ATA8742-PXQW Atmel, ATA8742-PXQW Datasheet - Page 87
ATA8742-PXQW
Manufacturer Part Number
ATA8742-PXQW
Description
MCU W/TRANSMITTER ASK/FSK 24QFN
Manufacturer
Atmel
Datasheet
1.ATA8742-PXQW.pdf
(238 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATA8742-PXQW
Manufacturer:
ATMEL
Quantity:
1 482
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19.4
19.4.1
19.4.2
19.4.3
19.4.4
19.4.5
19.4.6
9151A–INDCO–07/09
Register Description
MCUCR – MCU Control Register
PORTA – Port A Data Register
DDRA – Port A Data Direction Register
PINA – Port A Input Pins Address
PORTB – Port B Data Register
DDRB – Port B Data Direction Register
• Bits 7, 2– Res: Reserved Bits
These bits are reserved bits in the ATtiny24/44/84 and will always read as zero.
• Bit 6 – PUD: Pull-up Disable
When this bit is written to one, the pull-ups in the I/O ports are disabled even if the DDxn and
PORTxn Registers are configured to enable the pull-ups ({DDxn, PORTxn} = 0b01). See
figuring the Pin” on page 73
Bit
Read/Write
Initial Value
Bit
0x1B (0x3B)
Read/Write
Initial Value
Bit
0x1A (0x3A)
Read/Write
Initial Value
Bit
0x19 (0x39)
Read/Write
Initial Value
Bit
0x18 (0x38)
Read/Write
Initial Value
Bit
0x17 (0x37)
Read/Write
Initial Value
PORTA7
PINA7
DDA7
R/W
R/W
R/W
R
7
–
0
R
R
7
0
7
0
7
0
7
0
7
0
–
–
PORTA6
PINA6
DDA6
PUD
R/W
R/W
R/W
R/W
R
R
6
0
6
0
6
0
6
0
6
–
0
6
–
0
for more details about this feature.
PORTA5
PINA5
DDA5
R/W
R/W
R/W
N/A
R/W
R
R
5
0
5
0
5
0
SE
5
0
5
5
0
PORTA4
PINA4
DDA4
R/W
R/W
R/W
N/A
R
R
4
0
4
0
4
4
0
4
0
SM1
R/W
4
0
PORTB3
PORTA3
DDA3
PINA3
DDB3
R/W
R/W
R/W
R/W
R/W
N/A
3
0
3
0
3
0
3
0
3
SM0
R/W
3
0
PORTB2
PORTA2
PINA2
DDA2
DDB2
R/W
R/W
R/W
R/W
R/W
N/A
2
0
2
0
2
0
2
0
2
R
2
–
0
PORTB1
PORTA1
DDA1
PINA1
DDB1
R/W
R/W
R/W
R/W
R/W
ISC01
N/A
1
0
1
0
1
0
1
0
1
R
1
0
ATA8742
PORTB0
PORTA0
PINA0
DDB0
DDA0
ISC00
R/W
R/W
R/W
R/W
R/W
N/A
0
0
0
0
0
0
R
0
0
0
0
0
MCUCR
PORTB
PORTA
DDRB
DDRB
PINB
“Con-
87
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