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AT75C310 데이터시트 PDF




ATMEL Corporation에서 제조한 전자 부품 AT75C310은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 AT75C310 자료 제공

부품번호 AT75C310 기능
기능 Smart Internet Appliance Processor (SIAP)
제조업체 ATMEL Corporation
로고 ATMEL Corporation 로고


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AT75C310 데이터시트, 핀배열, 회로
Features
ARM7TDMIARM® Thumb® Processor Core
Two 16-bit Fixed-point OakDSPCore® Cores
256 x 32-bit Boot ROM
88K Bytes of Integrated Fast RAM for Each DSP
Flexible External Bus Interface with Programmable Chip Selects
Dual Codec Interface
Multi-level Priority, Individually Maskable, Vectored Interrupt Controller
Three 16-bit Timer/Counters
Additional Watchdog Timer
Two USARTs with FIFO and Modem Control Lines
Industry Standard Serial Peripheral Interface (SPI)
Up to 23 General-purpose I/O Pins
On-chip DRAM Controller
JTAG Debug Interface
Software Development Suites Available for ARM7TDMI and OakDSPCore
Supported by a Wide Range of Ready-to-use Application Software, including
Multitasking Operating System, Networking, Modems, and Voice-processing Functions
Available in 160-lead PQFP Package
3.3V Power Supply
Description
The Atmel AT75C310 Smart Internet Appliance Processor (SIAP) is a high-perfor-
mance processor specially designed for Internet appliance applications, such as
Internet telephony (Voice over Internet Protocol VoIP). The AT75C310 is built
around an ARM7TDMI microcontroller core running at 20 MIPS with two DSP co-pro-
cessors running at 40 MIPS each all three processors delivering unmatched
performance for low power consumption.
In a typical standalone VoIP phone, one DSP handles the voice-processing functions
(voice compression, acoustic echo cancellation, etc.), while the other one deals with
the telephony functions (dialing, line echo cancellation, callerID detection, high-speed
modem, etc.). In such an application, the power of the ARM7TDMI allows it to run the
VoIP protocol stack as well as all the system control tasks.
Atmel provides the AT75C310 with three levels of software modules:
a special port of the Linux kernel as the proposed operating system
a comprehensive set of tunable DSP algorithms for modems and voice processing,
specially tailored to be run by the DSP subsystems
a broad range of application-level software modules such as H323 telephony or
POP-3/SMTP e-mail services
Smart Internet
Appliance
Processor
Electrical and
Mechanical
Characteristics
AT75C310
Rev. 1370A07/00
1




AT75C310 pdf, 반도체, 판매, 대치품
Figure 3. DRAM Read Cycle (Burst Read)
NRASx
NCASx
tCSH
tRCD
tCAS
tCPRH
tCP
tCAS
tASR
tRAH
tASC
tCAH
tASC
tCAH
A
NDOE
D
tRAC
tCAC
tOEA
tAA
Table 2. DRAM Read Cycle (Burst Read) Timings
Symbol
Parameter
tCPRH
tCSH
tRCD
tCAS
tCP
tASR
tRAH
tASC
tCAH
tCAC
tOEA
tAA
tRAC
tCPA
tOHO
tDOH
RAS Hold Time from CAS Precharge
CAS Hold Time
RAS to CAS Delay Time
CAS Pulse Width
CAS Precharge Time
Row Address Setup Time
Row Address Hold Time
Column Address Setup Time
Column Address Hold Time
Access Time from CAS
Access Time from NDOE
Access Time from Column Address
Access Time from RAS
Access Time from CAS Precharge
Data Hold from NDOE
Data Hold from CAS Low
tCPA
tCAC
tAA
tDOH
tOHO
Min (ns)
48.0
61.0
41.0
20.0
19.0
1.5
22.0
15.0
21.0
0
0
Max (ns)
22.0
34.0
38.0
63.0
43.0
4 AT75C310

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AT75C310 전자부품, 판매, 대치품
Figure 6. Static Memory Read Cycle (Zero Wait State)
NCEx
tCSLCSH
AT75C310
A
NSOE
(Standard Read Mode)
tRLRH
NSOE
(Early Read Mode)
NWEx
(Byte Select Mode)
D
tCSLDV
tRLDV 2
tAVDV
tBSLDV
tRLDV1
tRHDH
tRHCSH
tRHAH
tRHBSH
Table 5. Static Memory Read Cycle (Zero Wait State) Timings
Symbol
Parameter
tCSLCSH
tRLRH
tRLDV1
Chip Select Low to Chip Select High Time
Read Strobe Low to Read Strobe High Time
Read Strobe Low to Data Valid Time Standard
Read Mode
tRLDV2
Read Strobe Low to Data Valid Time Early Read
Mode
tCSLDV
tAVDV
tBSLDV
tRHCSH
tRHAH
tRHBSH
tRHDH
Chip Select Low to Data Valid
Address Valid to Data Valid
Byte Select Low to Data Valid
Read Strobe High to Chip Select High
Address Hold after Read Strobe High
Read Strobe High to Byte Select High
Data Hold after Read Strobe High
Min (ns)
40.0
19.0
0
0
0
0
Max (ns)
6.0
27.0
25.0
24.0
26.0
7

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관련 데이터시트

부품번호상세설명 및 기능제조사
AT75C310

Smart Internet Appliance Processor (SIAP)

ATMEL Corporation
ATMEL Corporation

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