What is the difference between an overrun and framing error

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Reference no: EM131531456

Question: 1. What happens when bits 5 and 6 of the ACIAs control register are loaded with 1,1?

2. The status register of the 6850 is read and is found to contain the following values. How are they interpreted?

a. $00 b. $01

c. $43 d. $02

3. What is the difference between an overrun and a framing error?

4. Write an exception handling routine for a 6850 ACIA to deal with interrupt-driven input. Each new character received is placed in a 4-Kbyte circular buffer. Your answer must include schemes to

(a) deal with buffer overflow and

(b) to deal with transmission errors

Reference no: EM131531456

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