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参数资料
| 型号： | DS80C400-FNY+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 47/97页 |
| 文件大小： | 0K |
| 描述： | IC MCU 75MHZ 16MB HP 100-LQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 90 |
| 系列： | 80C |
| 核心处理器： | 8051 |
| 芯体尺寸： | 8-位 |
| 速度： | 75MHz |
| 连通性： | 1 线，CAN，EBI/EMI，以太网，SIO，UART/USART |
| 外围设备： | 电源故障复位，WDT |
| 输入/输出数： | 64 |
| 程序存储器容量： | 64KB（64K x 8） |
| 程序存储器类型： | ROM |
| RAM 容量： | 1K x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 1.62 V ~ 3.6 V |
| 振荡器型： | 外部 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 100-LQFP |
| 包装： | 托盘 |
| 配用： | DS80C400-KIT#-ND - EVAL KIT FOR DS80C400 |
| 其它名称： | DS80C400+FNY DS80C400+FNY+ DS80C400+FNY+-ND DS80C400+FNY-ND |
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DS80C400 Network Microcontroller
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aborted. The BCU incorporates a 31 x 8 first-in-first-out receive packet register (receive FIFO) so that the CPU can
access information for the next receive packet in queue. Upon reception of each valid packet into receive buffer
memory, the BCU writes a receive status word into the first word of the receive packet starting page, updates the
receive FIFO, and notifies the CPU by setting an interrupt flag. The CPU can access the receive FIFO by reading
the BCUD SFR. Bits 4–0 of the data read from BCUD contain the starting page address and bits 7, 6, 5 reflect the
number of pages occupied by the packet.
For a transmit operation, the tasks performed by the BCU are similar. The CPU first provides size/location
information of the transmit packet to the BCU. This is accomplished by three consecutive writes to the BCUD SFR.
The first write specifies the MSB of the 11-bit byte count for the transmit packet, the second gives the LSB of the
11-bit byte count, and the third provides the starting page address for the packet. Note that at page 31 of the
transmit buffer, the next consecutive page is page (n). The CPU issues a transmit request to the BCU, which then
communicates this request to the MAC. Once started, the BCU reads data from transmit buffer memory and feeds
the data to the MAC for presentation on the MII. This process continues until the transaction is complete or the
transmission is aborted. The BCU then writes a transmit status word back to transmit buffer memory and notifies
the CPU by setting the interrupt flag. Transmit buffer management should be handled by the application code.
Command/Status (CSR) Registers
The CSR registers are essential in defining the operational characteristics of the Ethernet controller. The CSR
registers contain the following key items:
MAC physical address
Transmit, receive, and flow control settings for the MAC
Multicast hash table used by the address check block
Filter mode and good/bad frame controls for the address check block
VLAN tag identifiers
Wake-up frame filter
Register interface for serial MII PHY management bus
Each CSR register is 32-bits wide and is accessible using the BCUC, CSRA, CSRD SFR interface described in the
Buffer Control Unit section. To program a CSR register, the application code must provide data (CSRD) and
address (CSRA) for the target register before issuing the ‘Write CSR Register’ command to the BCU. When
performing a CSR register read, the application code provides the address (CSRA), issues the ‘Read CSR
Register’ command to the BCU, and then may unload the data (CSRD). The sequences below illustrate the correct
procedures for writing and reading the CSR registers.
CSR Register Write
Load CSRD with MSB of 32-bit word to be written.
Load CSRD with LSB + 2 of the 32-bit word to be written.
Load CSRD with LSB + 1 of the 32-bit word to be written.
Load CSRD with LSB of the 32-bit word to be written.
Load CSRA with address of the CSR register to be written.
Issue the ‘Write CSR Register’ command to the BCU by writing BCUC.3–BCUC.0 = 1000b.
CSR Register Read
Load CSRA with address of the CSR register to be read.
Issue the ‘Read CSR Register’ command to the BCU by writing BCUC.3–BCUC.0 = 1001b.
Wait until the BCU busy bit (BCUC.7) = 0.
Unload CSRD for the MSB of the 32-bit word.
Unload CSRD for the LSB + 2 of the 32-bit word.
Unload CSRD for the LSB + 1 of the 32-bit word.
Unload CSRD for the LSB of the 32-bit word.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS80C400-FNY+ | 功能描述:8位微控制器 -MCU Network MCU RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| DS80C400-KIT | 功能描述:EVAL KIT FOR DS80C400 RoHS:否 类别:编程器，开发系统 >> 通用嵌入式开发板和套件（MCU、DSP、FPGA、CPLD等） 系列:- 产品培训模块:Blackfin® Processor Core Architecture Overview Blackfin® Device Drivers Blackfin® Optimizations for Performance and Power Consumption Blackfin® System Services 特色产品:Blackfin? BF50x Series Processors 标准包装:1 系列:Blackfin® 类型:DSP 适用于相关产品:ADSP-BF548 所含物品:板，软件，4x4 键盘，光学拨轮，QVGA 触摸屏 LCD 和 40G 硬盘 配用:ADZS-BFBLUET-EZEXT-ND - EZ-EXTENDER DAUGHTERBOARDADZS-BFLLCD-EZEXT-ND - BOARD EXT LANDSCAP LCD INTERFACE 相关产品:ADSP-BF542BBCZ-4A-ND - IC DSP 16BIT 400MHZ 400CSBGAADSP-BF544MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542KBCZ-6A-ND - IC DSP 16BIT 600MHZ 400CSBGAADSP-BF547MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF548BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF547BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF544BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF542BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGA |
| DS80C400-KIT# | 功能描述:开发板和工具包 - 8051 RoHS:否 制造商:Silicon Labs 产品:Development Kits 工具用于评估:C8051F960, Si7005 核心: 接口类型:USB 工作电源电压: |
| DS80C410 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Network Microcontrollers with Ethernet and CAN |
| DS80C410_09 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Network Microcontrollers with Ethernet and CAN |
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