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1 Overview....................................................................................................................................................10-1
2 Port Control Descriptions ..........................................................................................................................10-9
2.1 Port Configuration Register (GPACON-GPMCON).........................................................................10-9
2.2 Port Data Register (GPADAT-GPMDAT) ........................................................................................10-9
2.3 Port Pull-Up/Down Register (GPBUDP-GPMUDP) .........................................................................10-9
2.4 Miscellaneous Control Register .......................................................................................................10-9
2.5 External Interrupt Control Register ..................................................................................................10-9
3 I/O Port Control Register ...........................................................................................................................10-10
3.1 PORT A Control Registers (GPACON, GPADAT)...........................................................................10-10
3.2 PORT B Control Registers (GPBCON, GPBDAT, GPBUDP, GPBSEL).........................................10-12
3.3 PORT C Control Registers (GPCCON, GPCDAT, GPCUDP) ........................................................10-14
3.4 PORT D Control Registers (GPDCON, GPDDAT, GPDUDP) ........................................................10-16
3.5 PORT E Control Registers (GPECON, GPEDAT, GPEUDP, GPESEL).........................................10-18
3.6 PORT F Control Registers (GPFCON, GPFDAT, GPFUDP) ..........................................................10-20
3.7 PORT G Control Registers (GPGCON, GPGDAT, GPGUDP)........................................................10-21
3.8 PORT H Control Registers (GPHCON, GPHDAT, GPHUDP) ........................................................10-23
3.9 PORT J Control Registers (GPJCON, GPJDAT, GPJUDP, GPJSEL)............................................10-25
3.10 PORT K Control Registers (GPKCON, GPKDAT, GPKUDP) .......................................................10-27
3.11 PORT L Control Registers (GPLCON, GPLDAT, GPLUDP, GPLSEL).........................................10-29
3.12 PORT M Control Registers (GPMCON, GPMDAT, GPMUDP).....................................................10-31
3.13 Miscellaneous Control Register (MISCCR) ...................................................................................10-32
3.14 DCLK Control Registers (DCLKCON) ...........................................................................................10-34
3.15 EXTINTn (External Interrupt Control Register n)...........................................................................10-35
3.16 EINTFLTn (External Interrupt Filter Register n).............................................................................10-40
3.17 EINTMASK (External Interrupt Mask Register) .............................................................................10-41
3.18 EINTPEND (External Interrupt Pending Register).........................................................................10-42
3.19 GSTATUSn (General Status Registers) ........................................................................................10-43
3.20 DSCn (Drive Strength Control) ......................................................................................................10-44
3.21 PDDMCON (Power Down SDRAM Control Register) ...................................................................10-48
3.22 PDSMCON (Power Down SRAM Control Register)......................................................................10-49
4 GPIO Alive & Sleep Part ..........................................................................................................................10-51
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(Continued)
S3C2416X RISC MICROPROCESSOR
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