S3C2440 데이터 시트보기 (PDF) - Samsung

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S3C2440

32-BIT CMOS MICROCONTROLLER

Samsung 

Table of Contents (Continued)

Chapter 19 MMC/SD/SDIO Controller

Features .............................................................................................................................................19-1

Block Diagram ....................................................................................................................................19-1

SD Operation ......................................................................................................................................19-2

SDIO Operation...................................................................................................................................19-3

SDI Special Registers ..........................................................................................................................19-4

SDI Control Register (SDICON).....................................................................................................19-4

SDI Baud Rate Prescaler Register (SDIPRE) .................................................................................19-4

SDI Command Argument Register (SDICmdArg).............................................................................19-5

SDI Command Control Register (SDICmdCon)................................................................................19-5

SDI Command Status Register (SDICmdSta) .................................................................................19-6

SDI Response Register 0 (SDIRSP0) ............................................................................................19-6

SDI Response Register 1 (SDIRSP1) ............................................................................................19-6

SDI Response Register 2 (SDIRSP2) ............................................................................................19-7

SDI Response Register 3 (SDIRSP3) ............................................................................................19-7

SDI Data / Busy Timer Register (SDIDTimer)..................................................................................19-7

SDI Block Size Register (SDIBSize)..............................................................................................19-7

SDI Data Control Register (SDIDatCon) .........................................................................................19-8

SDI Data Remain Counter Register (ADIDatCnt).............................................................................19-9

SDI Data Status Register (ADIDatSta)...........................................................................................19-9

SDI FIFO Status Register (SDIFSTA)............................................................................................19-10

SDI Interrupt Mask Register (SDIIntMsk)........................................................................................19-11

SDI Data Register (SDIDAT) .........................................................................................................19-12

Chapter 20 IIC-Bus Interface

Overview .............................................................................................................................................20-1

IIC-Bus Interface..........................................................................................................................20-3

Start and Stop Conditions ............................................................................................................20-3

Data Transfer Format ...................................................................................................................20-4

ACK Signal Transmission.............................................................................................................20-5

Read-Write Operation ..................................................................................................................20-6

Bus Arbitration Procedures...........................................................................................................20-6

Abort Conditions..........................................................................................................................20-6

Configuring IIC-Bus ......................................................................................................................20-6

Flowcharts of Operations in Each Mode.........................................................................................20-7

IIC-Bus Interface Special Registers .......................................................................................................20-11

Multi-Master IIC-Bus Control (IICCON) Register ..............................................................................20-11

Multi-Master IIC-Bus Control/Status (IICSTAT) Register...................................................................20-12

Multi-Master IIC-Bus Address (IICADD) Register.............................................................................20-13

Multi-Master IIC-Bus Transmit/Receive Data Shift (IICDS) Register...................................................20-13

Multi-Master IIC-Bus Line Contro l(IICLC) Register ..........................................................................20-14

S3C2440A MICROCONTROLLER

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