Samsung S3C6400X, User Manual, Page: 24 / 1189

PRELIMINARY
S3C6400
RISC MICROPROCESSOR PRODUCT OVERVIEW
1-21
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
Pin Description
1.1.18.1 External Memory Interface
•
Shared Memory Port (SROMC / OneNAND / NAND / ATA / DRAM0)
I/O Function
Signal
0 1 2 3 4 5 6 0 1 2 3 4 5 6
Xm0DQM[1:0]
O O O O O nBE 2’b11 2’b11 2’b11 DQM
Xm0CSn[1:0]
O nCS
Xm0CSn[3:2]
O O O IO I nCS nCS nCS GPO[1:0] EINT7[1:0]
Xm0CSn[5:4]
O O IO I nCS nCS GPO[3:2] EINT7[3:2]
Xm0CSn[7:6]
O IO I nCS GPO[5:4] EINT7[5:4]
Xm0ADDR[5:0]
O O O O O ADDR 6’h0 6’h0 ADDR ADDR
Xm0ADDR[10:6]
O O O O O ADDR 5’h0 5’h0 ADDR ADDR GPO[10:6] EINT7[10:6]
Xm0ADDR[15:11]
O O O O O ADDR 5’h0 5’h0 5’h0 ADDR GPO[15:11] EINT7[15:11]
Xm0OEn
O O O O O nOE nOE 1’b1 nIORD_CF 1’b1
Xm0WEn
O O O O O nWE nWE 1’b1 nIOWR_CF 1‘b1
Xm0ADRVALID
O IO I nADDRVALID GPP[0] EINT8[0]
Xm0SMCLK
O IO I SMCLK GPP[1] EINT8[1]
Xm0DATA[15:0]
IO IO IO IO IO DATA DATA DATA DATA DATA
Xm0WAITn
I I IO I RDY IORDY GPP[2] EINT8[2]
Xm0RDY0_ALE
I O IO I RDY ALE GPP[3] EINT8[3]
Xm0RDY1_CLE
I O IO I RDY CLE GPP[4] EINT8[4]
Xm0INTsm0_FWEn
I O IO I INT FWEn GPP[5] EINT8[5]
Xm0INTsm1_FREn
I O IO I INT FREn GPP[6] EINT8[6]
Xm0RPn_RnB
O I IO I
RP
RnB GPP[7] EINT8[7]
Xm0RASn
O IO I RAS GPQ[0] EINT9[0]
Xm0CASn O IO I CAS GPQ[1] EINT9[1]
Xm0SCLK
IO IO I SCLK GPQ[2] EINT9[2]
Xm0SCLKn
O IO I SCLKn GPQ[3] EINT9[3]
Xm0CKE
O IO I SCKE GPQ[4] EINT9[4]
Xm0DQS[1:0]
IO IO I DQS GPQ[6:5] EINT9[6:5]
Xm0WEndmc
O IO I WEn GPQ[7] EINT9[7]
Xm0AP
O IO I AP GPQ[8] EINT9[8]