AT86RF231
7.2.3.1
Description of RX_AACK Configuration Bits
Overview
Table 7-5 on page 54 summarizes all register bits which affect the behavior of an RX_AACK
transaction. For address filtering it is further required to setup address registers to match to the
expected address.
Configuration and address bits are to be set in TRX_OFF or PLL_ON state prior to switching to
RX_AACK mode.
A graphical representation of various operating modes is illustrated in Figure 7-9 on page 53 .
Table 7-5.
Overview of RX_AACK Configuration Bits
Register
Address
0x20,0x21
0x22,0x23
0x24
...........
0x2B
0x0C
0x17
0x17
0x17
Register
Bits
7
1
2
4
Register Name
SHORT_ADDR_0/1
PAN_ADDR_0/1
IEEE_ADDR_0
........
IEEE_ADDR_7
RX_SAFE_MODE
AACK_PROM_MODE
AACK_ACK_TIME
AACK_UPLD_RES_FT
Description
Set node addresses
Protect buffer after frame receive
Support promiscuous mode
Change auto acknowledge start time
Enable reserved frame type reception, needed
to receive non-standard compliant frames
0x17
5
AACK_FLTR_RES_FT
Filter reserved frame types like data frame
type, needed for filtering of non-standard
compliant frames
0x2C
0
SLOTTED_OPERATION
If set, acknowledgment transmission has to be
triggered by pin 11 (SLP_TR)
0x2E
0x2E
0x2E
3
4
5
AACK_I_AM_COORD
AACK_DIS_ACK
AACK_SET_PD
If set, the device is a PAN coordinator
Disable generation of acknowledgment
Set frame pending subfield in Frame Control
Field (FCF), refer to Section 8.1.2.2
0x2E
7:6
AACK_FVN_MODE
Controls the ACK behavior, depending on FCF
frame version number
The usage of the RX_AACK configuration bits for various operating modes of a node is
explained in the following sections. Configuration bits not mentioned in the following two sec-
tions should be set to their reset values according to Table 14-1 on page 170 .
All registers mentioned in Table 7-5 on page 54 are described in Section 7.2.6 “Register Sum-
mary” on page 68 .
Note, that the general behavior of the "AT86RF231 Extended Feature Set", Section 11.
“AT86RF231 Extended Feature Set” on page 128 , settings:
54
8111C–MCU Wireless–09/09
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