loginid=seete_wlf@seete.net,time=2012-07-19 21:27:26,ip=116.205.68.54,doctitle=MT6628Q_external_datasheet_v1.3_brief.docx,company=Unistar_WCX

MT6628Q

Data Sheet

Confidential A

MediaTek Confidential

© 2012 MediaTek Inc.

Page 8 of 26

This document contains information that is proprietary to MediaTek Inc.

Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.

2

Product Description

2.1

Pin Description

There are total 88 pins in WLCSP package.

Symbol

WLCSP bump

Description

PU/PD

I/O

Power ground pin

DVDD

G5

1.2V core power

NA

VDD

DVDD

E6

1.2V core power

NA

VDD

DVDD

C9

1.2V core power

NA

VDD

DVSS

G6

Ground

NA

VSS

DVSS

F7

Ground

NA

VSS

DVSS1

C10

Ground

NA

VSS

DVDDIO

C8

I/O power

NA

VDD

DVDDIO_SDIO

H4

SDIO I/O power

NA

VDD

PMU

PMU_EN

G3

PMU enable

NA

I

PMU_DSB

H3

Disable PMU deep

sleep mode

NA

I

VREF

L1

Reference bandgap

voltage

NA

O

AVDD55_MISC

L2

VBAT for internal

circuit

NA

VDD

AVSS55_MISC

K1

MISC ground

NA

VSS

AVDD25_V2P5

G2

Internal 2.5V power

NA

VDD

AVDD25_V2P5NA

J3

Internal 2.5V power

NA

VDD

LXBK

L3

Switching node of

buck

NA

O

AVDD55_SMPS

K3

Battery voltage

NA

VDD

AVSS55_SMPS

J4

Switching regulator

ground

NA

VSS

AVDD17_CLDO_IN

J2

1.7V CLDO input

NA

VDD

AVDD28_TLDO_SW

H1

Power source for

TCXO

NA

VDD

CLDO

K2

1.2V core power LDO

output

NA

O

AVDD28_TLDO

J1

2.8V TCXO LDO

output

NA

O

WFLDO

L4

3.3V WiFi LDO output

NA

O

AUX_REF

H2

ADC top reference

NA

I