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PACNTL

B8

analog PA control output to external PA

O

analog output

misc

C7

analog supply voltage

P

analog power

R_DATA

B7

receive data input from UAA3558 (UAA3558

output = 0 to 2.2 V)

I

non-inverting CMOS input

UAA

T_SW

A8

transmit switch timing control to UAA3558

multiplexed with 2.048 MHz clock output

O3

× CMOS output

UAA

SCANTEST

B6

test mode

I

non-inverting CMOS input with pull-down

test

TX_DATA

A7

transmit data

I

non-inverting CMOS input

BB

A6

I/O ground supply

P

I/O ground

SYNTH_ON

A5

timing control input from baseband controller

I

non-inverting CMOS input

BB

UBMODE

A4

unidirectional/bidirectional mode selection

I

non-inverting CMOS input

misc

B4

I/O supply voltage

P

I/O power

SI_CLK

A3

serial interface clock input from baseband controller

I

non-inverting CMOS input

BB

SI_CMS

A2

serial interface mode select input from baseband

controller

I

non-inverting CMOS input

BB

SI_CDI

B3

serial interface data input from baseband controller

I

non-inverting CMOS input

BB

SI_CDO

B2

serial interface data output to baseband controller

O

1

× CMOS output

BB

SYMBOL

BALL

DESCRIPTION

I/O

SIGNAL TYPE

SOURCE