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MT7628_ProgrammingGuide_20140428(E2).pdf
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The MT7628 SoC includes a high performance 580/575 MHz MIPS24KEc CPU core and high speed USB2.0/PCIe interfaces, which is designed to enable a multitude of high performance, cost‐effective IEEE 802.11n applications with a MediaTek WiFi client card.
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©2014MediaTekInc.
ThisdocumentcontainsinformationthatisproprietarytoMediaTekInc.
Unauthorizedreproductionordisclosureofthisinformationinwholeorinpartisstrictlyprohibited.
Specificationsaresubjecttochangewithoutnotice.
MT7628
Version: 1.0
Releasedate: 2014‐04‐28
PROGRAMMINGGUIDE
MT7628
ChipName
ConfidentialB
MT7628 PROGRAMMING GUIDE
MT7628 Overview
TheMT7628SoCincludesahighperformance580/575MHzMIPS24KEcCPUcoreandhighspeedUSB2.0/PCIe
interfaces, which is designed to enable a multitude of high performance, cost‐effective IEEE 802.11n
applicationswithaMediaTekWiFiclientcard.
Functional Block Diagram
Figure1‐1MT7628BlockDiagram
Thereareseveralmasters(MIPS24KEc,USB,PCIExpress,SDXC,FE)intheMT7628SoConahighperformance,
lowlatencyRbus.Inaddition,theMT7628SoCsupportslowerspeedperipheralssuchasUARTLite,GPIO,I2C
andSPI viaa lowspeedperipheralbus(Pbus). TheDDR/DDR2controller isthe onlybus slaveontheRbus. It
includes an Advanced Memory Scheduler to arbitrate the requests from bus masters, enhancing the
performanceofmemoryaccessintensivetasks.
MediaTekConfidential ©2014 MediaTekInc. Page2 of347
ThisdocumentcontainsinformationthatisproprietarytoMediaTekInc.
Unauthorizedreproductionordisclosureofthisinformationinwholeorinpartisstrictlyprohibited.
MT7628
ChipName
ConfidentialB
MT7628 PROGRAMMING GUIDE
DocumentRevisionHistory
Revision Date Author Description
1.0 2014-04-28 PeterCT Wu Initial Draft
MediaTekConfidential ©2014 MediaTekInc. Page3 of347
ThisdocumentcontainsinformationthatisproprietarytoMediaTekInc.
Unauthorizedreproductionordisclosureofthisinformationinwholeorinpartisstrictlyprohibited.
MT7628
ChipName
ConfidentialB
MT7628 PROGRAMMING GUIDE
Table of Contents
MT7628OVERVIEW 2
FUNCTIONALBLOCKDIAGRAM
DOCUMENTREVISIONHISTORY
3
2
TABLEOFCONTENTS 4
TABLEOFFIGURES 6
LISTOFTABLES 7
1.MIPS24KECPROCESSOR 8
1.1FEATURES 8
1.2BLOCKDIAGRAM 9
1.3MEMORYMAPSUMMARY 10
1.3INTERUPTTABLESUMMARY 11
1.4CLOCKPLAN 12
2.REGISTERS 13
2.1NOMENCLATURE 13
2.2SYSTEMCONTROL 14
2.2.1FEATURES 14
2.2.2BLOCKDIAGRAM 14
2.2.3REGISTERS 15
2.3TIMER 32
2.3.1FEATURES 32
2.3.2BLOCKDIAGRAM 32
2.3.3REGISTERS 33
2.4INTERRUPTCONTROLLER 38
2.4.1REGISTERS 38
2.5EMCCONTROLLER 46
2.5.1REGSITER 46
2.6R‐BUSCONTROLLER 63
2.6.1FEATURES 63
2.6.2BLOCKDIAGRAM 63
2.7MIPSCNT 74
2.7.1REGISTERS 74
2.8GENERALPURPOSEIO 76
2.8.1FEATURES 76
2.8.2BLOCKDIAGRAM 76
2.8.3GPIOPINMAPPING 77
2.8.4REGISTER 77
2.9SPISLAVE 91
2.9.1SPISLAVECONTROL 91
2.9.2REGSITERS 93
2.10I
2
CCONTROLLER 96
2.10.1FEATURES 96
2.10.2LISTOFREGISTERS 96
2.11I2SCONTROLLER 103
2.11.1FEATURES 103
2.11.2BLOCKDIAGRAM 103
2.11.3REGISTERS 104
MediaTekConfidential ©2014 MediaTekInc. Page4 of347
ThisdocumentcontainsinformationthatisproprietarytoMediaTekInc.
Unauthorizedreproductionordisclosureofthisinformationinwholeorinpartisstrictlyprohibited.
MT7628
ChipName
ConfidentialB
MT7628 PROGRAMMING GUIDE
2.12SPICONTROLLER 110
2.12.1FEATURES 110
2.12.2BLOCKDIAGRAM 110
2.12.3REGISTERS 110
2.13UARTLITE 121
2.13.1FEATURES 121
2.13.2REGISTERS 121
2.14PCMCONTROLLER 135
2.14.1FEATURES 135
2.14.2BLOCKDIAGRAM 135
2.14.3LISTOFREGISTERS 136
2.14.4PCMCONFIGURATION 136
2.14.5REGISTER 138
2.15GENERICDMACONTROLLER 155
2.15.1FEATURES 155
2.15.2BLOCKDIAGRAM 155
2.15.3PERIPHERALCHANNELCONNECTION 155
2.15.4REGISTERS 156
2.16AESCONTROLLER 204
2.16.1REGISTERS 204
2.17PWM(PULSEWIDTHMODULATION) 214
2.17.1REGISTERS 214
2.18FRAMEENGINE 232
2.18.1REGISTERS 232
2.19SWITCHCONTROLLER 251
2.19.1REGISTERS 251
2.20MSDC 301
2.20.1REGISTERS 301
2.21PCIEXPRESS 328
2.21.1REGISTERS 328
2.22USBHOSTCONTROLLER 336
2.22.1REGISTERS 336
3.LIST 345
MediaTekConfidential ©2014 MediaTekInc. Page5 of347
ThisdocumentcontainsinformationthatisproprietarytoMediaTekInc.
Unauthorizedreproductionordisclosureofthisinformationinwholeorinpartisstrictlyprohibited.
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