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