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PDF ATAM862-8 Data sheet ( Hoja de datos )
| Número de pieza | ATAM862-8 | |
| Descripción | Microcontroller | |
| Fabricantes | ATMEL Corporation | |
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Features
• Single Package Fully-integrated 4-bit Microcontroller with RF Transmitter
• Low Power Consumption in Sleep Mode (< 1 µA Typically)
• Flash Controller for Application Program Available
• Maximum Output Power (10 dBm) with Low Supply Current (9.5 mA Typically)
• 2.0 V to 4.0 V Operation Voltage for Single Li-cell Power Supply
• -40° C to +125° C Operation Temperature
• SSO24 Package
• About Seven External Components
Description
The ATAM862-8 is a single package dual-chip circuit. It combines a UHF ASK/FSK
transmitter with a 4-bit microcontroller. It supports highly integrated solutions in car
access and tire pressure monitoring applications, as well as manifold applications in
the industrial and consumer segment. It is available for the transmitting frequency
range of 868 MHz to 928 MHz with data rates up to 32 kbaud Manchester coded.
For further frequency ranges 310 MHz to 330 MHz and 429 MHz to 439 MHz separate
datasheets are available.
The device contains a flash microcontroller.
Microcontroller
with UHF
ASK/FSK
Transmitter
ATAM862-8
Figure 1. Application Diagram
ATAM862
Micro-
PLL-
controller
Transmitter
Keys
Antenna
UHF ASK/FSK
Receiver
Micro-
controller
Rev. 4590E–4BMCU–09/04
1 page  
ATAM862-8
Figure 3. Block Diagram
ATAM862
CLK
Power up /
down
f
4
f
32
PA_ENABLE
ANT2
PFD
CP
LF
ANT1
PA VCO
PLL
XTO
OSC2
OSC1
V DD
V SS
NRESET
BP10
BP13
BP20/NTE
BP21
BP22
BP23
Brown-out protect.
RESET
Voltage monitor
External input
VMI
Port 1
RC
Crystal
External
oscillators oscillators clock input
Clock management
EEPROM RAM
4 K x 8 bit 256 x 4 bit
4-bit CPU core
I/O bus
µC
UTCM
Timer 1
interval- and
watchdog timer
Timer 2
T2I
8/12-bit timer
with modulator
SSI
Serial interface
T2O
SD
SC
Timer 3
8-bit
timer / counter
with modulator
and demodulator
T3O
T3I
Data direction +
alternate function
Port 4
Data direction +
interrupt control
Port 5
Data direction +
alternate function
Port 6
EEPROM
2 x 32 x 16 bit
BP51
INT6
BP40 BP41 BP42 BP43 BP50
INT3 VMI T2O INT3 INT6
SC T2I
SD
BP52 BP53 BP60
INT1 INT1 T3O
BP63
T3I
ENABLE
VS
GND
XTAL
4590E–4BMCU–09/04
5
5 Page 
ATAM862-8
Figure 8. ESD Protection Circuit
VS
ANT1
CLK
PA_ENABLE
ANT2
XTAL
ENABLE
GND
Absolute Maximum Ratings: RF Part
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating
only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this
specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Parameters
Symbol
Min.
Max.
Unit
Supply voltage
VS
Power dissipation
Ptot
Junction temperature
Tj
Storage temperature
Tstg -55
Ambient temperature
Tamb
-55
Input voltage
VmaxPA_ENABLE
-0.3
Note: 1. If VS + 0.3 is higher than 3.7 V, the maximum voltage will be reduced to 3.7 V.
5
100
150
+125
+125
(VS + 0.3)(1)
V
mW
°C
°C
°C
V
Thermal Resistance
Parameters
Junction ambient
Symbol
RthJA
Value
135
Unit
K/W
Electrical Characteristics
VS = 2.0 V to 4.0 V, Tamb = -40°C to +125°C unless otherwise specified.
Typical values are given at VS = 3.0 V and Tamb = 25°C. All parameters are refered to GND (Pin 3).
Parameters
Test Conditions
Symbol
Min.
Typ.
Supply current
Power down,
VENABLE < 0.25 V, -40°C to 85°C
VPA_ENABLE < 0.25 V, -85°C to +125° C
VPA_ENABLE < 0.25 V, 25°C
(100% correlation tested)
IS_Off
<10
Supply current
Output power
Power up, PA off, VS = 3 V
VENABLE > 1.7 V, VPA_ENABLE < 0.25 V
Power up, VS = 3.0 V
VENABLE > 1.7 V, VPA_ENABLE > 1.7 V
VS = 3.0 V, Tamb = 25° C
f = 868.3 MHz, ZLoad = (166 + j226) Ω
IS
IS_Transmit
PRef
3.5
3.6
8.5
5.5
Max.
350
7
4.6
11
8
Unit
nA
µA
nA
mA
mA
dBm
4590E–4BMCU–09/04
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet ATAM862-8.PDF ] | |
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