must be routed to the MON08 connector to allow
programming. This is implemented by routing a wire from the clock
signal of jumper J2 pin 2, to the MON08 header J12, pin 7.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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