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'16C64, IIC master mode'
1995\10\10@172248 by Robin Abbott

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I am currently trying to implement an IIC master mode routine
for the '64. I have a software routine which works fine, but
slowly. To speed things up I thought the hardware would help me
out, but according to the data sheet then in master mode the only
support is for start and stop bit interrupts to see if anyone else
is using the bus. Control of the bits is only through the
TRISC register, ignoring the port values, and presumably the
fast serial register.

Does anyone know if the only way to use this port is in software
for master mode ?

spam_OUTrobin.abbottTakeThisOuTspamdial.pipex.com

1995\10\10@201205 by BBoles

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    Yes, unfortunately SW is the only way to implement master mode on the
    '64.  However, we are working on several devices that will have HW
    master mode support that will be out soon.

    Since you are here, would you mind replying to a quick customer
    survey?
    1. Do you need 10-bit address mode?
    2. Do you need fast (400KHz) mode?
    3. What is your application for IIC?

    Thanks, Brian Boles.                 .....bbolesKILLspamspam@spam@microchip.com


______________________________ Reply Separator _________________________________
Subject: 16C64, IIC master mode
Author:  Robin Abbott <fs34spamKILLspamDIAL.PIPEX.COM> at Internet_Exchange
Date:    10/10/95 6:27 PM


I am currently trying to implement an IIC master mode routine
for the '64. I have a software routine which works fine, but
slowly. To speed things up I thought the hardware would help me
out, but according to the data sheet then in master mode the only
support is for start and stop bit interrupts to see if anyone else
is using the bus. Control of the bits is only through the
TRISC register, ignoring the port values, and presumably the
fast serial register.

Does anyone know if the only way to use this port is in software
for master mode ?

.....robin.abbottKILLspamspam.....dial.pipex.com

1995\10\10@214336 by Jim Scorse

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>Since you are here, would you mind replying to a quick customer
>survey?
>1. Do you need 10-bit address mode?
  yes

>2. Do you need fast (400KHz) mode?
  yes

>3. What is you application
   EEPROM only

Comment:  Master mode is useful for 18 pin chips too!

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