Cirrus Logic EP93 Series User Manual page 12

Arm 9 embedded processor family
Table of Contents

Advertisement

EP93xx User's Guide
Chapter 20. Real Time Clock With Software Trim ............................................ 20-1
20.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20-1
20.1.1 Software Trim ..............................................................................................................20-1
20.1.1.1 Software Compensation ............................................................................20-2
20.1.1.2 Oscillator Frequency Calibration................................................................20-2
20.1.1.3 RTCSWComp Value Determination ..........................................................20-2
20.1.1.6 Real-Time Interrupt....................................................................................20-3
20.1.2 Reset Control...............................................................................................................20-4
20.1 Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20-4
2
Chapter 21. I
S Controller................................................................................... 21-1
21.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21-1
2
21.2 I
S Transmitter Channel Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21-2
2
S Receiver Channel Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21-5
21.3.1 Receiver FIFO's...........................................................................................................21-6
2
S Master Clock Generation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21-7
2
S Bit Clock Rate Generation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21-9
21.5.1 Example of the Bit Clock Generation...........................................................................21-9
21.5.2 Example of Right Justified LRCK format ...................................................................21-10
21.6 Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21-10
21.7 Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21-12
2
21.7.1 I
S TX Registers........................................................................................................21-12
2
S RX Registers .......................................................................................................21-19
2
S Configuration and Status Registers.....................................................................21-25
2
S Global Status Registers.......................................................................................21-29
Chapter 22. AC'97 Controller.............................................................................. 22-1
22.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22-1
22.2 Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22-3
22.2.1 Channel Interrupts .......................................................................................................22-3
22.2.1.1 RIS.............................................................................................................22-3
22.2.1.2 TIS .............................................................................................................22-3
22.2.1.3 RTIS...........................................................................................................22-4
22.2.1.4 TCIS...........................................................................................................22-4
22.2.2 Global Interrupts ..........................................................................................................22-4
22.2.2.1 CODECREADY .........................................................................................22-4
22.2.2.2 WINT..........................................................................................................22-4
22.2.2.3 GPIOINT ....................................................................................................22-4
22.2.2.4 GPIOTXCOMPLETE .................................................................................22-5
22.2.2.5 SLOT2INT..................................................................................................22-5
22.2.2.6 SLOT1TXCOMPLETE ...............................................................................22-5
22.2.2.7 SLOT2TXCOMPLETE ...............................................................................22-5
22.3 System Loopback Testing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22-5
22.4 Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22-5
Chapter 23. Synchronous Serial Port ................................................................ 23-1
23.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23-1
23.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23-1
23.3 SSP Functionality. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23-2
23.4 SSP Pin Multiplex. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23-2
xii
©
Copyright 2007 Cirrus Logic, Inc.
DS785UM1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the EP93 Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

This manual is also suitable for:

Ep9315Ep9301Ep9302Ep9307Ep9312

Table of Contents