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MT6323

PMIC Technical Brief

Confidential A

MediaTek Confidential

© 2013 MediaTek Inc.

Page 9 of 14

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.

Ball

Symbol

I/O

Description

G9

GND_LDO

GND

Ground for LDO

H1

AU_HSP

O

Receiver output

H10

GND_LDO

GND

Ground for LDO

H11

VRF18

O

VRF18 output voltage

H13

VBAT_VSYS

PWR

Battery power supply input of VSYS BUCK

H14

VSYS

O

SW node of VSYS BUCK

H2

GND_ABB

GND

GND of ABB

H4

AU_HPL

O

Headphone L-ch output

H5

GND_LDO

GND

Ground for LDO

H6

GND_LDO

GND

Ground for LDO

H7

GND_LDO

GND

Ground for LDO

H8

GND_LDO

GND

Ground for LDO

H9

GND_LDO

GND

Ground for LDO

J10

GND_LDO

GND

Ground for LDO

J12

VCN18

O

VCN18 output voltage

J13

VM

O

VM output voltage

J14

AVDD22_BUCK

PWR

Power supply input of VSYSLDO

J2

AVDD28_ABB

PWR

2.8V power input for ABB

J4

AU_HPR

O

Headphone R-ch output

J6

GND_LDO

GND

Ground for LDO

J7

GND_LDO

GND

Ground for LDO

J8

GND_LDO

GND

Ground for LDO

J9

GND_LDO

GND

Ground for LDO

K1

SPK_P

O

Positive output for internal speaker amp

K10

SIMLS2_SRST

O

SIMLS2 SRST

K11

SIMLS2_AP_SIO

IO

SIM2_AP data signal

K14

VCAMD

O

VCAMD output voltage

K3

BATON

I

Battery NTC pin for battery and its

temperature sensing

K4

RESETB

O

System reset release signal

K6

GND_LDO

GND

Ground for LDO

K8

GND_LDO

GND

Ground for LDO

K9

SIMLS2_SCLK

O

SIMLS2 SCLK

L1

SPK_N

O

Negative output for internal speaker amp

L11

SIMLS2_SIO

IO

SIMLS2 data signal

L12

VIO18

O

VIO18 output voltage

L13

VCAM_IO

O

VCAM_IO output voltage

L14

VGP3

O

VGP3 output voltage