Rainbow Electronics AT76C551 - Manual (Page 38)

38
AT76C551
1612D–08/01
RxTxSettleTimes
addr: 600044 hex R/W 32 bits
• Bits 31..24 – Reserved
• Bits 23..16 – TC_TXON, settleTime[7:0]
Microseconds from TC_TXON rise to outgoing packet data transmission.
• Bits 15..8 – TC_RXON, settleTime[7:0]
Microseconds from TC_RXON rise to correlator activation.
• Bits 7..0 – TC_PURX/TX, settleTime[7:0]
Microseconds from TC_PURX/TX rise to TC_TXON or TC_RXON rise.
Note: Default Value: 00000000 hex
TcCtrlStatus
addr: 600048 hex R/W 32 bits
• Bits 31..9 – Reserved
• Bit 8 TC_LD
Reflects transceiver TC_LD pin level
• Bit 7 R/W – TC_PUREG
Sets transceiver TC_PUREG pin level
• Bit 6 R/W – TC_PUVCO
Sets transceiver TC_PUVCO pin level
• Bit 5 R/W – TC_PUPLL
Sets transceiver TC_PUPLL pin level
• Bit 4 R/W – TC_PURXTX
Sets transceiver TC_PURXTX pin level, when bit 1 of this register is reset
• Bit 3 R/W – TC_RXON
Sets transceiver TC_RXON pin level, when bit 1 of this register is reset
• Bit 2 R/W – TC_TXON
Sets transceiver TC_TXON pin level, when bit 1 of this register is reset
• Bit 1 R/W – RX/TX_auto
Selects control mode for transceiver signals TC_RXON, TC_TXON & TC_PURXTX
1: The transceiver signals are controlled automatically.
0: The transceiver signals are set to reflect bits 4...2 of this register.
• Bit 0 R/W – TC_I_CP_SW
Sets transceiver TC_I_CP_SW pin level
Note: Default Value: 00000000 hex
TcCommand
addr: 60004C hex W 32 bits
• Bits 31..3 – Reserved
• Bit 2 – RxEnable
Set by firmware to start a RX cycle at then next event generated by compare timer
CmpTimer_RxTxStart