Creative SB0350 Hardware Programming Guide - Page 124
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A-10 Sound Blaster I/O Address Maps Sound Blaster 16 also uses the following I/O addresses for MPU-401 UART mode support. The base I/O address is jumper selectable for either 300h or 330h. The factory default is 330h. Base Address 300h 330h I/O Addresses Used 300h to 301h 330h to 331h Table A-16: MPU-401 I/O Ports The following table lists the functions of the I/O ports: I/O Address Base + 0h Base + 1h Base + 1h Description Data Port Status Port Command Port Access Read/Write Read Write Table A-17: MPU-401 I/O Port Functions
A-10
Sound Blaster I/O Address Maps
Sound Blaster 16 also uses the following I/O addresses for MPU-401 UART mode
support.
The base I/O address is jumper selectable for either 300h or 330h.
The
factory default is 330h.
Base Address
I/O Addresses Used
300h
300h to 301h
330h
330h to 331h
Table A-16: MPU-401 I/O Ports
The following table lists the functions of the I/O ports:
I/O Address
Description
Access
Base + 0h
Data Port
Read/Write
Base + 1h
Status Port
Read
Base + 1h
Command Port
Write
Table A-17: MPU-401 I/O Port Functions