14.35 Radio RegistersTable 45 : Overview of RF registersXDATA AddressRegister nameDescriptionOxDFOO-OxDFOl-Reserved0xDF02MDMCTRLOHModem Control 0, high调制解调控制寄存器0,咼字节OxDFO3MDMCTRLOLModem Control 0, low 调制解调控制寄存器0,低字节OxDFO4MDMCTRL1HModem Control 1, high调制解调控制寄存器1,咼字节OxDFO5MDMCTRL1LModem Control 1, low 调制解调控制寄存器1,低字节OxDFO6RSSIHRSSI and CCA Status and Control, highRSSI和CCA控制和状态寄存器，高字节OxDFO7RSSILRSSI and CCA Status and Con trol, lowRSSI和CCA控制和状态寄存器，低字节OxDFO8SYNCWORDH冋步字控制奇存器，咼字节OxDFO9SYNCWORDL同步字控制寄存器，低字节OxDFOATXCTRLHTransmit Control, high发送控制寄存器，咼字节OxDFOBTXCTRLLTransmit Control, low发送控制寄存器，低字节OxDFOCRXCTRLOHReceive Control 0, high接收控制寄存器0,咼字节OxDFODRXCTRLOLReceive Control 0, low 接收控制寄存器0,低字节OxDFOERXCTRL1HReceive Control 1, high接收控制寄存器1,咼字节OxDFOFRXCTRL1LReceive Control 1, low 接收控制寄存器1,低字节OxDFIOFSCTRLHFreque ncy Syn thesizer Con trol and Status, high 频率合成器控制和状态寄存器，高字节OxDF11FSCTRLLFreque ncy Syn thesizer Con trol and Status, low频率合成器控制和状态寄存器，低字节OxDF12CSPXCSP X Data CSP X 数据OxDF13CSPYCSP Y Data CSP Y 数据OxDF14CSPZCSP Z Data CSP ZOxDF15CSPCTRLCSP Con trol CSP控制OxDF16CSP TCSP T Data CSPOxDF17RFPWRRF Power Control T 数据OxDF2OFSMTCHFin ite State Mach ine Time Con sta nts, high 有限状态机时间常数，高字节OxDF21FSMTCLFinite State Mach ine Time Con sta nts, low 有限状态机时间常数，低字节OxDF22MANANDHManual AND Override, high 咼字节OxDF23MANANDLManual AND Override, low 低字节OxDF24MANORHManual OR Override, high 咼字节OxDF25MANORLManual OR Override, low 低字节OxDF26AGCCTRLHAGC Co ntrol, high AGC控制寄存器，咼字节OxDF27AGCCTRLLAGC Control, low AGC控制寄存器，低字节OxDF28--ReservedXDATA AddressRegister nameDescription0xDF380xDF39FSMSTATEFinite State Machine State Status有限状态机状态寄存器0xDF3AADCTSTHADC Test, high ADC测试寄存器，高字节0xDF3BADCTSTLADC Test, low ADC测试寄存器，低字节0xDF3CDACTSTHDAC Test, high DAC测试寄存器，高字节0xDF3DDACTSTLDAC Test, low DAC测试寄存器，低字节0xDF3E—Reserved0xDF3F—Reserved0xDF40—Reserved0xDF41—Reserved0xDF43IEEE ADDR0IEEE Address 0 (LSB)0xDF44IEEE ADDR1IEEE Address 10xDF45IEEE ADDR2IEEE Address 20xDF46IEEE ADDR3IEEE Address 30xDF47IEEE ADDR4IEEE Address 40xDF48IEEE ADDR5IEEE Address 50xDF49IEEE ADDR6IEEE Address 60xDF4AIEEE ADDR7IEEE Address 7 (MSB)0xDF4BPANIDHPAN Ide ntifier, high PANfo 志符，高字节0xDF4CPANIDLPAN