ML7055LP datasheet(6/30 Pages) OKI

6 / 30 page

FEDL7055-02

OKI Semiconductor

ML7055

6/30

PIN DESCRIPTIONS

RF I/F

Pin Placement

Pin Name

Direc-

tion

[*0]

Internal

Pull Up/

Down,

Schmitt

Initial

Value

ML7055

Description

TXD

—

ML7050: Transmit data output

CX72303: Transmit data output

BCM2002X: Transmit data output

RXD

—

ML7050: Receive data input

CX72303: Receive data input

BCM2002X: Receive data input

PLL_DATA

—

ML7050: Serial write data

CX72303: Serial write data

BCM2002X: Transmit enable

PLL_CLK

—

ML7050: Serial clock

CX72303: Serial clock

BCM2002X: Serial clock

PLL_LE

—

ML7050: Serial road enable

0: Negate, 1: Assert

CX72303: Serial enable

0: Assert, 1: Negate

BCM2002X: RF-LSI synthesizer on

0: Negate, 1: Assert

RSSI

Pull

down

—

ML7050: Receive field strength data

input

CX72303: Serial read data

BCM2002X: Serial read data

RSSI_CLK

—

ML7050: Receive field strength data

clock

CX72303: RF-LSI receiving

characteristic control

BCM2002X: System clock request

PLL_POW

—

ML7050: Local PLL power control

0: Assert, 1: Negate

CX72303: PA Power control

0: Negate, 1: Assert

BCM2002X: Select serial transmit

mode

TX_POW

—

ML7050: Transmit enable

0: Assert, 1: Negate

CX72303: Transmit enable

0: Negate, 1: Assert

BCM2002X: Serial write data

RX_POW

—

ML7050: Receive enable

0: Assert, 1: Negate

CX72303: Receive enable

0: Negate, 1: Assert

BCM2002X: Receive enable

PLL_PS

—

ML7050: ”L”

CX72303: Power on reset

0: Assert (reset)

1: Negate

BCM2002X: RF-LSI receiving

characteristic control

[*0]

“I” = Input, “O” = Output, “I/O” = Input/Output

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