Interface Masters Technologies Inc. Confidential & Proprietary
TAHOE 8824 User Guide
Rev: 01
09/18/2017 Page 19 OF 34
2.10 PBus interface
The CN83xx has a general purpose parallel address/data bus interface called PBus.
The PBus has 32 address/data lines and can support up to eight connected devices with its
eight chip selects.
The TAHOE 8824 has the CPLD connected to the PBus and the PBus interface is
the main communication channel between the CPU and the CPLD.
Figure 13, TAHOE 8824 PBus Functional Diagram