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Número de pieza | ATAR862-8 | |
Descripción | Microcontroller | |
Fabricantes | ATMEL Corporation | |
Logotipo | ||
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Features
• Single Package Fully-integrated ROM Mask 4-bit Microcontroller with RF Transmitter
• Low Power Consumption in Sleep Mode (< 1 µA Typically)
• 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
• Flash Controller for Application Program Available
Description
The ATAR862-8 is a single package triple-chip circuit. It combines a UHF ASK/FSK
transmitter with a 4-bit microcontroller and a 512-bit EEPROM. It supports highly inte-
grated 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
frequency range of 429 MHz to 439 MHz with data rates up to 32 kbaud.
For further frequency ranges such as 310 MHz to 330 MHz and 868 MHz to 928 MHz
separate data sheets are available.
The device contains a ROM mask version microcontroller and an additional data
EEPROM.
Microcontroller
with UHF
ASK/FSK
Transmitter
ATAR862-8
Preliminary
Figure 1. Application Diagram
ATAR862-8
Micro-
PLL-
controller
Transmitter
Keys
Antenna
UHF ASK/FSK
Receiver
Micro-
controller
Rev. 4589B–4BMCU–02/03
1
1 page ATAR862-8
Figure 3. Block Diagram
ATAR862-8
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
ROM
4 K x 8 bit
RAM
256 x 4 bit
4-bit CPU core
I/O bus
UTCM
Timer 1
µC
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
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
4589B–4BMCU–02/03
5
5 Page ATAR862-8
Figure 8. ESD Protection Circuit
VS
CLK
PA_ENABLE
ANT1
ANT2
XTAL
ENABLE
GND
Absolute Maximum Ratings
Parameters
Supply voltage
Power dissipation
Junction temperature
Storage temperature
Ambient temperature
Symbol
VS
Ptot
Tj
TStg
Tamb
Min.
-55
-55
Max.
5
100
150
+125
+125
Thermal Resistance
Parameters
Junction ambient
Symbol
RthJA
Value
170
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 referred to GND (Pin 7).
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) W
IS
IS_Transmit
PRef
3.5
3.7
8.5
5.5
Unit
V
mW
°C
°C
°C
Unit
K/W
Max.
350
7
Unit
nA
µA
nA
4.8 mA
11 mA
8 dBm
4589B–4BMCU–02/03
11
11 Page |
Páginas | Total 30 Páginas | |
PDF Descargar | [ Datasheet ATAR862-8.PDF ] |
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