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4.1 Main Configuration Registers (MCFG)
Power-up default settings are shown in bold:
0x00 - MCFG0 0 [default 0x2F]
Name
Bits
R/W
Description
Transceiver chip mode:
000 → Sleep
001 → Standby
Chip_Mode
7,6,5
r/w
010 → S ynthesizer
011 → Receive
100 → Transmit
101, 100, 111 → not used
Frequency band:
000 → 300-330 MHz
0 01 → 330-365 MHz
Band
4,3,2
r/w
0 10 → 365-400 MHz
0 11 → 400-440 MHz
100 → 440 -470 MHz
101 → 470 -510 MHz
110, 111 → not use d
Frequency subband:
00 → 1 st (lowest) quarter of selected band
Subband
1,0
r/w
01 → 2 nd quarter of selected band
10 → 3 rd quarter of selected band
11 → 4 th (highest) quarter of selected band
Table 15
0x01 - MCFG0 1 [default 0x24]
Name
Bits
R/W
Description
Data mode:
Mode
7,6
r/w
00 → Continuous
01 → Buffered
10, 11 → Packet
TX/RX modulation:
00 → Reset
FSK_OOK
5,4
r/w
01→ OOK
10 → FSK
11 → not used
RX OOK threshold mode:
00 → Fixed Threshold
RX_OOK
3,2
r/w
01 → Peak Mode
10 → AVG Mode
11 → not used
Gain (AGC) on IF chain:
00 → maximum IF gain
IF_Gain
1,0
r/w
01 → -4.5 dB below maximum
10 → -9 dB below maximum
11 → -13.5 dB below maximum
Table 16
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TRC105 - 05/29/13
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