ATA5811-PLQW80 Atmel, ATA5811-PLQW80 Datasheet - Page 41
ATA5811-PLQW80
Manufacturer Part Number
ATA5811-PLQW80
Description
RF Transceiver RF Data Control Transceiver
Manufacturer
Atmel
Datasheet
1.ATA5811-PLHC.pdf
(92 pages)
Specifications of ATA5811-PLQW80
Wireless Frequency
226 KHz
Interface Type
4-Wire SPI
Noise Figure
7 dB
Output Power
10 dBm
Operating Supply Voltage
2.4 V to 5.25 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Package / Case
QFN-48
Maximum Data Rate
20 Kbps
Minimum Operating Temperature
- 40 C
Modulation
ASK, FSK
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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9.4
Figure 9-2.
4689F–RKE–08/06
Pin Tn
(Status register)
DVCC, AVCC
Timing Pin Tn, Status Bit STn
N_RESET
VSOUT
CLK
STn
IRQ
Tn
To switch the transceiver from OFF to Idle mode, pin Tn must set to 0 (maximum 0.2
at least T
N_RESET to low and switches on DVCC, AVCC and the power supply for external devices
VSOUT.
If V
sets the status bit STn to 1 and an interrupt is issued (T
After the voltage on pin VSOUT exceeds 2.3V (typically) and the start-up time of the XTO is
elapsed the output clock on pin CLK is available. Because the enabling of pin CLK is asynchro-
nous the first clock cycle may be incomplete. N_RESET is set to high if V
(typically) and the XTO is settled.
1.5V (typ)
Mode
OFF
V
DVCC
Thres_2
exceeds 1.5V (typically) and the XTO is settled, the digital control logic is active and
= 2.38V (typ)
Tn_IRQ
T
Mode
IDLE
Tn_IRQ
(see
Figure
V
Thres_1
9-2). The transceiver recognize the negative edge, sets pin
= 2.3V (typ)
Tn_IRQ
ATA5811/ATA5812
).
VSOUT
exceeds 2.38V
V
VS2
) for
41
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