ATA3742P3-TGQY Atmel, ATA3742P3-TGQY Datasheet - Page 24

• Manufacturer Part Number: ATA3742P3-TGQY
• Description: IC UHF ASK/FSK RECEIVER 20SOIC
• Manufacturer: Atmel

Specifications of ATA3742P3-TGQY

• Frequency: 310MHz ~ 440MHz
• Sensitivity: -108dBm
• Data Rate - Maximum: 10 kBaud
• Modulation Or Protocol: ASK, FSK
• Applications: RKE, TPM, Security Systems
• Current - Receiving: 7mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 20-SOIC (0.300", 7.50mm Width)
• Operating Frequency (max): 450000kHz
• Operating Temperature (min): -40C
• Operating Temperature (max): 105C
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -
• Lead Free Status / Rohs Status: Compliant
• Other names: ATA3742P3-TGQYTR

Figure 5-13. Generation of the Power-on Reset
Figure 5-14. Timing of the Register Programming
5.4.2
24
Serial bi-directional
(microcontroller)
DATA (ATA3742)
data line
ATA3742
Programming the Configuration Register
DATA (ATA3742)
Out1
POR
V
Receiving
S
mode
X
X
The configuration registers are programmed serially via the bi-directional data line according to
Figure 5-14
Figure 5-15. One-wire Connection to a Microcontroller
X
t
1
and
t
Rst
t
2
(ATA3742)
Figure
DATA
Internal pull-up
t
3
(Start bit)
ATA3742
resistor
Bit 1
("0")
t
5-15.
4
t
t
t
5
6
7
V
Threset
(Register
select)
Programming frame
Bit 2
("1")
DATA
Bi-directional
data line
I/O
(Poll 8)
Bit 13
("0")
1/f
Microcontroller
RM
Out1 (microcontroller)
(Poll 8R)
Bit 14
("1")
t
8
t
9
T
Sleep
4900B–RKE–11/07
Startup
mode