Intel SA-1100 manual Sclk

Peripheral Control Module

Bit	Name		Description
7..0	LDD<7:0	LCD data pin direction.
	>	0	– If LCD controller disabled, LCD data pin configured as general-purpose input.
		1	– If LCD controller disabled, LCD data pin configured as general-purpose output.
8	L_PCLK	LCD pixel clock pin direction.
		0	– If LCD controller disabled, LCD pixel clock pin configured as general-purpose input.
		1	– If LCD controller disabled, LCD pixel clock pin configured as general-purpose output.
9	L_LCLK	LCD line clock pin direction.
		0	– If LCD controller disabled, LCD line clock pin configured as general-purpose input.
		1	– If LCD controller disabled, LCD line clock pin configured as general-purpose output.
10	L_FCLK	LCD frame clock pin direction.
		0	– If LCD controller disabled, LCD frame clock pin configured as general-purpose input.
		1	– If LCD controller disabled, LCD frame clock pin configured as general-purpose output.
11	L_BIAS	LCD AC bias pin direction.
		0	– If LCD controller disabled, LCD ac bias pin configured as general-purpose input.
		1	– If LCD controller disabled, LCD ac bias pin configured as general-purpose output.
12	TXD1	Serial port 1: SDLC/UART transmit pin direction.
		0	– If serial port 1 transmitter disabled, transmit pin configured as general-purpose input.
		1	– If serial port 1 transmitter disabled, transmit pin configured as general-purpose output.
13	RXD1	Serial port 1: SDLC/UART receive pin direction.
		0	– If serial port 1 receiver disabled, receive pin configured as general-purpose input.
		1	– If serial port 1 receiver disabled, receive pin configured as general-purpose output.
14	TXD2	Serial port 2: IPC transmit pin direction.
		0	– If serial port 2 transmitter disabled, transmit pin configured as general-purpose input.
		1	– If serial port 2 transmitter disabled, transmit pin configured as general-purpose output.
15	RXD2	Serial port 2: IPC receive pin direction.
		0	– If serial port 2 receiver disabled, receive pin configured as general-purpose input
		1	– If serial port 2 receiver disabled, receive pin configured as general-purpose output
16	TXD3	Serial port 3: UART transmit pin direction.
		0	– If serial port 3 transmitter disabled, transmit pin configured as general-purpose input
		1	– If serial port 3 transmitter disabled, transmit pin configured as general-purpose output
17	RXD3	Serial port 3: UART receive pin direction.
		0	- If serial port 3 receiver disabled, receive pin configured as general-purpose input.
		1	- If serial port 3 receiver disabled, receive pin configured as general-purpose output.
18	TXD4	Serial port 4: MCP/SSP transmit pin direction.
		0	- If serial port 4 disabled, transmit pin configured as general-purpose input.
		1	- If serial port 4 disabled, transmit pin configured as general-purpose output.
19	RXD4	Serial port 4: MPC/SSP receive pin direction.
		0	– If serial port 4 disabled, receive pin configured as general-purpose input.
		1	– If serial port 4 disabled, receive pin configured as general-purpose output.
20	SCLK	Serial port 4: MPC/SSP serial clock pin direction.
		0	– If serial port 4 disabled, serial clock pin configured as general-purpose input.
		1	– If serial port 4 disabled, serial clock pin configured as general-purpose output.
21	SFRM	Serial port 4: MPC/SSP serial frame pin direction.
		0	– If serial port 4 disabled, serial frame pin configured as general-purpose input.
		1	– If serial port 4 disabled, serial frame pin configured as general-purpose output.
31..22	—	Reserved.

11-186 SA-1100 Developer’s Manual