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Contents - Freescale Semiconductor

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<strong>Contents</strong><br />

Paragraph<br />

Number Title<br />

MPC8306 PowerQUICC II Pro Integrated Communications Processor Family Reference Manual, Rev. 0<br />

Page<br />

Number<br />

12.3 External Signal Description ........................................................................................... 12-4<br />

12.4 Memory Map/Register Definition ................................................................................. 12-5<br />

12.4.1 DMA System Address Register (DSADDR)............................................................. 12-7<br />

12.4.2 Block Attributes Register (BLKATTR)..................................................................... 12-7<br />

12.4.3 Command Argument Register (CMDARG) .............................................................. 12-8<br />

12.4.4 Transfer Type Register (XFERTYP).......................................................................... 12-9<br />

12.4.5 Command Response 0–3 (CMDRSP0–3)................................................................ 12-12<br />

12.4.6 Buffer Data Port Register (DATPORT) ................................................................... 12-14<br />

12.4.7 Present State Register (PRSSTAT) .......................................................................... 12-14<br />

12.4.8 Protocol Control Register (PROCTL) ..................................................................... 12-18<br />

12.4.9 System Control Register (SYSCTL)........................................................................ 12-21<br />

12.4.10 Interrupt Status Register (IRQSTAT)....................................................................... 12-24<br />

12.4.11 Interrupt Status Enable Register (IRQSTATEN) ..................................................... 12-28<br />

12.4.12 Interrupt Signal Enable Register (IRQSIGEN) ....................................................... 12-31<br />

12.4.13 Auto CMD12 Error Status Register (AUTOC12ERR)............................................ 12-33<br />

12.4.14 Host Controller Capabilities (HOSTCAPBLT) ....................................................... 12-35<br />

12.4.15 Watermark Level Register (WML).......................................................................... 12-36<br />

12.4.16 Force Event Register (FEVT).................................................................................. 12-36<br />

12.4.17 Host Controller Version Register (HOSTVER)....................................................... 12-38<br />

12.4.18 DMA Control Register (DCR)................................................................................. 12-38<br />

12.5 Functional Description................................................................................................. 12-38<br />

12.5.1 Data Buffer .............................................................................................................. 12-39<br />

12.5.2 DMA CSB Interface ................................................................................................ 12-41<br />

12.5.3 SD Protocol Unit...................................................................................................... 12-42<br />

12.5.4 Clock & Reset Manager........................................................................................... 12-44<br />

12.5.5 Clock Generator....................................................................................................... 12-44<br />

12.5.6 SDIO Card Interrupt ................................................................................................ 12-44<br />

12.5.7 Card Insertion and Removal Detection.................................................................... 12-46<br />

12.5.8 Power Management ................................................................................................. 12-46<br />

12.6 Initialization/Application Information......................................................................... 12-47<br />

12.6.1 Command Send and Response Receive Basic Operation........................................ 12-47<br />

12.6.2 Card Identification Mode......................................................................................... 12-48<br />

12.6.3 Card Access ............................................................................................................. 12-52<br />

12.6.4 Switch Function ....................................................................................................... 12-57<br />

12.6.5 Commands for MMC/SD/SDIO .............................................................................. 12-60<br />

12.7 Software Restrictions................................................................................................... 12-65<br />

12.7.1 Initialization Active ................................................................................................. 12-65<br />

12.7.2 Software Polling Procedure ..................................................................................... 12-65<br />

12.7.3 Suspend Operation................................................................................................... 12-65<br />

12.7.4 Data Port Access...................................................................................................... 12-65<br />

12.7.5 Multi-block Read ..................................................................................................... 12-65<br />

x <strong>Freescale</strong> <strong>Semiconductor</strong>

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