AT86RF231 Atmel Corporation, AT86RF231 Datasheet - Page 38
AT86RF231
Manufacturer Part Number
AT86RF231
Description
Manufacturer
Atmel Corporation
Datasheet
1.AT86RF231.pdf
(198 pages)
Specifications of AT86RF231
Max. Operating Frequency
0 MHz
Crypto Engine
AES
Operating Voltage (vcc)
1.8 to 3.6
Frequency Band
2.4 GHz
Max Data Rate (mb/s)
2
Antenna Diversity
Yes
External Pa Control
Yes
Power Output (dbm)
3
Receiver Sensitivity (dbm)
-101
Receive Current Consumption (ma)
13.2
Transmit Current Consumption (ma)
14.4
Link Budget (dbm)
104
Available stocks
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7.1.3
8111C–MCU Wireless–09/09
Interrupt Handling
A reset forces the radio transceiver into TRX_OFF state. If the device is still in the P_ON state it
remains in the P_ON state though.
A reset is initiated with pin /RST = L and the state is left after setting /RST = H. The reset pulse
should have a minimum length as specified in
tics” on page 157
During reset the microcontroller has to set the radio transceiver control pins SLP_TR and /SEL
to their default values.
An overview about the register reset values is provided in
All interrupts provided by the AT86RF231 (see
Operating Mode.
For example, interrupts are provided to observe the status of radio transceiver RX and
TX operations.
On receive IRQ_2 (RX_START) indicates the detection of a valid PHR first, IRQ_5 (AMI) an
address match and IRQ_3 (TRX_END) the completion of the frame reception.
On transmit IRQ_3 (TRX_END) indicates the completion of the frame transmission.
Figure 7-2 on page 39
devices and the related interrupt events in Basic Operating Mode. Device 1 transmits a frame
containing a MAC header (in this example of length 7), payload and valid FCS. The frame is
received by Device 2 which generates the interrupts during the processing of the incoming
frame. The received frame is stored in the Frame Buffer.
The first interrupt IRQ_2 (RX_START) signals the reception of a valid PHR.
If the received frame passes the address filter, refer to
61, an address match interrupt IRQ_5 (AMI) is issued after the reception of the MAC
header (MHR).
In Basic Operating Mode the third interrupt IRQ_3 (TRX_END) is issued at the end of the
received frame. In Extended Operating Mode, refer to
on page
FCS is valid. Further exceptions are explained in
page
Processing delay
istics” on page
47.
47; the interrupt is only issued if the received frame passes the address filter and the
157.
t
see parameter 12.4.13.
IRQ
is a typical value, refer to
shows an example for a transmit/receive transaction between two
Section 12.4 “Digital Interface Timing Characteris-
Section 12.4 “Digital Interface Timing Character-
Table 6-9 on page
Section 7.2 “Extended Operating Mode” on
Section 7.2.3.5 “Frame Filtering” on page
Section 7.2 “Extended Operating Mode”
Table 14-1 on page
29) are supported in Basic
AT86RF231
170.
38
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