AT86RF232 Atmel Corporation, AT86RF232 Datasheet - Page 96

• 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

96
AT86RF232
Bit
0x08
Read/Write
Reset value
Bit
0x08
Read/Write
Reset value
 Bit 7 - CCA_DONE
Table 8-12. CCA_DONE.
Register Bits
CCA_DONE
The register bit CCA_DONE indicates if a CCA request is completed. This is also
indicated by an interrupt IRQ_4 (CCA_ED_DONE). The register bit CCA_DONE is
cleared in response to a CCA_REQUEST.
 Bit 6 - CCA_STATUS
Table 8-13. CCA_STATUS.
Register Bits
CCA_STATUS
After a CCA request is completed the result of the CCA measurement is available in
register bit CCA_STATUS. The register bit CCA_STATUS is cleared in response to a
CCA_REQUEST.
Register 0x08 (PHY_CC_CCA):
The PHY_CC_CCA register is a multi-purpose register that controls CCA configuration,
CCA measurement, and the IEEE 802.15.4 channel setting.
Figure 8-11. Register PHY_CC_CCA.
 Bit 7 - CCA_REQUEST
The register bit CCA_REQUEST initiates a manual started CCA measurement.
Table 8-14. CCA_REQUEST.
Register Bits
CCA_REQUEST
Notes: 1.
A manual CCA measurement is initiated with setting CCA_REQUEST = 1. The end of
the CCA measurement is indicated by interrupt IRQ_4 (CCA_ED_DONE). Register bits
CCA_DONE and CCA_STATUS (register 0x01, TRX_STATUS) are updated after a
2.
CCA_REQUEST
The read value returns always with zero.
If a CCA request is initiated in states others than RX_ON or RX_BUSY the PHY
generates an IRQ_4 (CCA_ED_DONE) and sets the register bit CCA_DONE,
however no CCA was carried out.
R/W
R/W
7
0
3
1
Value
Value
Value
0
1
0
1
0
1
R/W
R/W
6
0
2
0
Description
CCA calculation not finished
CCA calculation finished
Description
Channel indicated as busy
Channel indicated as idle
Description
Reset value
Starts a CCA measurement
CCA_MODE
CHANNEL
R/W
R/W
5
1
1
1
CHANNEL
R/W
R/W
4
0
0
1
8321A–MCU Wireless–10/11
PHY_CC_CCA
PHY_CC_CCA