ATA8742-PXQW Atmel, ATA8742-PXQW Datasheet - Page 14

• Manufacturer Part Number: ATA8742-PXQW
• Description: MCU W/TRANSMITTER ASK/FSK 24QFN
• Manufacturer: Atmel

Specifications of ATA8742-PXQW

• Frequency: 433MHz
• Applications: Home Automation, Remote Sensing, RKE
• Modulation Or Protocol: ASK, FSK
• Data Rate - Maximum: 32 kBit/s
• Power - Output: 7.5dBm
• Current - Transmitting: 9.8mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Memory Size: 4kB Flash, 256B EEPROM, 256B SRAM
• Voltage - Supply: 2 V ~ 4 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 24-VQFN Exposed Pad, 24-HVQFN, 24-SQFN, 24-DHVQFN
• Processor Series: ATA8x
• Core: AVR8
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 4 KB
• Data Ram Size: 256 B
• Interface Type: SPI, USI
• Maximum Clock Frequency: 8.1 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: ATASTK512-EK1-IND
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Lead Free Status / Rohs Status: Details

Table 8-1.
14
Component
Q1
C7
C8
R1
R2
R3
R4
ATA8742
9.843750 MHz
Bill of Material (Continued)
100 nF
100 k
100 k
1.8 k
10 pF
10 k
Figure 8-3.
Note:
13.56 MHz
VCC
100 nF
100 k
100 k
1.8 k
12 pF
10 k
Value
FSK Modulation is achieved by switching on and off an additional capacitor between the XTAL
load capacitor and GND. This is done using a MOS switch controlled by a microcontroller output.
C7
R3
Typical FSK Application ATA8742
R2
13.567187 MHz
C6
100 nF
100 k
100 k
1.8 k
12 pF
10 k
1
2
3
4
5
6
VDD
PB0/XTAL1
PB1/XTAL2
PB3/RESET
PB2
PA7
ADC7
R1
24
7
GRM188R71C /
Manufacturer Note
GRM1885C/
DSX530GK/
23
8
Murata
Murata
Type/
KDS
ATA874x
C5
22
9
VCC
21
10
This resistor can be resigned if the ASK
modulation is performed using PA5 (MISO).
20
11
C8
C2
PA5/MISO
Q1
PA4/SCK
L1
PA3/T0
L2
19
12
PA0
PA1
PA2
C9
18
17
16
15
14
13
C1
C3
VCC
T1
SW1
SW2
SW3
9151A–INDCO–07/09
C4