参数资料
型号: MRF89XAT-I/MQ
厂商: Microchip Technology
文件页数: 41/140页
文件大小: 0K
描述: RF ISM BAND TXRX 32 QFN
标准包装: 1
频率: 863MHz ~ 870MHz,902MHz ~ 928MHz,950MHz ~ 960MHz
数据传输率 - 最大: 200kbps
调制或协议: FSK,OOK
应用: ISM
功率 - 输出: 12.5dBm
灵敏度: -113dBm
电源电压: 2.1 V ~ 3.6 V
电流 - 接收: 3mA
电流 - 传输: 25mA
数据接口: PCB,表面贴装
存储容量: *
天线连接器: PCB,表面贴装
工作温度: -40°C ~ 85°C
封装/外壳: 32-WFQFN 裸露焊盘
包装: 标准包装
其它名称: MRF89XAT-I/MQDKR
MRF89XA
REGISTER 2-15:
FTPRIREG: FIFO TRANSMIT PLL AND RSSI INTERRUPT REQUEST
CONFIGURATION REGISTER (ADDRESS:0x0E) (POR:0x01) (CONTINUED)
bit 1
bit 0
LSTSPLL: Lock Status of PLL bit
1 = PLL locked (lock detected)
0 = PLL not locked
Writing a ‘ 1 ’ for this bit clears LSTSPLL.
LENPLL: Lock Enable of PLL bit
1 = PLL lock detect enabled (default)
0 = PLL lock detect disabled
The PLL lock detect flag is mapped to the PLOCK pin (pin 23), and pin 23 is a High-Z pin
Note 1: Setting this bit to ‘ 0 ’ disables the RSSI IRQ source. It can be left enabled at any time, and the user can
choose to map this interrupt to IRQ0/IRQ1 or not.
2.15.3
RSSI THRESHOLD INTERRUPT
REQUEST REGISTER DETAILS
REGISTER 2-16:
RSTHIREG: RSSI THRESHOLD INTERRUPT REQUEST CONFIGURATION
REGISTER (ADDRESS:0x0F) (POR:0x00)
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
RTIVAL<7:0>
bit 7
bit 0
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
r = Reserved
bit 7-0
RTIVAL<7:0>: RSSI Threshold for Interrupt Value bits
These bits indicate the RSSI threshold value for interrupt request
RTIVAL<7:0> = 00000000 (default)
? 2010–2011 Microchip Technology Inc.
Preliminary
DS70622C-page 41
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