[ISINK]MT6328 ISINK呼吸灯模式配置方法

本文档详细介绍了如何配置MT6328芯片以实现ISINK呼吸灯模式,为设备增添动态灯光效果。内容涵盖ISINK呼吸灯的设置步骤和技巧。

[ISINK]MT6328 ISINK呼吸灯模式配置方法

[DESCRIPTION]

MT6328 ISINK呼吸灯模式配置方法

[SOLUTION]

MT6328 ISINK 支持呼吸灯模式的话
需要修改文件alps\kernel-3.10\drivers\misc\mediatek\leds\mt6735\leds.c
修改函数, 以ISINK0为例。
int mt_brightness_set_pmic(enum mt65xx_led_pmic pmic_type, u32 level, u32
div)
{
..........
if(pmic_type == MT65XX_LED_PMIC_NLED_ISINK0)
{
pmic_set_register_value(PMIC_RG_DRV_32K_CK_PDN,0x0); // Disable power down
pmic_set_register_value(PMIC_RG_DRV_ISINK0_CK_PDN,0);
pmic_set_register_value(PMIC_RG_DRV_ISINK0_CK_CKSEL,0);
pmic_set_register_value(PMIC_ISINK_CH0_MODE,ISINK_BREATH_MODE);
pmic_set_register_value(P
数据手册,Document Revision History .............................................................................................2 Table of Contents..............................................................................................................3 1 Overview ..................................................................................................................4 1.1 Features ..................................................................................................................................... 4 1.2 Applications............................................................................................................................... 4 1.3 General Descriptions................................................................................................................. 4 1.4 Ordering Information ................................................................................................................5 1.5 Top Marking Definition .............................................................................................................5 1.6 Pin Assignments and Descriptions .......................................................................................... 6 2 MT6328 Packaging..................................................................................................11 2.1 Package Dimensions ................................................................................................................ 11 Appendix ........................................................................................................................ 12 Lists of Tables and Figures Table 1-1. MT6328 pin descriptions ............................................................................................................ 6 Figure 1-1. MT6328 VFBGA 206 (6.6x6.6mm) pin assignment................................................................ 6
完整版数据手册,共304页; Document Revision History .............................................................................................2 Table of Contents..............................................................................................................3 1 Overview ..................................................................................................................6 1.1 Features ..................................................................................................................................... 6 1.2 Applications............................................................................................................................... 6 1.3 General Descriptions................................................................................................................. 6 1.4 Ordering Information ................................................................................................................7 1.5 Top Marking Definition .............................................................................................................7 1.6 Pin Assignments and Descriptions .......................................................................................... 8 2 Electrical Characteristics ....................................................................................... 13 2.1 Absolute Maximum Ratings over Operating Free-Air Temperature Range .........................13 2.2 Thermal Characteristic ............................................................................................................13 2.3 Pin Voltage Range ....................................................................................................................13 2.4 Recommended Operating Range ............................................................................................ 17 2.5 Electrical Characteristics ......................................................................................................... 17 2.6 Regulator Output .....................................................................................................................18 2.7 Driver ....................................................................................................................................... 25 2.8 Class AB/D Audio Amplifier................................................................................................... 25 2.9 Audio CODEC.......................................................................................................................... 29 2.10 Battery Charger ........................................................................................................................35 2.11 BC1.x .........................................................................................................................................35 2.12 Down Load Without Battery....................................................................................................35 2.13 AUXADC.................................................................................................................................. 36 2.14 Fuel Gauge............................................................................................................................... 36 3 Functional Descriptions......................................................................................... 37 3.1 General Descriptions................................................................................................................37 3.2 PMIC Functional Blocks ..........................................................................................................37 3.2.1 Power-On/Off Sequence .......................................................................................... 38 3.2.2 Buck Converter and Application Reference ............................................................ 40 3.2.3 Low Dropout Regulator (LDOs) and Application Reference ..................................41 3.2.4 Drivers ....................................................................................................................... 43 3.2.5 Vibrator Driver.......................................................................................................... 44 3.2.6 Audio CODEC and Accessory Detection.................................................................. 45 3.2.7 Class-AB/D Audio Amplifier.................................................................................... 46 3.2.8 Battery Charger (Charger Controller).......................................................................47 3.2.9 AUXADC ....................................................................................................................51 3.2.10 Fuel Gauge .................................................................................................................51
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