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Discussion Groups | 68HC12 | Fw: 812A4 losses all interrupts

Join our technical discussions about Freescale Microcontrollers: M68HC12. (Freescale Semiconductor is a Subsidiary of Motorola).

Fw: 812A4 losses all interrupts - RTS development - Benny Rabin - Jun 6 9:42:00 2002

I suspect that you might have stuck overflow problem.
Is it possible???

Benny ---------- Forward Message ----------

To: <>
From: "mas" <>
Date: Thu, 6 Jun 2002 16:24:43 +0530
Subject: [68HC12] 812A4 losses all interrupts

Hello 812A4 users,

In our 812A4 MCU based wireless system, we are using SCI0,SCI1,TOF(Timer
Overflow) and RTI interrupts.Prescaler for TOF is kept 32, RTI comes every 4.096ms.
SCI0 interrupts comes most frequently and SCI1 interrupt in enabled but not used at
present. In above configuration, MCU losses the all interrupt handling during the run
time of our application.
I have checked the value of registers but they are not changed or garbased.
Please anybody can show the solution - why MCU losses the all interrupts.

Regards,
Mansukh Sheliya
Amtel security systems Inc. ---------- End of Forward Message ----------



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