Preliminary
I/O PORTS
S3C2451X RISC MICROPROCESSOR
11-2
Table 11-1. S3C2451X Port Configuration (Sheet 1)
Port A
Selectable Pin Functions
GPA27 Output
only
nWE_CF
–
–
GPA26 Output
only
DQM3
–
GPA25 Output
only
DQM2
–
–
GPA24 Output
only
RSMAVD
–
–
GPA23 Output
only
RSMCLK
–
–
GPA22 Output
only
nFCE
–
–
GPA21 Output
only
nRSTOUT
–
–
GPA20 Output
only
nFRE
–
–
GPA19 Output
only
nFWE
–
–
GPA18 Output
only
ALE
–
–
GPA17 Output
only
CLE
–
–
GPA16 Output
only
nRCS5
–
–
GPA15 Output
only
nRCS4
–
–
GPA14 Output
only
nRCS3
–
–
GPA13 Output
only
nRCS2
–
–
GPA12 Output
only
nRCS1
–
–
GPA11 Output
only
nOE_CF
–
–
GPA10 RDATA_OEN
RADDR25
–
–
GPA9 Output
only RADDR24
–
–
GPA8 Output
only RADDR23
–
–
GPA7 Output
only RADDR22
–
–
GPA6 Output
only RADDR21
–
–
GPA5 Output
only RADDR20
–
–
GPA4 Output
only RADDR19
–
–
GPA3 Output
only RADDR18
–
–
GPA2 Output
only RADDR17
–
–
GPA1 Output
only RADDR16
–
–
GPA0 Output
only
RADDR0
–
–