ATAM862P-TNQY4D Atmel, ATAM862P-TNQY4D Datasheet - Page 8
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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8
Application Circuit
ATAM862-4
Figure 7-2.
For the supply-voltage blocking capacitor C
7-3 on page 9
power amplifier where C
for C
the possibility to realize the Z
C
nance loop that suppresses the 1
Normally the best suppression is achieved when C
ANT1 and ANT2.
The loop antenna should not exceed a width of 1.5 mm, otherwise the Q-factor of the loop
antenna is too high.
L
load resonance frequency of the crystal. Normally, a value of 12 pF results for a 15 pF
load-capacitance crystal.
1
1
(≈50 nH to 100 nH) can be printed on PCB. C
forms together with the pins of PLL transmitter block and the PCB board wires a series reso-
2
two capacitors in series should be used to achieve a better tolerance value and to have
and
Output Power Measurement
Figure 7-4 on page
ANT1
ANT2
1
typically is 8.2 pF/NP0 and C
~
Load,opt
Z
Lopt
st
by using standard valued capacitors.
harmonic, thus, the position of C
C
C
L
V
2
10). C
1
1
S
= 2.2p
= 33n
= 1n
3
, a value of 68 nF/X7R is recommended (see
1
and C
4
should be selected so the XTO runs on the
Z = 50
1
2
is placed as close as possible to the pins
are used to match the loop antenna to the
2
is 6 pF/NP0 (10 pF + 15 pF in series);
Power
meter
50
R in
1
on the PCB is important.
4551G–4BMCU–07/07
Figure
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