ATA8742-PXQW Atmel, ATA8742-PXQW Datasheet - Page 4

• 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

2. Pin Configuration
Figure 2-1.
Table 2-1.
4
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
ATA8742
Pinning QFN24 5 mm x 5 mm
Pin Description
PA_ENABLE
PB3/RESET
PA6 / MOSI
PA5/MISO
GND_RF
PA4/SCK
ENABLE
Symbol
PA3/T0
VS_RF
ANT2
ANT1
XTAL
GND
GND
GND
GND
VCC
PB0
PB1
PB2
CLK
PA7
PA2
PA1
PA0
Function
Microcontroller supply voltage
Port B is a 4-bit bi-directional I/O port with internal pull-up resistor
Port B is a 4-bit bi-directional I/O port with internal pull-up resistor
Port B is a 4-bit bi-directional I/O port with internal pull-up resistor/reset input
Port B is a 4-bit bi-directional I/O port with internal pull-up resistor
Port A is a 4-bit bi-directional I/O port with internal pull-up resistor
Port A is a 4-bit bi-directional I/O port with internal pull-up resistor
Clock output signal for microcontroller. The clock output frequency is set by the crystal to fXTAL/4
Switches on power amplifier. Used for ASK modulation
Emitter of antenna output stage
Open collector antenna output
Ground
Port A is a 4-bit bi-directional I/O port with internal pull-up resistor
Port A is a 4-bit bi-directional I/O port with internal pull-up resistor
Port A is a 4-bit bi-directional I/O port with internal pull-up resistor
Port A is a 4-bit bi-directional I/O port with internal pull-up resistor
Port A is a 4-bit bi-directional I/O port with internal pull-up resistor
Port A is a 4-bit bi-directional I/O port with internal pull-up resistor
Microcontroller ground
Connection for crystal
Transmitter supply voltage
Transmitter ground
Enable input
Ground
Ground/backplane (exposed die pad)
PB3/RESET
VCC
PB0
PB1
PB2
PA7
1
2
3
4
5
6
24
7
23
8
22
9
21
10
20
11
19
12
18
17
16
15
14
13
PA0
PA1
PA2
PA3/T0
PA4/USCK
PA5/MISO
9151A–INDCO–07/09