Cirrus Logic ARM CDB89712, Руководство пользователя

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CDB89712
2-2 DS502UM2
2.3 DOCUMENT CONVENTIONS
2.3.1 Terms and Definitions
Table 2-1 contains the acronyms, abbreviations, and terms used in this User’s Manual.
Acronym /
Abbreviation
Definition
ADC Analog-to-Digital Converter
Angel ARM Toolkit target debug monitor software
ARM Advanced RISC Machines. This is the architecture of the microprocessor at the heart of the
CS89712.
CODEC Coder/decoder (usually a combination of ADC and DAC).
DAC Digital to Analog Converter
DAI Digital Audio Interface
FIFO First In First Out.
FLASH Electrically Erasable Read Only Memory
GUI Graphical User Interface.
I
2
C
Stands for "I-squared-C" which is a low-speed serial communication standard
I
2
S
Stands for "I-squared-S" which is a serial audio data communication standard
Ice_boot Program that initializes SDRAM interface, MMU and cache. Preloaded on CDB89712 Flash mem-
ory. Used with Green Hills Multi and Wiggler.
IrDA Infrared Data Association
JTAG Joint Test Action Group
LCD Liquid Crystal Display
MMU Memory Management Unit.
NAND Not And (opposite of logical And)
PWM Pulse Width Modulation
RTC Real-Time-Clock. This clock maintains time/date information, and in the case of the CS89712 is
Y2K compliant.
SDRAM Synchronous Dynamic Random Access Memory. Only kind of DRAM that can be used with
CS89712.
Smart Media Alternate name for SSFDC
SSFDC Solid State Floppy Disk Card, a standard for NAND Flash based non-volatile storage cards.
TPE Twisted Pair Ethernet
UART Universal Asynchronous Receiver and Transmitter
USB Universal Serial Bus. This is a high-speed serial interface intended for interfacing scanners, print-
ers, joysticks and other devices to a PC
Table 2-1. Terms and Definitions