PS2251-33 データシートの表示（PDF） - Unspecified

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PS2251-33

USB 2.0 Flash Controller

Unspecified 

Phison Electronics Corporation

No.1, Qun Yi Road, Jhunan, Miaoli, Taiwan 350, R.O.C.

Tel : +886-37-586-896 Fax : +886-37-587-868

D5. Pin Description

Pin Name

V18

V33

VCC5A

GNDA

DP

DM

AVDDHP,AVDDH_USB

USB + Regulator Interface

Dir.

Pin Description

VCC18 1.8V regulator power supply

VCC33 3.3V regulator power supply

VCC5 5.0V regulator power input

GND 0V regulator ground reference input

I/O USB 2.0 data in positive pin terminal.

I/O USB 2.0 data in negative pin terminal.

VCC33 USB 2.0 PHY power (3.3V)

AGNDP,AGND_USB

VSSK

XSCO

XSCI

VCCK

NC

GND

VCC33

O

I

I

USB 2.0 PHY ground reference (0V)

USB 2.0 PLL ground (0V)

Crystal oscillator output

Crystal oscillator input

USB 2.0 core power (1.8V)

No Connection

Pin Name

PO_FLH_CEB

[7:0]

PB_FLH_DIO

[15:0]

PO_FLH_ALE0,

PO_FLH_ALE1

PO_FLH_CLE0,

PO_FLH_CLE1

PO_FLH_REB0,

PO_FLH_REB1

PO_FLH_WEB0,

PO_FLH_WEB1

PO_FLH_WPB

PI_FLH_RDY

FLASH Interface

Dir.

Pin Description

O Flash chip enable, low active.

I/O Flash data bus

O Flash address latch enable, high active.

O Flash command latch enable, high active.

O Flash read control signal, low active.

O Flash write control signal, low active.

O Flash write protect control signal, low active.

I

Flash ready/busy signal input

Pin Name

PI_RST_N

PI_TEST_SEL0

PI_TEST_SEL1

PI_TEST_MODE_N

PB_GPIO[0:3]

VCC3IO

VCCK

VSSIO

VSSK

Dir.

I

I

I

I

I/O

VCC33

VCC18

GND

GND

Global Signal

Pin Description

Reset Signal

Test Mode Signal.

EAMODE Select Signal.

USB VBUS input

4-bit GPIO

3.3V IO power

1.8V digital core power

0V IO ground reference

0V digital core ground reference

Page 9

DCC.:S-09003

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