User Manual

106
8111A–AVR–05/08
AT86RF231
• Bit [5:4] - PA_LT
These register bits control the enable lead time of the internal PA relative to the beginning of the
transmitted frame.
• Bit [3:0] - TX_PWR
These register bits determine the TX output power of the AT86RF231.
Table 9-3. PA Enable Time Relative to the Start of the Frame (SHR)
Register Bits Value PA Lead Time [µs]
PA_LT 0
2
14
26
38
Table 9-4. AT86RF231 TX Output Power Setting
Register Bits Value TX Output Power [dBm]
TX_PWR 0x0
3.0
0x1 2.8
0x2 2.3
0x3 1.8
0x4 1.3
0x5 0.7
0x6 0.0
0x7 -1
0x8 -2
0x9 -3
0xA -4
0xB -5
0xC -7
0xD -9
0xE -12
0xF -17