AT86RF232 Atmel Corporation, AT86RF232 Datasheet - Page 69

• Manufacturer Part Number: AT86RF232
• Manufacturer: Atmel Corporation

Specifications of AT86RF232

• 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): 0.25
• Antenna Diversity: Yes
• External Pa Control: Yes
• Power Output (dbm): 3
• Receiver Sensitivity (dbm): -100
• Receive Current Consumption (ma): 11.8
• Transmit Current Consumption (ma): 13.8
• Link Budget (dbm): 103

8321A–MCU Wireless–10/11
Bit
0x2C
Read/Write
Reset value
Bit
0x2C
Read/Write
Reset value
 Bit 3:1 - ARET_CSMA_RETRIES
Retrieves current CSMA-CA retry counter value.
Table 7-25. ARET_CSMA_RETRIES.
Register Bits
ARET_CSMA_RETRIES
Note:
Register 0x2C (XAH_CTRL_0):
The XAH_CTRL_0 register is a control register for Extended Operating Mode.
Figure 7-21. Register XAH_CTRL_0.
 Bit 7:4 - MAX_FRAME_RETRIES
Number of retransmission attempts in TX_ARET mode before the transaction gets
cancelled.
Table 7-26. MAX_FRAME_RETRIES.
Register Bits
MAX_FRAME_RETRIES
1.
A new CCA_BACKOFF cycle or new frame transmit cycle changed these value.
R/W
R/W
7
0
3
1
MAX_CSMA_RETRIES
Value
Value
0x3
0
5
R/W
R/W
MAX_FRAME_RETRIES
6
0
2
0
Description
Minimum possible CSMA-CA retry counter value
Maximum possible CSMA-CA retry counter value
Description
The setting of MAX_FRAME_RETRIES in TX_ARET
mode specifies the number of attempts to retransmit a
frame, when it was not acknowledged by the recipient,
before the transaction gets cancelled.
Valid values are [0x7, 0x6, …, 0x0].
R/W
R/W
5
1
1
0
OPERATION
SLOTTED_
R/W
R/W
4
1
0
0
AT86RF232
XAH_CTRL_0
XAH_CTRL_0
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