MCS9990 Overview
Read Only RW Read Write RWC Read/Write 1 to clear RW1 Read or Write 1 to set WO Write Only RC Read on clear 3 Copyright © 2009-2015 ASIX Electronics Corporation. MCS9990 PCIe to 4-Port USB 2.0 Host Controller Table of Contents 1. INTRODUCTION .......................................................................................................................
MCS9990 Key Features
- A word is 16 bits wide
- A double word or Dword is 32 bits wide
- [x] Denotes the bit position in the register. [0] bit is the least significant position
- Base 16 numbers are denoted with a lowercase ‘h’ following a number or with a ‘0x’ preceding a number
- Base 10 numbers are denoted with the absence of the above notation
- PU is pull-up on I/O pad
- PD is pull-down on I/O pad
- DS is Drive Strength in milli Amperes (mA)
- N/A is Not Applicable
- PROG is Programmable