UPD70433GD-16-5BB NEC [NEC], UPD70433GD-16-5BB Datasheet - Page 61
UPD70433GD-16-5BB
Manufacturer Part Number
UPD70433GD-16-5BB
Description
V55PITM 16-BIT MICROPROCESSOR
Manufacturer
NEC [NEC]
Datasheet
1.UPD70433GD-16-5BB.pdf
(166 pages)
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10. PWM UNIT
is ideal for the actuator control signal for motors, etc.
10.1 FEATURES
10.2 PWM UNIT CONFIGURATION
The PWM register is not affected by reset input.
The V55PI is provided with an 8-bit precision PWM (pulse width modulation) signal output function.
PWM output can be used as a digital-to-analog conversion output by connecting a low-pass filter, etc., externally. This
The PWM unit offers the following features:
The configuration of the PWM unit is shown in Figure 10-1.
The PWM unit consists of the PWM register (PWM) and PWM control register (PWMC), and an 8-bit counter.
The PWM register controls the pulse width (duty) in the PWM output mode. The 8–bit counter is set to 00H by reset input.
PWM output pulse active level selectable
Frequency: 25 MHz (with 12.5 MHz system clock )
Output pulse width (duty): 0, 1/256, ....., 255/256
PWM cycle: 40.96 s
PWM cycle: 32.00 s
Resolution: 160 ns (with 12.5 MHz system clock )
: 32 MHz (with 16 MHz system clock )
125 ns (with 16 MHz system clock )
PD70433
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