AR9271 View Datasheet(PDF) - Unspecified
Part Name
Description
Manufacturer
AR9271 Datasheet PDF : 152 Pages
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6.5.8 Tx Configuration (TXCFG) ........ 61
6.5.9 Rx Configuration (RXCFG) ....... 62
6.5.10 MIB Control (MIBC) ................... 62
6.5.11 Timeout Prescale (TOPS) ........... 62
6.5.12 Rx No Frame (RXNF) ................. 63
6.5.13 Tx No Frame (TXNF) ................. 63
6.5.14 Rx Frame Gap Timeout (RFGTO)
63
6.5.15 Rx Frame Count Limit (RFCNT) 63
6.5.16 Global Tx Timeout (GTT) .......... 64
6.5.17 Global Tx Timeout Mode (GTTM)
64
6.5.18 Carrier Sense Timeout (CST) .... 64
6.5.19 Primary Interrupt Status (ISR_P) 65
6.5.20 Secondary Interrupt Status 0
(ISR_S0) ........................................ 67
6.5.21 Secondary Interrupt Status 1
(ISR_S1) ........................................ 67
6.5.22 Secondary Interrupt Status 2
(ISR_S2) ........................................ 68
6.5.23 Secondary Interrupt Status 3
(ISR_S3) ........................................ 68
6.5.24 Secondary Interrupt Status 4
(ISR_S4) ........................................ 69
6.5.25 Secondary Interrupt Status 5
(ISR_S5) ........................................ 69
6.5.26 Primary Interrupt Mask (IMR_P) 70
6.5.27 Secondary Interrupt Mask 0
(IMR_S0) ...................................... 71
6.5.28 Secondary Interrupt Mask 1
(IMR_S1) ...................................... 71
6.5.29 Secondary Interrupt Mask 2
(IMR_S2) ...................................... 72
6.5.30 Secondary Interrupt Mask 3
(IMR_S3) ...................................... 72
6.5.31 Secondary Interrupt Mask 4
(IMR_S4) ...................................... 73
6.5.32 Secondary Interrupt Mask 5
(IMR_S5) ...................................... 73
6.5.33 Primary Interrupt Status Read and
Clear (ISR_P_RAC) ..................... 74
6.5.34 Secondary Interrupt Status 0
(ISR_S0_S) .................................... 74
6.5.35 Secondary Interrupt Status 1
(ISR_S1_S) .................................... 74
6.5.36 Secondary Interrupt Status 2
(ISR_S2_S) .................................... 74
6.5.37 Secondary Interrupt Status 3
(ISR_S3_S) .................................... 74
6.5.38 Secondary Interrupt Status 4
(ISR_S4_S) .................................... 75
6.5.39 Secondary Interrupt Status 5
(ISR_S5_S) .................................... 75
6.6 QCU Registers ........................................ 76
Beacon Handling 76
6.6.1 Tx Queue Descriptor (Q_TXDP) 77
6.6.2 Tx Queue Enable (Q_TXE) ........ 78
6.6.3 Tx Queue Disable (Q_TXD) ...... 78
6.6.4 CBR Configuration (Q_CBRCFG)
78
6.6.5 ReadyTime Configuration
(Q_RDYTIMECFG) .................... 79
6.6.6 OneShotArm Set Control
(Q_ONESHOTARM_SC) ........... 79
6.6.7 OneShotArm Clear Control
(Q_ONESHOTARM_CC) .......... 79
6.6.8 Misc. QCU Settings (Q_MISC) . 80
6.6.9 Misc. QCU Status (Q_STS) ........ 82
6.6.10 ReadyTimeShutdown Status
(Q_RDYTIMESHDN) ................. 82
6.7 DCU Registers ........................................ 83
6.7.1 QCU Mask (D_QCUMASK) ..... 83
6.7.2 DCU-Specific IFS Settings
(D_LCL_IFS) ................................ 84
6.7.3 Retry Limits (D_RETRY_LIMIT) 84
6.7.4 ChannelTime Settings
(D_CHNTIME) ............................ 85
6.7.5 Misc. DCU-Specific Settings
(D_MISC) ..................................... 85
6.7.6 DCU-Global IFS Settings: SIFS
Duration (D_GBL_IFS_SIFS) ..... 87
6.7.7 DCU-Global IFS Settings: Slot
Duration (D_GBL_IFS_SLOT) .. 88
6.7.8 DCU-Global IFS Settings: EIFS
Duration (D_GBL_IFS_EIFS) .... 88
6.7.9 DCU-Global IFS Settings: Misc.
Parameters (D_GBL_IFS_MISC) 88
6.7.10 DCU Tx Pause Control/Status
(D_TXPSE) ................................... 89
6.7.11 DCU Transmission Slot Mask
(D_TXSLOTMASK) .................... 89
6.7.12 DCU Tx Filter Bits (D_TXBLK) . 91
EEPROM Interface Registers 93
6.8 Host Interface Registers ........................ 93
Atheros Communications, Inc.
COMPANY CONFIDENTIAL
AR9271 Single-Chip 1x1 MAC/BB/Radio for 802.11n WLANs • 5
November 2011 • 5
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