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SA-1100 Developer’s Manual vii
10.5.3 DRAM Access Followed by a Refresh Operation............................. 10-25
10.6 PCMCIA Overview........................................................................................ 10-26
10.6.1 32-Bit Data Bus Operation............................................................... 10-27
10.6.2 External Logic for PCMCIA Implementation ................................... 10-28
10.6.3 PCMCIA Interface Timing Diagrams and Parameters ..................... 10-31
10.7 Initialization of the Memory Interface............................................................. 10-34
10.7.1 Flow of Events After Reset or Exiting Sleep Mode ........................... 10-34
10.8 Alternate Memory Bus Master Mode ............................................................. 10-35
11 Peripheral Control Module.............................................................................................11-1
11.1 Read/Write Interface........................................................................................ 11-1
11.2 Memory Organization ...................................................................................... 11-2
11.3 Interrupts.......................................................................................................... 11-4
11.4 Peripheral Pins ................................................................................................ 11-5
11.5 Use of the GPIO Pins for Alternate Functions ................................................. 11-6
11.6 DMA Controller ................................................................................................ 11-7
11.6.1 DMA Register Definitions.................................................................... 11-7
11.6.1.1DMA Device Address Register (DDARn)............................... 11-8
11.6.1.2DMA Control/Status Register (DCSRn)............................... 11-11
11.6.1.3DMA Buffer A Start Address Register (DBSAn) .................. 11-12
11.6.1.4DMA Buffer A Transfer Count Register (DBTAn) ................ 11-12
11.6.1.5DMA Buffer B Start Address Register (DBSBn) .................. 11-13
11.6.1.6DMA Buffer B Transfer Count Register (DBTBn) ................ 11-13
11.6.2 DMA Operation................................................................................ 11-13
11.6.3 DMA Register List............................................................................. 11-14
11.7 LCD Controller............................................................................................... 11-16
11.7.1 LCD Controller Operation ................................................................. 11-18
11.7.1.1DMA to Memory Interface.................................................... 11-18
11.7.1.2Frame Buffer........................................................................ 11-18
11.7.1.3Input FIFO............................................................................ 11-23
11.7.1.4Lookup Palette..................................................................... 11-23
11.7.1.5Color/Gray-Scale Dithering.................................................. 11-24
11.7.1.6Output FIFO......................................................................... 11-24
11.7.1.7LCD Controller Pins............................................................. 11-25
11.7.2 LCD Controller Register Definitions.................................................. 11-25
11.7.3 LCD Controller Control Register 0.................................................... 11-26
11.7.3.1LCD Enable (LEN)............................................................... 11-26
11.7.3.2Color/Monochrome Select (CMS)........................................ 11-26
11.7.3.3Single-/Dual-Panel Select (SDS)......................................... 11-26
11.7.3.4LCD Disable Done Interrupt Mask (LDM)............................ 11-29
11.7.3.5Base Address Update Interrupt Mask (BAM)....................... 11-29
11.7.3.6Error Interrupt Mask (ERM) ................................................. 11-29
11.7.3.7Passive/Active Display Select (PAS)................................... 11-29
11.7.3.8Big/Little Endian Select (BLE).............................................. 11-31
11.7.3.9Double-Pixel Data (DPD) Pin Mode..................................... 11-31
11.7.3.10Palette DMA Request Delay (PDD) ................................... 11-31
11.7.4 LCD Controller Control Register 1.................................................... 11-34
11.7.4.1Pixels Per Line (PPL)........................................................... 11-34
11.7.4.2Horizontal Sync Pulse Width (HSW).................................... 11-34
11.7.4.3End-of-Line Pixel Clock Wait Count (ELW) ......................... 11-34
11.7.4.4Beginning-of-Line Pixel Clock Wait Count (BLW)................ 11-35
11.7.5 LCD Controller Control Register 2.................................................... 11-36