参数资料
型号: MC68331CFC16B1
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 16 MHz, MICROCONTROLLER, PQFP132
封装: 0.950 X 0.950 INCH, 0.025 INCH PITCH, PLASTIC, QFP-132
文件页数: 80/90页
文件大小: 481K
代理商: MC68331CFC16B1
MC68331
MOTOROLA
MC68331TS/D
81
F1B — Force Logic Level One on PWMB
0 = Force logic level zero output on PWMB pin
1 = Force logic level one output on PWMB pin
PWMA/PWMB — PWM Control Registers A/B
$YFF926, $YFF927
These registers are associated with the pulse-width value of the PWM output on the corresponding
PWM pin. A value of $00 loaded into one of these registers results in a continuously low output on the
corresponding pin. A value of $80 results in a 50% duty cycle output. Maximum value ($FF) selects an
output that is high for 255/256 of the period.
PWMCNT — PWM Count Register
$YFF928
PWMCNT is the 16-bit free-running counter associated with the PWM functions of the GPT module.
PWMBUFA/B — PWM Buffer Registers A/B
$YFF92A, $YFF92B
These read-only registers contain values associated with the duty cycles of the corresponding PWM.
Reset state is $0000.
PRESCL — GPT Prescaler
$YFF92C
The 9-bit prescaler value can be read from bits [8:0] at this address. Bits [15:9] always read as zeros.
Reset state is $0000.
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