
Applied Micro Circuits Corporation
6195 Lusk Blvd., San Diego, CA 92121 (619) 450-9333
10-2
S5933
PCI CONTROLLER
DEVICE SPECIFICATION
10. MAILBOX OVERVIEW................................................................................................... 10-3
10.1 FUNCTIONAL DESCRIPTION ........................................................................................................... 10-3
10.1.1 Mailbox Empty/Full Conditions ................................................................................................ 10-4
10.1.2 Mailbox Interrupts .................................................................................................................... 10-4
10.1.3 Add-On Outgoing Mailbox 4, Byte 3 Access ............................................................................ 10-4
10.2 BUS INTERFACE ............................................................................................................................... 10-5
10.2.1 PCI Bus Interface .................................................................................................................... 10-5
10.2.2 Add-On Bus Interface .............................................................................................................. 10-5
10.2.2.1 8-Bit and 16-Bit Add-On Interfaces ............................................................................ 10-5
10.3 CONFIGURATION .............................................................................................................................. 10-6
10.3.1 Mailbox Status ......................................................................................................................... 10-6
10.3.2 Mailbox Interrupts .................................................................................................................... 10-7
CONTENTS