Chapter 6: Board Interfaces Reference; Introduction; Location Of Major Connectors Discussed In This Chapter; Major Interfaces - Cirrus Logic ARM CDB89712 User Manual

Chapter 6: Board Interfaces Reference

6.1 INTRODUCTION

This chapter describes the connectors and headers that allow you to connect the CS89712
Development Board to your host PC and to connect the board to a variety of peripheral devices. It
also describes the jumpers and settings that allow you to control the operating mode of these
interfaces. Refer to the board layout in
Major Board Components Identified,"
components.

6.2 LOCATION OF MAJOR CONNECTORS DISCUSSED IN THIS CHAPTER

Table 6-1 describes the purpose of the connectors on the CS89712 Development Board and how they
are labeled on the board.
Location
J1
J3
J8 Serial Port 0
J9 Serial Port 1
JP10 JTAG-14
JP21 JTAG-20

6.3 MAJOR INTERFACES

6.3.1

Serial Port Interfaces

The CS89712 is equipped with two UARTs. Both UARTs support data rate up to 115kbps and have
16 byte FIFO on both receive and transmit channels. UART0 also supports the IrDA protocol, which
can be enabled under software control.
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
Figure 4-3, "Layout of CS89712 Development Board with
for the exact location of the CS89712 Development Board
Name
POWER
10BASE-T

Table 6-1. Description of Connectors

Description
Power Supply
Ethernet
UART0
UART1
14 pin connector for ICE using JTAG port
20 pin connector for ICE using JTAG port
Copyright  Cirrus Logic, Inc. 2000
(All Rights Reserved)
CDB89712
JUL '01
DS502UM2