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T48C862x-Rf-TNQ 数据表(PDF) 49 Page - ATMEL Corporation

部件名 T48C862x-Rf-TNQ
功能描述  Microcontroller with UHF ASK/FSK Transmitter
PDF  107 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

T48C862x-Rf-TNQ 数据表(HTML) 49 Page - ATMEL Corporation

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49
T48C862-R4 [Preliminary]
4551C–4BMCU–01/04
Timer 2 Output Mode 4
Biphase Modulator:
Timer 2 modulates the SSI internal data output (SO) to Biphase
code
Figure 46.
Biphase Modulation
Timer 2 Output Mode 5
Manchester Modulator:
Timer 2 modulates the SSI internal data output (SO) to
Manchester code
Figure 47.
Manchester Modulation
Timer 2 Output Mode 7
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.
PWM Mode:
Pulse-width modulation output on Timer 2 output pin (T2O)
Figure 48.
PWM Modulation
TOG2
SC
SO
T2O
00
0
0
00
11
010
1
11
1
1
8-bit SR-Data
Bit 7
Bit 0
Data: 00110101
TOG2
SC
SO
T2O
00
0
0
0
11
01
01
11
1
1
8-bit SR-Data
Bit 7
Bit 0
0
Bit 7
Bit 0
Data: 00110101
0
0
50
255
100
0
255 0
150
255 0 50
255 0
100
T2R
Input clock
Counter 2/2
Counter 2/2
OVF2
CM2
INT4
T2O
load the next
compare value
T2CO2=150
load
load
T1
T2
T3
T1
T2
TT
T
T
T



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