MRF24J40_08 Datasheet, PDF (62/152 Pages) Microchip Technology – IEEE 802.15.4™ 2.4 GHz RF Transceiver

MRF24J40
REGISTER 2-61: RFCON2: RF CONTROL 2 REGISTER (ADDRESS: 0x202)
R/W-0
PLLEN⁽¹⁾
bit 7
R/W-0
r
R/W-0
r
R/W-0
r
R/W-0
r
R/W-0
r
R/W-0
r
R/W-0
r
bit 0
Legend:
R = Readable bit
-n = Value at POR
r = reserved
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
bit 6-0
PLLEN: PLL Enable bit⁽¹⁾
1 = Enabled
0 = Disabled (default)
Reserved: Maintain as ‘0’
Note 1: PLL must be enabled for RF reception or transmission.
REGISTER 2-62: RFCON3: RF CONTROL 3 REGISTER (ADDRESS: 0x203)
R/W-0
TXPWRL1
bit 7
R/W-0
R/W-0
R/W-0
R/W-0
TXPWRL0 TXPWRS2 TXPWRS1 TXPWRS0
R/W-0
r
R/W-0
r
R/W-0
r
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-6
bit 5-3
bit 2-0
TXPWRL<1:0>: Large Scale Control for TX Power bits
11 = -30 dB
10 = -20 dB
01 = -10 dB
00 = 0 dB
TXPWRS<2:0>: Small Scale Control for TX Power bits
000 = 0 dB
001 = -0.5 dB
010 = -1.2 dB
011 = -1.9 dB
100 = -2.8 dB
101 = -3.7 dB
110 = -4.9 dB
111 = -6.3 dB
Reserved: Maintain as ‘0’
DS39776B-page 60
Preliminary
© 2008 Microchip Technology Inc.