ATA5743P3-TGQY Atmel, ATA5743P3-TGQY Datasheet - Page 28

• Manufacturer Part Number: ATA5743P3-TGQY
• Description: IC RCVR ASK/FSK 300KHZ 20SOIC
• Manufacturer: Atmel

Specifications of ATA5743P3-TGQY

• Frequency: 300MHz ~ 450MHz
• Sensitivity: -110dBm
• Data Rate - Maximum: 10 kBaud
• Modulation Or Protocol: ASK, FSK
• Applications: RKE, Telemetering, Security Technology
• Current - Receiving: 7.5mA
• 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

Figure 6-24. Generation of the Power-on Reset
6.6.2
Figure 6-25. Timing of the Register Programming
28
IC_ACTIVE
Out1 (µC)
Data_out (DATA)
Serial bi-directional
data line
POR
Data_out (DATA)
V
ATA5743
S
Programming the Configuration Register
X
X
X
Receiving
mode
The RM implies the following characteristics:
By means of that mechanism the receiver cannot lose its register information without communi-
cating that condition via the reset marker RM.
• f
• If the receiver is set back to polling mode via pin DATA, RM cannot be cancelled by accident
misinterpreted by the connected microcontroller.
if t1 is applied according to the proposal in the section
Register” on page
RM
t1
is lower than the lowest feasible frequency of a data signal. By this means, RM cannot be
t
Rst
t2
t3
(Start bit)
28.
t4
Bit 1
(0)
t5
t7
t6
V
ThReset
Programming frame
(Register-
Bit 2
select)
(1)
(Poll8)
Bit 14
(0)
“Programming the Configuration
1/f
RM
(Stop bit)
Bit 15
(0)
t8
t9
Sleep
mode
T
Sleep
T
Start-up
mode
Start-up
4839B–RKE–08/05