ATAM862P-TNQY4D Atmel, ATAM862P-TNQY4D Datasheet - Page 65
ATAM862P-TNQY4D
Manufacturer Part Number
ATAM862P-TNQY4D
Description
IC MCU FLASH 4K TX 433MHZ 24SSOP
Manufacturer
Atmel
Datasheet
1.ATAM862P-TNQY4D.pdf
(110 pages)
Specifications of ATAM862P-TNQY4D
Applications
UHF ASK/FSK
Core Processor
MARC4
Program Memory Type
FLASH (4 kB)
Controller Series
MARC4 4-Bit
Ram Size
256 x 4
Interface
SSI
Number Of I /o
11
Voltage - Supply
1.8 V ~ 4 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
24-SSOP
Processor Series
ATAM862x
Core
MARC4
Data Bus Width
4 bit
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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23.3.6
23.3.7
4551G–4BMCU–07/07
Timer 3 – Mode 11: Biphase Demodulation
Timer 3 – Mode 12: Timer/Counter with External Capture Mode (T3I)
In the Biphase demodulation mode, the timer operates like in Manchester demodulation mode.
The difference is that the bits are decoded via a toggle flip-flop. This flip-flop samples the edge in
the middle of the bitframe and the compare register 1 match event shifts the toggle flip-flop out-
put into shift register (see
Figure 23-11. Biphase Demodulation
The counter is driven by an internal clock source and an edge at the external input T3I loads the
counter value into the capture register. The edge can be selected with the programmable edge
detector of the timer input stage. This mode can be used for signal and pulse measurements.
Figure 23-12. External Capture Mode
Counter 3
CM31=SCI
SR-DATA
Counter 3
Register
Timer 3
T3CP-
Q1=SI
mode
T3R
T3EX
Reset
T3I
T3I
0
0 1 2 3 4 5 6 7 8 9 1011
Synchronize
0
“Combination Mode 9: Biphase Demodulation” on page
Capture value = X
0
BIT 0
0
1
121314 16
BIT 1
15
1
1
171819
Biphase demodulation mode
BIT 2
20
1
0
21 23
22
Capture value = 17
BIT 3
242526
0
1
27
BIT 4
28 30
1
29
0
313233
BIT 5
0
ATAM862-4
1
34
35 37
36
BIT 6
value = 35
1
Capture
90).
383940
0
0
41
65
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