AT86RF231
Register 0x17 (XAH_CTRL_1):
The XAH_CTRL_1 register is a multi-purpose control register for various RX_AACK settings.
Bit
7
6
5
4
3
2
1
0
+0x17
Reserved
AACK_FLTR_RES_FT
AACK_UPLD_RES_FT
Reserved
AACK_ACK_TIME
AACK_PROM_MODE
Reserved
XAH_CTRL_1
Read/Write
Reset Value
R/W
0
R
0
R/W
1
R/W
0
R
0
R/W
0
R/W
0
R
0
? Bit [7:6] - Reserved
? Bit 5 - AACK_FLTR_RES_FT
Refer to 7.2.7 “Register Description - Control Registers” on page 68 .
? Bit 4 - AACK_UPLD_RES_FT
Refer to Section 7.2.7 “Register Description - Control Registers” on page 68 .
? Bit 3 - Reserved
? Bit 2 - AACK_ACK_TIME
According to IEEE 802.15.4, section 7.5.6.4.2 the transmission of an acknowledgment frame
shall commence 12 symbol periods (aTurnaroundTime) after the reception of the last symbol of
a data or MAC command frame. This is fulfilled with the reset value of the register bit [2]
(AACK_ACK_TIME).
If AACK_ACK_TIME = 1 an acknowledgment frame is sent 32 μs after the reception of the last
symbol of a data or MAC command frame. This may be applied to proprietary networks including
networks using the High Data Rate Modes to improve the overall data throughput.
? Bit 1 - AACK_PROM_MODE
Refer to Section 7.2.7 “Register Description - Control Registers” on page 68 .
? Bit 0 - Reserved
141
8111C–MCU Wireless–09/09
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