isl3873b Intersil Corporation, isl3873b Datasheet - Page 2
isl3873b
Manufacturer Part Number
isl3873b
Description
Wireless Integrated Medium Access Controller With Baseband Processor
Manufacturer
Intersil Corporation
Datasheet
1.ISL3873B.pdf
(42 pages)
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Simplified Block Diagram
COMPUTER
DATA
ADDRESS
CONTROL
HOST
EXTERNAL
SRAM AND
ADDRESS
ON-CHIP
ON-CHIP
MEMORY
SELECT
FLASH
ROM
RAM
DATA
INTERFACE
PC CARD
HOST
PROGRAMMED
MAC ENGINE
MICRO-
CONTROLLER
MEMORY
ENGINE
2
WEP
MEDIUM ACCESS
CONTROLLER
INTERFACE
HOST
USB
USB
INTERFACE
CONTROL
SERIAL
(MDI)
(MMI)
PHY
ISL3873B
ISL3873B
DATA I/O
DEMOD
MOD
AGC
ALC
CTL
I/O
TX
BASEBAND PROCESSOR
44MHz CLOCK
SOURCE *
NOTE: THE ISL3873B MUST BE SUPPLIED WITH A
1
1
7
6
6
6
6
7
6
THRESH.
Q DAC
Q ADC
DETECT
I ADC
I DAC
SEPARATE CLOCK WHEN USB IS USED.
DAC
DAC
ADC
TX
TX
IF
RX_RF_AGC
RX_IF_AGC
TX_AGC_IN
RX_IF_DET
TX_IF_AGC
ANT_SEL
RXQ
V
TXQ
RXI
TXI
REF
RADIO AND SYNTH
SERIAL CONTROL
PRISM RADIO
RF SECTION