Table of Contents
Advertisement
Section 6 Power Management and System Configuration
6.1
Overview
The System Power Management and Configuration registers control the functionality of Module
Standby mode, Bus gating, Wait states, Peripheral Clock Control, Module Software Reset and Test
Mode. Each module in the HD64465 is provided with the STANDBY mode. All peripheral module
functions are halted in the STANDBY mode; thereby reducing the power consumption. The Bus
gating control is used with STANDBY mode for further power saving capability The Hardware
external wait cycle inserted by CPU interface module is an option to extend data read/write cycles.
The system registers are described in details below:
6.2
Features
• Support STANDBY mode for each peripheral module
• All peripheral clocks can be halted
• Provide CPU interface input signals and GPIO pins gated function
• Flexible selection of peripheral functions
• Provide an Debug port for system bus test
Rev. 3.0, 03/01, page 51 of 390
Advertisement
Table of Contents
