DIL/NetPC DNP/1110: Expansion Bus Mapping

Most of the 8-bit Expansion Bus pins of the DNP/1110 are direct connected to signals of the Intel StrongARM SA-1110 microcontroller. The following table shows the mapping and the remarks.

DNP/1110 Expansion Bus Mapping
Pin	Name	Function	SA-1110 Signal	Remarks
40	INT5	Interrupt Input 5	GP4	-
41	INT4	Interrupt Input 4	GP3	-
42	INT3	Interrupt Input 3	GP2	-
43	INT2	Interrupt Input 2	GP1	-
44	INT1	Interrupt Input 1	GP0	-
45	CS4	Chip Select Output 4	-	Source is a 74HC138
46	CS3	Chip Select Output 3	-	Source is a 74HC138
47	CS2	Chip Select Output 2	-	Source is a 74HC138
48	CS1	Chip Select Output 1	-	Source is a 74HC138
49	RDY	External Ready Input	nPWAIT	Also on-board use, wired OR with LANC
50	RD	Read Signal	nPIOR	Also on-board use for LANC
51	WR	Write Signal	nPIOW	Also on-board use for LANC
52	SA3	Address Bit 3	A3	Also on-board use for LANC and other
53	SA2	Address Bit 2	A2	Also on-board use for LANC and other
54	SA1	Address Bit 1	A1	Also on-board use for LANC and other
55	SA0	Address Bit 0	A0	Also on-board use for LANC and other
56	SD7	Data Bit 7	D7	Also on-board use for LANC and other
57	SD6	Data Bit 6	D6	Also on-board use for LANC and other
58	SD5	Data Bit 5	D5	Also on-board use for LANC and other
59	SD4	Data Bit 4	D4	Also on-board use for LANC and other
60	SD3	Data Bit 3	D3	Also on-board use for LANC and other
61	SD2	Data Bit 2	D2	Also on-board use for LANC and other
62	SD1	Data Bit 1	D1	Also on-board use for LANC and other
63	SD0	Data Bit 0	D0	Also on-board use for LANC and other