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AR4100 Datasheet, PDF (23/29 Pages) Freescale Semiconductor, Inc – Low power modes consuming as little as 5 μA of current
AR4100 System in Package 802.11n– General Availability Data Sheet
Pin Assignments and Descriptions
Table 5-4 Signal-to-Pin Relationships and Descriptions
Signal Name
Pin
Type
Description
Power Supply
GND
A1, A11, E17, K1, R17, T3, T5, T12,
T14, T16
P All ground pins must be grounded, follow design
note recommendations.
E-GND 1...36 F6, F7, F8, F9, F10, F11, G6, G7, G8, P Ground pads at center of package, all 36 must be
G9, G10, G11, H6, H7, H8, H9, H10,
connected to the ground plane with sufficient vias,
H11, J6, J7, J8, J9, J10, J11, K6, K7, K8,
follow design note recommendations.
K9, K10, K11, L6, L7, L8, L9, L10, L11
AVDD18
m VDDIO
o SW_REG_
OUT
.c VDD33
VBAT_42
le PAREG_33_
OUT
PAREG_
a BASE
c DVDD12
A2, A3
A4
A5, B5
A6, B6
A7, B7
A8, B8
A9
A10
s AVDD12
B1
ee HOST_
POWER
www.fr NC
C1
A12, A13, A14, A15, A16, A17, B2, B3,
B4, B9, B10, B11, B12, B13, B14, B15,
B16, B17, C2, C16, C17, D2, D16, D17,
E2, E16, F1, F2, F16, F17, G16, G17,
H16, H17, J16, J17, K16, K17, L1, L16,
L17, M1, M16, M17, N1, N16, N17, P1,
P16, P17, R1, R3, R4, R5, R6, R8, R10,
R11, R12, R13, R14, R15, R16, T1, T2,
T13, T15, T17
(Note that these pins are not aligned to the outer
pins. See “Package Dimensions” on page 25.)
P Power supply input; WiFi 1.8 V digital, RF,
baseband, and synthesizer supplies.
P Power supply input; WiFi digital IO supply for
XTAL oscillator.
P Leave unconnected
P Power supply input; WiFi antenna and WiFi PA
3.3 V supplies.
P Power supply input; see design guide for details.
P Power supply; see design guide for details.
P Power supply; see design guide for details.
P Power supply bypass; WiFi digital 1.2 V supply
from internal LDO, connect to external bypass
capacitor.
P Power supply bypass; WiFi analog 1.2 V supply
from internal LDO, connect to external bypass
capacitor.
P Power supply input; 1.8 V or 3.3 V Host IO power
supply input
— No Connect
MKG-16487 Ver. 5.0
23
Qualcomm Atheros, Inc.
MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION