SPAKMC331MFC20 查看數據表（PDF） - Motorola => Freescale

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SPAKMC331MFC20

highly-integrated 32-bit microcontroller, 16MHz

Motorola => Freescale 

Registers PWMA, PWMB, and PWMC are reset to $00 during reset. These registers

may be written or read at any time. PWMC is implemented as the lower byte of a 16-

bit register. The upper byte is the CFORC register. The buffer registers, PWMBUFA

and PWMBUFB, are read-only at all times and may be accessed as separate bytes or

as one 16-bit register.

Pins PWMA and PWMB can also be used for general-purpose output. The values of

the F1A and F1B bits in PWMC are driven out on the corresponding PWM pins when

normal PWM operation is disabled. When read, the F1A and F1B bits reflect the states

of the PWMA and PWMB pins.

7

MOTOROLA

7-18

GENERAL-PURPOSE TIMER

MC68331

USER’S MANUAL

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