W79E225A Datasheet, PDF (181/200 Pages) Winbond – 8-bit Microcontroller

Preliminary W79E225A/227A Data Sheet
B7: Select clock frequency.
If clock frequency is over 24MHz, then set this bit is H. If clock frequency is less than 24MHz, then
clear this bit.
23.2 Config1
BITS
NAME
Bit 0 PWMOE
Bit 1 PWMEE
OPOL
Bit 2
Bit 3 EPOL
Bit 4-5 -
Bit 6 PWM6E
Bit 7 PWM7E
FUNCTION
PWM Odd Channel 1, 3 and 5 Enable.
1: Disable (default).
0: Enable odd PWM outputs to corresponding pins.
PWM Even Channel 0, 2 and 4 Enable.
1: Disable (default)
0: Enable odd PWM outputs to corresponding pins.
Define the polarity of PWM output after CPU reset, OPOL controls
odd PWM outputs.
1: Initial output high
0: Initial output low
Define the polarity of PWM output after CPU reset, EPOL control even
PWM outputs.
1: Initial output high
0: Initial output low
Reserved.
PWM Channel 6 Output Enable.
1: Disable (default).
0: Enable PWM6 output to corresponding pin.
PWM Channel 7 Output Enable.
1: Disable (default).
0: Enable PWM7 output to corresponding pin.
Table 23-2: Config 1 Option Bits
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Publication Release Date: December 14, 2007
Revision A2.0