Ide ntifier, low PAN 标志符，低字节0xDF4DSHORTADDRHShort Address, high 短地址，咼字节0xDF4ESHORTADDRLShort Address, low 短地址，低字节0xDF4FIOCFG0I/O Co nfiguration 0 I/O 配置寄存器 00xDF50IOCFG1I/O Co nfiguration 1 I/O 配置寄存器 10xDF51IOCFG2I/O Co nfiguration 2 I/O 配置寄存器 20xDF52IOCFG3I/O Co nfiguration 3 I/O 配置寄存器 30xDF53RXFIFOCNTRX FIFO Cou nt RX FIFO计数0xDF54FSMTC1Finite State Machine Control有限状态机控制寄存器0xDF55-0xDF5F-Reserved0xDF60CHVERChip Version 芯片版本0xDF61CHIPIDChip Iden tification 芯片标志符0xDF62RFSTATUSRF Status RF状态寄存器0xDF63XOSC32M32 MHz Crystal Oscillator Co ntrol32 MHz晶震控制寄存器0xDF64IRQSRCRF In terrupt Source RF 中断源寄存器F表所示的寄存器只为调试而保留。
可从SmartRF® Studio获得这些值，但不能修改Table 46 : Overview of RF test registersXDATA AddressRegister nameReset value0xDF28AGCTST0H0x360xDF29AGCTST0L0x490xDF2AAGCTST1H0x080xDF2BAGCTST1L0x540xDF2CAGCTST2H0x090xDF2DAGCTST2L0x0A0xDF2EFSTST0H0x100xDF2FFSTST0L0x000xDF30FSTST1H0x400xDF31FSTST1L0x320xDF32FSTST2H0x200xDF33FSTST2L0x000xDF34FSTST3H0x920xDF35FSTST3L0xDD0xDF37RXBPFTSTH0x000xDF38RXBPFTSTL0x000xDF3FTOPTST0x100xDF40RESERVEDH0x000xDF41RESERVEDL0x00BitNameResetR/WFunction7:6FRAMET FILT00R/W此位用于所接收数据包帧类型域的特殊操作。
但并不影 响写入RXFIFO的数据包00 :不处理01 : •帧类型的MSB倒转10 :帧类型的MSB青零11 :帧类型的M SB置1要使系统符合IEEE 802.15.4标准，这些位要始终为005RESERVED FRAME MODE0R/W地址识另模式使能时(MDMCTRL0.ADDR_DECODE =1),接收IEEE 802.15.4保留帧类型的模式0 :地址识别不接受保留帧类型1 :地址识别接受保留帧类型不再进行地址解码 地址识另不使能时(MDMCTRL0.ADDR_DECODE = 0), 贝不管RESERVED FRAME MODE的值，所以的帧都接 收 — —要使系统符合IEEE 802.15.4标准，这些位要始终为004PAN COORDINATOR0R/WPAN Coord in ator e nable. PAN 协调器使能位按IEEE802.15.4协议的7.562说明过滤没有目的地址 的数据包0 :设备不是协调器1 : Device is a PAN Coordi nator 设备是协调器3ADDR DECODE1R/WHardware Address decode en able.硬件地址解码使 能。
0:使能地址解码1:不使能地址解码2:0CCA HYST[2:0]010R/WCCA滞后量(dB),值为(0-7) (dB)Table 47: Register MDMCTRL0H (0xDF02)BitNameResetR/WFunction7:6CCA MODE[1:0]11R/WCCA模式选择00 :保留01: CCA=1，当 RSSI < CCA_THR-CCA_HYST 时 CCA=0，当RSSI >= CCA_THR时10 : CCA=1，当不接收数据包时11 : CCA=1，当 RSSI < CCA_THR-CCA_HYST 且 不接收数据包时CCA=0，当RSSI >= CCA_THR 或在接收数据包时t5AUTOCRC1R/WIn packet mode a CRC-16 (ITU-T) is calculated and is tra nsmitted after the last data byte in TX. In RX CRC is calculated and checked for validity.以数据包模式传送数据时发送时在数据最后计算 CRC。