Intel IXP45X manual BitDevice, Network Processors, Byte Access, Bit-WordAccess, Intel IXP46X

General Hardware Design Considerations—Intel®IXP45X and Intel® IXP46X Product Line of Network Processors

Figure 3. 8/16/32-Bit Device Interface: No Byte-Enable

EX_DATA[31:0]	EX_DATA[7:0]	DATA[7:0]
Intel® IXP46X		8-Bit Device
Product Line of
Network Processors		Byte Access
EX_ADDR[24:0]	EX_ADDR[24:0]	ADDR[24:0]
EX_CS_N	CS	CS_N
EX_RD_N	OE	OE_N
EX_WR_N	WR	WR_N
EX_DATA[31:0]	EX_DATA[15:0]	DATA[15:0]
Intel® IXP46X		16-Bit Device
Product Line of
Network Processors		16-Bit-Word Access
EX_ADDR[24:0]	EX_ADDR[24:0]	ADDR[24:0]
EX_CS_N	CS	CS_N
EX_RD_N	OE	OE_N
EX_WR_N	WR	WR_N
EX_DATA[31:0]	EX_DATA[31:0]	DATA[31:0]
Intel® IXP46X		32-Bit Device
Product Line of
Network Processors		32-Bit-Word Access
EX_ADDR[24:0]	EX_ADDR[24:0]	ADDR[24:0]
EX_CS_N	CS	CS_N
EX_RD_N	OE	OE_N
EX_WR_N	WR	WR_N
		B4095-002

	Intel® IXP45X and Intel® IXP46X Product Line of Network Processors
February 2007	HDD
Document Number: 305261; Revision: 004	25