Sun Microsystems manual SBus Addresses, S16A ROM

Page 31

S16A User’s Guide

Registers

SBus Addresses

The addresses listed in the figure below are offsets from the SBus slot base address. Obtain the SBus base address from the SBus host documentation. The following sections describe the S16A registers in detail.

0x0006.0000		reserved
. . .
. . .		not used

0x0004.00C4		uart_data

0x0004.00C0		uart_csr
. . .
. . .		not used

0x0004.0080		dac_ctrl
. . .
. . .		not used

0x0004.0044		dio_data

0x0004.0040		dio_dir

0x0004.003C		nxt_cnt_ctl_3

0x0004.0038		cur_cnt_3

0x0004.0034		nxt_dma_add_3

0x0004.0030		cur_dma_add_3
. . .
. . .		. . .

0x0004.000C		nxt_cnt_ctl_0

0x0004.0008		cur_cnt_0

0x0004.0004		nxt_dma_add_0

0x0004.0000		cur_dma_add_0
. . .
. . .		not used

0x0002.0008	xpg_stat	not used

0x0002.0004	xpg_din	not used

0x0002.0000	xpg_reg	not used
. . .
. . .		not used
0x0000.FFFC
0x0000.FFFC
		S16A ROM
0x0000.0000

Byte

Word

0		1	2		3

	0			1

Figure 1. S16A SBus Addresses

EDT, Inc. October, 1996

Image 31

Contents S16A EDT, Inc. October Contents Tables Overview Using SunOS Version InstallationInstalling the Hardware Installing the SoftwareS16A User’s Guide Installation Building the Sample Programs Using System V Release 4 Solaris 2.4 or LaterReadme Included FilesElements of S16A Applications Input and OutputRoutine Description DMA Library RoutinesGeneral DMA Library Routines Arguments S16abufferaddressesS16A-specific Library Routines SyntaxS16acancelcurrent S16acancelS16achecknextbuffer S16aclose Arguments S16aconfigureringbuffersS16agetdaccontrolreg S16adoneS16agetdiodirectionreg S16agetdiodataregS16aopen S16agetoutputbitsS16aserialread S16areadS16aserialwrite S16aserialstrS16asetdaccontrolreg S16asetdefaultsS16asetdiodirectionreg S16asetdiodataregS16astartbuffers S16asetoutputbitsS16awaitforbuffer S16astopbuffersS16awrite S16awaitfornextbufferFoiparityerror Error ConditionsError Codes and Conditions Electrical Interface Hardware InterfaceSignal S16A I/O Description Interface SignalsS16A Interface Signals Pin Signal Connector PinoutConnector Pinout Registers S16A ROM SBus AddressesCurrent DMA Address Registers DMA RegistersNext DMA Address Registers Control and Next Count Registers Current Count RegistersDIO Data Register Direct I/O RegistersDAC Output Control Register DIO Direction RegisterAnalog Input Module Internal Registers Analog Input Module Internal RegistersDAC Output Control Register Name DescriptionInput Clock Prescale Registers Input Configuration RegistersTrim Registers Trim Output Offset Registers Trim RegistersInput Gain High Byte Values Trim Register UseTrim Input Gain Registers Temperature RegisterAnalog Input Module Uart Registers Analog Input Module Control ProtocolRead from a Clock Prescale Register Write to an Input Configuration RegisterRead from an Input Configuration Register Write to a Clock Prescale RegisterWrite to a Trim Register Uart Command/Status RegisterRead the Temperature Register Uart Command/Status RegisterUart Data Register Xilinx Programming RegistersSpecifications References Contacting EDT 15-16 IndexConfiguration ROM