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Intel® PXA255 Processor Developer’s Manual
Contents
4-49
GPIO Register Addresses .......................................................................................................4-44
4-50
Interrupt Controller Register Addresses ..................................................................................4-45
4-51
RTC Register Addresses.........................................................................................................4-45
4-52
OS Timer Register Addresses.................................................................................................4-45
4-53
Pulse Width Modulator Register Addresses ............................................................................4-46
5-1
DMAC Signal List ......................................................................................................................5-2
5-2
Channel Priority (if all channels are running concurrently) ........................................................5-4
5-3
Channel Priority .........................................................................................................................5-4
5-4
Priority Schemes Examples.......................................................................................................5-5
5-5
DMA Quick Reference for Internal Peripherals .......................................................................5-13
5-6
DINT Bit Definitions .................................................................................................................5-17
5-7
DCSRx Bit Definitions..............................................................................................................5-18
5-8
DRCMRx Bit Definitions ..........................................................................................................5-20
5-9
DDADRx Bit Definitions ...........................................................................................................5-21
5-10
DSADRx Bit Definitions ...........................................................................................................5-22
5-11
DTADRx Bit Definitions ...........................................................................................................5-23
5-12
DCMDx Bit Definitions .............................................................................................................5-24
5-13
DMA Controller Register Summary .........................................................................................5-28
6-1
Device Transactions ..................................................................................................................6-7
6-2
MDCNFG Bit Definitions............................................................................................................6-9
6-3
MDMRS Bit Definitions ............................................................................................................6-12
6-4
MDMRSLP Register Bit Definitions .........................................................................................6-14
6-5
MDREFR Bit Definitions ..........................................................................................................6-15
6-6
Sample SDRAM Memory Size Options ...................................................................................6-18
6-7
External to Internal Address Mapping for Normal Bank Addressing .......................................6-19
6-8
External to Internal Address Mapping for SA-1111 Addressing ..............................................6-21
6-9
Pin Mapping to SDRAM Devices with Normal Bank Addressing.............................................6-23
6-10
Pin Mapping to SDRAM Devices with SA1111 Addressing.....................................................6-25
6-11
SDRAM Command Encoding ..................................................................................................6-28
6-12
SDRAM Mode Register Opcode Table....................................................................................6-28
6-13
SXCNFG Bit Definitions...........................................................................................................6-33
6-14
SXCNFG..................................................................................................................................6-36
6-15
Synchronous Static Memory External to Internal Address Mapping Options ..........................6-37
6-16
SXMRS Bit Definitions.............................................................................................................6-38
6-17
Read Configuration Register Programming Values.................................................................6-40
6-18
Frequency Code Configuration Values Based on Clock Speed ..............................................6-40
6-20
16-Bit Bus Write Access ..........................................................................................................6-44
6-19
32-Bit Bus Write Access ..........................................................................................................6-44
6-21
32-Bit Byte Address Bits MA[1:0] for Reads Based on DQM[3:0] ...........................................6-45
6-22
16-Bit Byte Address Bit MA[0] for Reads Based on DQM[1:0] ................................................6-45
6-23
SA-1111 Register Bit Definitions .............................................................................................6-45
6-24
MSC0/1/2 Bit Definitions..........................................................................................................6-47
6-25
Asynchronous Static Memory and Variable Latency I/O Capabilities......................................6-50
6-26
MCMEM0/1 Bit Definitions.......................................................................................................6-60
6-27
MCATT0/1 Bit Definitions ........................................................................................................6-61
6-28
MCIO0/1 Bit Definitions ...........................................................................................................6-61
6-29
Card Interface Command Assertion Code Table.....................................................................6-62
6-30
MECR Bit Definition.................................................................................................................6-63
6-31
Common Memory Space Write Commands ............................................................................6-65
6-32
Common Memory Space Read Commands............................................................................6-65
