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부품번호 | S5N8947X 기능 |
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기능 | MCU for ADSL/Cable Modem | ||
제조업체 | Samsung semiconductor | ||
로고 | |||
전체 30 페이지수
S5N8947X
MCU for ADSL/Cable Modem
(Revision 0.1)
May. 23, 2000
SAMSUNG ELECTRONICS PROPRIETARY
Copyright ©1999-2000 Samsung Electronics, Inc. All Rights Reserved
S5N8947 (ADSL/Cable Modem MCU)
ELECTRONICS
1. GENERAL DESCRIPTION
Samsung's S5N8947 16/32-bit RISC microcontroller is a cost-effective, high-performance
microcontroller solution. The S5N8947 is designed as an integrated Ethernet controller for use in managed
communication hubs and routers. The S5N8947 also provides ATM Layer SAR (Segmentation and
Reassembly) function with UTOPIA interface and the full-rate USB (Universal Serial Bus) function.
The S5N8947 is built around an outstanding CPU core: the 16/32-bit ARM7TDMI RISC processor
designed by Advanced RISC Machines, Ltd. The ARM7TDMI core is a low-power, general purpose,
microprocessor macro-cell that was developed for use in application-specific and custom-specific
integrated circuits. Its simple, elegant, and fully static design is particularly suitable for cost-sensitive and
power-sensitive applications.
Important peripheral functions including an UART channel, 2-channel GDMA, two 32-bit timers, I2C bus
controller, and programmable I/O ports are supported. Built-in logic including an interrupt controller,
DRAM controller, and a controller for ROM/SRAM and flash memory are also supported. The
S5N8947’s System Manager includes an internal 32-bit system bus arbiter and an external memory
controller.
To reduce total system cost, the S5N8947 offers a unified cache, Ethernet controller, SAR and USB. Most
of the on-chip function blocks have been designed using an HDL synthesizer and the S5N8947 has been
fully verified in Samsung's state-of-the-art ASIC test environment.
MagIC Team
Page : 4
SAMSUNG ELECTRONICS
4페이지 ELECTRONICS
S5N8947 (ADSL/Cable Modem MCU)
3.2. Architecture
Integrated system for embedded Ethernet / USB / SAR
Fully 16/32-bit RISC architecture
Efficient and powerful ARM7TDMI core
Little/Big-Endian mode is supported basically, but the internal architecture is big-endian.
Cost-effective JTAG-based debug solution
Supports Boundary Scan
3.3. System Manager
8/16/32-bit external bus support for ROM/SRAM, flash memory, DRAM and external I/O
One external bus master with bus request/acknowledge pins
Supports for EDO/normal or SDRAM
Programmable access cycle
Four-word depth write buffer
Cost-effective memory-to-peripheral DMA interface
3.4. Unified Instruction/Data Cache
Two-way set-associative unified cache (4Kbytes)
Supports for LRU (least recently used) Protocol
Cache is configurable as internal SRAM
3.5. SAR/Utopia Interface
Directly supports ATM Adaptation Layer Five (AAL5) Segmentation And Reassembly
Segments and reassembles data up to 70Mbps
A glueless UTOPIA level 2 interface is supprted (for receiving and transmitting ATM cells with SAR, it
is a standard ATM interface between ATM link and physical layer).
3.6. Ethernet MAC
2 DMA engines with burst mode
Full compliance with IEEE standard 802.3
Supports MII interface (7-wire 10-Mbps interface is also supported).
SAMSUNG ELECTRONICS
Page : 7
MagIC Team
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부품번호 | 상세설명 및 기능 | 제조사 |
S5N8947 | MCU for ADSL/Cable Modem | Samsung semiconductor |
S5N8947X | MCU for ADSL/Cable Modem | Samsung semiconductor |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |