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PFS172 датащи(PDF) 44 Page - PADAUK Technology.

номер детали PFS172
подробное описание детали  8bit MTP Type MCU with 8-bit ADC
PDF  92 Pages
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производитель  PADAUK [PADAUK Technology.]
домашняя страница  http://www.padauk.com.tw/
Logo PADAUK - PADAUK Technology.

PFS172 датащи(HTML) 44 Page - PADAUK Technology.

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PFS172
8bit MTP MCU with 8-bit ADC
©Copyright 2020, PADAUK Technology Co. Ltd
Page 44 of 92
PDK-DS-PFS172-EN_V000-May 8, 2020
Example 1:
tm2c = 0b0001_1000, Y=8MHz
tm2b = 0b0111_1111, K=127
tm2s = 0b0_00_00000, S1=1, S2=0
 frequency of output = 8MHz ÷ [ 2 × (127+1) × 1 × (0+1) ] = 31.25KHz
Example 2:
tm2c = 0b0001_1000, Y=8MHz
tm2b = 0b0111_1111, K=127
tm2s[7:0] = 0b0_11_11111, S1=64 , S2 = 31
 frequency = 8MHz ÷ ( 2 × (127+1) × 64 × (31+1) ) =15.25Hz
Example 3:
tm2c = 0b0001_1000, Y=8MHz
tm2b = 0b0000_1111, K=15
tm2s = 0b0_00_00000, S1=1, S2=0
 frequency = 8MHz ÷ ( 2 × (15+1) × 1 × (0+1) ) = 250KHz
Example 4:
tm2c = 0b0001_1000, Y=8MHz
tm2b = 0b0000_0001, K=1
tm2s = 0b0_00_00000, S1=1, S2=0
 frequency = 8MHz ÷ ( 2 × (1+1) × 1 × (0+1) ) =2MHz
The sample program for using the Timer2 to generate periodical waveform from PA3 is shown as below:
Void
FPPA0 (void)
{
. ADJUST_IC
SYSCLK=IHRC/2, IHRC=16MHz, VDD=5V
…
tm2ct = 0x00;
tm2b = 0x7f;
tm2s = 0b0_00_00001;
//
8-bit PWM, pre-scalar = 1, scalar = 2
tm2c = 0b0001_10_0_0;
//
system clock, output=PA3, period mode
while(1)
{
nop;
}
}



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