HFA3861AIN Intersil Corporation, HFA3861AIN Datasheet - Page 21

• Manufacturer Part Number: HFA3861AIN
• Description: Processor, Direct Sequence Spread Spectrum Base band Processor
• Manufacturer: Intersil Corporation

numbers where the lower 1 bit of an 8-bit hexadecimal address
A Default Register Configuration
The registers in the HFA3861A are addressed with 7-bit
is left as unused. This results in the addresses being in
increments of 2 as shown in the table below. Table 9 shows the
register values for a default 802.11 configuration with various
rate configurations. The data is transmitted as either DBPSK,
CONFIGURATION
REGISTER
CR10
CR11
CR12
CR13
CR14
CR15
CR16
CR17
CR18
CR19
CR20
CR21
CR22
CR23
CR24
CR25
CR26
CR27
CR28
CR29
CR30
CR31
CR32
CR33
CR34
CR35
CR36
CR37
CR38
CR39
CR0
CR1
CR2
CR3
CR4
CR5
CR6
CR7
CR8
CR9
Part/Version Code
I/O Polarity
I Cover Code
Q Cover Code
TX Preamble Length
TX Signal Field
TX Service Field
TX Length Field, High
TX Length Field, Low
RX/TX Configure
RX Configure
RX/TX Configure
A/D Test Modes 1
A/D Test Modes 2
A/D Test Modes 3
AGC GainClip
AGC LowerSatCount
AGC TimerCount
AGC HiSat
AGC LockinLevel/CW detect threshold
AGC LockWindow, pos side
AGC Threshold
AGC Lookup Table Addr and Control
AGC Lookup Table Data
AGC LoopGain
AGC RX_IF
AGC Test Modes
AGC RX_RF Threshold
AGC Low SatAtten
AGC LockWindow, negative side
Carrier Sense 2
Manual TX Power Control
Test Modes 1
Test Modes 2
Test Bus Address
CMF Coefficient Control
Scrambler Seed, Long Preamble Option
Scrambler Seed, Short Preamble Option
ED Threshold
CMF Gain Threshold
21
TABLE 9. CONTROL REGISTER VALUES FOR DUAL ANTENNA DIVERSITY
NAME
HFA3861A
DQPSK, or CCK depending on the configuration chosen. It is
recommended that you start with the simplest configuration
(DBPSK) for initial test and verification of the device and/or the
radio design. The user can later modify the CR contents to
reflect the system and the required performance of each
specific application.
TYPE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
ADDRESS HEX
REGISTER
00
02
04
06
08
0A
0C
0E
10
12
14
16
1A
1C
1E
20
22
24
26
28
2A
2C
2E
30
32
34
36
38
3A
3C
3E
40
42
44
46
48
4A
4C
4E
18
1/2/5.5/11Mbps
As Required
As Required
As Required
(Note 3)
(Note 3)
5C
C4
2D
BA
0C
A0
B8
1B
0A
7A
0A
5B
7F
11
00
48
48
80
03
00
00
00
81
20
06
16
20
98
18
24
00
00
00
26
29