Epson S1C33L03 manual 499

	VI SDRAM CONTROLLER BLOCK: SDRAM INTERFACE
			A-1
S1C33		128M SDRAM
		(2M x 16 bits x 4 banks)
SDA11(A12)		A11
SDA10(P33)		A10
SDA[9:0](A[10:1])		A[9:0]
SDBA[1:0](A[15:14])		BA[1:0]
D[15:0]		DQ[15:0]
BCLK		CLK
SDCKE(P20)		CKE
#SDCE0(#CE7)		#CS
#SDCE1(#CE8)
#SDCAS(#HCAS)		#CAS
#SDRAS(#LCAS)		#RAS
#SDWE(P21)		#WE
HDQM(P32)		DQMU
LDQM(P15)		DQML
		128M SDRAM
		(2M x 16 bits x 4 banks)
		A11
		A10
		A[9:0]
		BA[1:0]
		DQ[15:0]
		CLK
		CKE
		#CS
		#CAS
		#RAS
		#WE
		DQMU
		DQML

Figure 2.3 Connecting two 16-bit SDRAMs (32MB)

S1C33		128M SDRAM
		(4M x 8 bits x 4 banks)
SDA[12:11](A[13:12])		A[12:11]
SDA10(P33)		A10
SDA[9:0](A[10:1])		A[9:0]
SDBA[1:0](A[15:14])		BA[1:0]
D[7:0]		DQ[7:0]
BCLK		CLK
SDCKE(P20)		CKE
#SDCE0/1(#CE7/8)		#CS
#SDCAS(#HCAS)		#CAS
#SDRAS(#LCAS)		#RAS
#SDWE(P21)		#WE
LDQM(P15)		DQM
	For little endian
S1C33		128M SDRAM
		(4M x 8 bits x 4 banks)
SDA[12:11](A[13:12])		A[12:11]
SDA10(P33)		A10
SDA[9:0](A[10:1])		A[9:0]
SDBA[1:0](A[15:14])		BA[1:0]
D[15:8]		DQ[7:0]	B-VI
BCLK		CLK
SDCKE(P20)		CKE
#SDCE0/1(#CE7/8)		#CS
#SDCAS(#HCAS)		#CAS	SDRAM
#SDRAS(#LCAS)		#RAS
#SDWE(P21)		#WE
HDQM(P32)		DQM

For big endian

Figure 2.4 Connecting an 8-bit SDRAM (16MB)

S1C33L03 FUNCTION PART EPSON B-VI-2-3