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ISL3874 Datasheet(PDF) 8 Page - Intersil Corporation

Part No. ISL3874
Description  Wireless LAN Integrated Medium Access Controller with Baseband Processor with Mini-PCI
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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ISL3874 Datasheet(HTML) 8 Page - Intersil Corporation

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TABLE 8. MISCELLANEOUS CONTROL PORT PINS
PIN NAME
PIN NUMBER PIN I/O TYPE
DESCRIPTION
GRESET
L15
I
Global Reset for MAC, Active LOW
TCLKIN(CS)
L4
I/O, 50K Pull
Down
CS used for Chip Select Output for Serial Devices which have a 4 wire interface like the
AST45DB011 and also serial data on two wire devices like the 24C08.
ANTSEL
N15
O
The antenna select signal changes state as the receiver switches from antenna to antenna during
the acquisition process in the antenna diversity mode. This is a complement for ANTSEL (pin 40) for
differential drive of antenna switches.
ANTSEL
N16
O
The antenna select signal changes state as the receiver switches from antenna to antenna during
the acquisition process in the antenna diversity mode. This is a complement for ANTSEL (pin 39) for
differential drive of antenna switches.
Test_Mode
C4
I
Must be tied to GND.
CompCap1
R15
I
Compensation Capacitor.
CompCap2
R13
I
Compensation Capacitor.
CompRes1
T15
I
Compensation Resistor.
CompRes2
P13
I
Compensation Resistor.
DBG4
(MPCIACT)
B6
I/O
Manufacturing Debug Signals, Leave Unconnected.
Connected to MPCIACT Signal on Mini-PCI Connector.
DBG3
(CLKRUN)
A5
I/O
Manufacturing Debug Signals, Leave Unconnected.
Connected to CLKRUN Signal on Mini-PCI Connector.
DBG2
(LED2)
C5
I/O
Manufacturing Debug Signals, Leave Unconnected.
Used as LED2 Output Signal.
DBG1
B5
I/O
Manufacturing Debug Signals, Leave Unconnected.
DBG0
A6
I/O
Manufacturing Debug Signals, Leave Unconnected.
TABLE 9. POWER PORT PINS
PIN NAME
PIN NUMBER
PIN I/O TYPE
DESCRIPTION
VDDA
M13, P12, R11, T8, R8, P9
Power
Analog DC Power Supply 2.7 - 3.6V.
VDD
P6, D4, D7, D9, D11, D14, F13,
H13, K16, M15, N5, N4, K4,
G3, E4
Power
Digital DC Power Supply 2.7 - 3.6V.
VSSA
N13, T13, T11, N9
GND
Analog Ground.
Vsub
N10, P10
GND
Analog Ground.
GND
B2, D5, D8, D10, D12, D13,
E13, H14, J13, N14, N8, N6,
R2, M4, K3, J4, G4
GND
Digital Ground.
VREF
P11
Input
Voltage Reference for A/Ds and D/As.
IREF
N12
Input
Current Reference for internal ADC and DAC devices. Requires 12K resistor to
ground.
NC
P15, P14, N11, M14, C15, L13,
M16, K13
NC
No Connection.
ST = Schmitt Trigger (Hysteresis), TS = Three-State. Signals ending with “-” are active low.
ISL3874


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