Information
© 2006 Microchip Technology Inc. DS80131E-page 3
MSSP MODULE
3. Module: MSSP (I
2
C Mode)
The table for the I
2
C Baud Rate Generator clock
rates is revised. Replace the I
2
C Clock Rate Table
with the following:
TABLE 1: I
2
C™ CLOCK RATE w/BRG
FOSC FCY FCY * 2 BRG Value
FSCL
(2 Rollovers of BRG)
40 MHz 10 MHz 20 MHz 18h 400 kHz
(1)
40 MHz 10 MHz 20 MHz 1Fh 312.5 kHz
40 MHz 10 MHz 20 MHz 63h 100 kHz
16 MHz 4 MHz 8 MHz 09h 400 kHz
(1)
16 MHz 4 MHz 8 MHz 0Ch 308 kHz
16 MHz 4 MHz 8 MHz 27h 100 kHz
4 MHz 1 MHz 2 MHz 02h 333 kHz
(1)
4 MHz 1 MHz 2 MHz 09h 100 kHz
4 MHz 1 MHz 2 MHz 00h 1 MHz
(1)
Note 1: The I
2
C™ interface does not conform to the 400 kHz I
2
C specification (which applies to rates greater than
100 kHz) in all details, but may be used with care where higher rates are required by the application.