isl3874 Intersil Corporation, isl3874 Datasheet - Page 2

• Manufacturer Part Number: isl3874
• Description: Wireless Lan Integrated Medium Access Controller With Baseband Processor With Mini-pci
• Manufacturer: Intersil Corporation

Simplified Block Diagram
DATA
ADDRESS
CONTROL
COMPUTER
HOST
EXTERNAL
SRAM AND
ON-CHIP
MEMORY
ON-CHIP
FLASH
ROM
RAM
ADDRESS
SELECT
PCI/CARD BUS 32
DATA
INTERFACE
PROGRAMMED
HOST
MAC ENGINE
MICRO-
CONTROLLER
MEMORY
ENGINE
WEP
2
MEDIUM ACCESS
CONTROLLER
INTERFACE
CONTROL
SERIAL
(MDI)
(MMI)
PHY
ISL3874
DATA I/O
ISL3874
DEMOD
MOD
AGC
ALC
BASEBAND PROCESSOR
CTL
I/O
TX
44MHz CLOCK
SOURCE
6
6
7
6
1
1
7
6
6
.
Q DAC
THRESH.
Q ADC
DETECT
I DAC
DAC
I ADC
†
DAC
ADC
IF
TX
TX
RX_RF_AGC
RX_IF_AGC
TX_IF_AGC
TX_AGC_IN
ANT_SEL
RX_IF_DET
TX_Q
TX_I
RX_Q
V
RX_I
REF
SERIAL CONTROL
RADIO AND SYNTH
PRISM RADIO
RF SECTION