ATAR092 datasheet(39/100 Pages) ATMEL

tên linh kiện	ATAR092

Giải thích chi tiết về linh kiện	Low-current Microcontroller for Wireless Communication

PDF	100 Pages

Scroll/Zoom	100%

nhà sản xuất	ATMEL [ATMEL Corporation]

Trang chủ	http://www.atmel.com

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39 / 100 page

ATAR092/ATAR892

4535C–4BMCU–02/04

Timer 2 Output Mode 5

Manchester Modulator: Timer 2 Modulates the SSI internal data output (SO) to

Manchester code

Figure 41. Manchester Modulation

Timer 2 Output Mode 7

PWM Mode: Pulse-width modulation output on Timer 2 output pin (T2O)

In this mode the timer overflow defines the period and the compare register defines the

duty cycle. During one period only the first compare match occurrence is used to toggle

the timer output flip-flop, until the overflow all further compare match are ignored. This

avoids the situation that changing the compare register causes the occurrence of sev-

eral compare match during one period. The resolution at the pulse-width modulation

Timer 2 mode 1 is 12-bit and all other Timer 2 modes are 8-bit.

Figure 42. PWM Modulation

TOG2

T2O

8-bit SR Data

Bit 7

Bit 0

Bit 7

Bit 0

Data: 00110101

255

100

255 0

150

255 0 50

255 0

100

T2R

Input clock

Counter 2/2

OVF2

CM2

INT4

T2O

load the next

compare value

T2CO2 = 150

load

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