ATA5811-PLQX Atmel, ATA5811-PLQX Datasheet - Page 42
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ATA5811-PLQX
Manufacturer Part Number
ATA5811-PLQX
Description
Manufacturer
Atmel
Datasheet
1.ATA5811-PLQX.pdf
(90 pages)
Specifications of ATA5811-PLQX
Operating Temperature (min)
-40C
Operating Temperature (max)
105C
Operating Temperature Classification
Industrial
Product Depth (mm)
7mm
Product Height (mm)
0.9mm
Product Length (mm)
7mm
Lead Free Status / Rohs Status
Compliant
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Pin PWR_ON
Figure 30. Timing Pin PWR_ON, Status Bit Power_On
42
(Status Register)
ATA5811/ATA5812 [Preliminary]
DVCC, AVCC
N_RESET
PWR_ON
Power_On
VSOUT
CLK
IRQ
1.5 V (typ)
Mode
OFF
V
Thres_2
To switch the transceiver from OFF to Idle mode, pin PWR_ON must set to 1 (minimum
0.8
edge, sets pin N_RESET to low and switches on DVCC, AVCC and the power supply for
external devices VSOUT.
If V
and sets the status bit Power_On to 1 and an interrupt is issued (T
After the voltage on pin VSOUT exceeds 2.3 V (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 asynchronous the first clock cycle may be incomplete. N_RESET is set to high if
V
If the transceiver is in any active mode (Idle, AUX, RX, RX_Polling, TX), a positive edge
on pin PWR_ON sets Power_On to 1 (after T
Power_On 0
on pin PWR_ON no interrupt is issued. Power_On and the interrupt is deleted after
reading the status register.
During Power_On = 1, the bits VSOUT_EN and CLK_ON in control register 3 are set
to 1.
Note:
VSOUT
= 2.38 V (typ)
DVCC
T
T
PWR_ON_IRQ_1
PWR_ON
V
IDLE
Mode
VS2
exceeds 2.38 V (typically) and the XTO is settled.
It is not possible to set the transceiver to OFF mode by setting pin PWR_ON to 0. If pin
PWR_ON is not used, it must be connected to GND.
exceeds 1.5 V (typically) and the XTO is settled, the digital control logic is active
) for at least T
> T
PWR_ON_IRQ_1
V
1 generates an interrupt. If Power_On is still 1 during the positive edge
Thres_1
= 2.3 V (typ)
PWR_ON
(see Figure 30). The transceiver recognize the positive
T
PWR_ON
IDLE, AUX, RX, RX Polling, TX
T
PWR_ON_IRQ_2
> T
PWR_ON_IRQ_2
Mode
PWR_ON_IRQ_2
). The state transition
PWR_ON_IRQ_1
4689B–RKE–04/04
).
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