User's Manual

Table Of Contents
S3C2450X RISC MICROPROCESSOR ix
Table of Contents (Continued)
Chapter 11 I/O Ports
1 Overview ................................................................................................................................................... 11-1
2 Port Control Descriptions .......................................................................................................................... 11-9
2.1 Port Configuration Register (GPACON-GPMCON) ........................................................................ 11-9
2.2 Port Data Register (GPADAT-GPMDAT) ........................................................................................11-9
2.3 Port Pull-Up/Down Register (GPBUDP-GPMUDP)......................................................................... 11-9
2.4 Miscellaneous Control Register....................................................................................................... 11-9
2.5 External Interrupt Control Register.................................................................................................. 11-9
3 I/O Port Control Register...........................................................................................................................11-10
3.1 PORT A Control Registers (GPACON, GPADAT) .......................................................................... 11-10
3.2 PORT B Control Registers (GPBCON, GPBDAT, GPBUDP, GPBSEL) ........................................11-12
3.3 PORT C Control Registers (GPCCON, GPCDAT, GPCUDP) ........................................................ 11-14
3.4 PORT D Control Registers (GPDCON, GPDDAT, GPDUDP) ........................................................ 11-16
3.5 PORT E Control Registers (GPECON, GPEDAT, GPEUDP, GPESEL) ........................................11-18
3.6 PORT F Control Registers (GPFCON, GPFDAT, GPFUDP).......................................................... 11-20
3.7 PORT G Control Registers (GPGCON, GPGDAT, GPGUDP) ....................................................... 11-21
3.8 PORT H Control Registers (GPHCON, GPHDAT, GPHUDP) ........................................................ 11-23
3.9 PORT J Control Registers (GPJCON, GPJDAT, GPJUDP, GPJSEL) ........................................... 11-25
3.10 PORT K Control Registers (GPKCON, GPKDAT, GPKUDP)....................................................... 11-27
3.11 PORT L Control Registers (GPLCON, GPLDAT, GPLUDP, GPLSEL) ........................................ 11-29
3.12 PORT M Control Registers (GPMCON, GPMDAT, GPMUDP) ....................................................11-31
3.13 Miscellaneous Control Register (MISCCR)...................................................................................11-32
3.14 DCLK Control Regis
t
ers (DCLKCON)........................................................................................... 11-34
3.15 EXTINTn (External Interrupt Control Register n) ..........................................................................11-35
3.16 EINTFLTn (External Interrupt Filter Register n) ............................................................................ 11-40
3.17 EINTMASK (External Interrupt Mask Register)............................................................................. 11-41
3.18 EINTPEND (External Interrupt Pending Register) ........................................................................11-42
3.19 GSTATUSn (General Status Registers)........................................................................................11-43
3.20 DSCn (Drive Strength Control)......................................................................................................11-44
3.21 PDDMCON (Power Down SDRAM Control Register)................................................................... 11-48
3.22 PDSMCON (Power Down SRAM Control Register) ..................................................................... 11-49
4 GPIO Alive & Sleep Part .......................................................................................................................... 11-51