EVB71122
300 to 930MHz Receiver
Evaluation Board Description
3.1.3
Control Word R2
Name
Bits
Description
swallow counter value
#default
value is 12
[4:0]
A
N
01100
swallow counter range: 0 to 31
program counter value (bits 0 – 6)
[11:5]
#default
000 0111 0111 N value is 119
N counter range: 3 to 2047
3.1.4
Control Word R3
program counter range (bits 7 – 10)
000 0111 0111 N value is 119
N
[3:0]
#default
N counter range: 3 to 2047
LO2 divider ratio
AGC enable mode
AGC delay settings
LO2DIV
AGCEN
[4]
[5]
#default
#default
#default
0
1
divide by 4
divide by 8
0
1
disabled
enabled
00
01
10
11
no delay
3/fIFF
15/fIFF
31/fIFF
AGCDEL
[7:6]
fIFF is the reference oscillator frequency fRO divided by RIFF, see section 4.1.6 (R6)
multi functional output
0000 MFO is in Z state
0001 MFO is SPI read-out
0010 MFO = 0
[11:8]
MFO
0011 MFO = 1
#default
0100 MFO is analog RO output
0101 MFO is IFF output
1000 MFO is lock detector output
39012 71122 01
Rev. 001
Page 17 of 32
EVB Description
Sept/06
MELEXIS [ Melexis Microelectronic Systems ]
