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參數(shù)資料
| 型號： | DS80C400-FNY |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 95/97頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU 75MHZ 16MB HP 100-LQFP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS |
| 產(chǎn)品變化通告： | Product Discontinuation 20/Feb/2012 |
| 標準包裝： | 90 |
| 系列： | 80C |
| 核心處理器： | 8051 |
| 芯體尺寸： | 8-位 |
| 速度： | 75MHz |
| 連通性： | 1 線，CAN，EBI/EMI，以太網(wǎng)，SIO，UART/USART |
| 外圍設(shè)備： | 電源故障復(fù)位，WDT |
| 輸入/輸出數(shù)： | 64 |
| 程序存儲器容量： | 64KB（64K x 8） |
| 程序存儲器類型： | ROM |
| RAM 容量： | 1K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 1.62 V ~ 3.6 V |
| 振蕩器型： | 外部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 100-LQFP |
| 包裝： | 托盤 |
| 配用： | DS80C400-KIT#-ND - EVAL KIT FOR DS80C400 |
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DS80C400 Network Microcontroller
95 of 97
source to exit stop mode, resuming operation in less than 100ns. After 65,536 oscillations of the external clock
source (not the ring oscillator), the device clears the ring oscillator mode bit, RGMD (EXIF.2), to indicate that the
device has switched from the ring oscillator to the external clock source.
The ring oscillator runs at approximately 15MHz, but varies over temperature and voltage. As a result, no serial
communication or precision timing should be attempted while running from the ring oscillator, since the operating
frequency is not precise. Likewise, the Ethernet and CAN controllers derive their timing from the system clock and
should not be enabled until RGMD = 0. The reset (default) state of the RGSL bit is logic 0, which does not result in
use of the ring oscillator to exit stop mode.
EMI Reduction
One of the major contributors to radiated noise in an 8051-based system is the toggling of ALE. The microcontroller
allows software to disable ALE when not used by setting the ALEOFF (PMR.2) bit to a 1. When ALEOFF = 1, ALE
automatically toggles during off-chip program and data memory accesses. However, ALE remains static when
performing on-chip memory access. The default state of ALEOFF is 0, so ALE normally toggles at a frequency of
XTAL/4.
Software Breakpoint Mode
The DS80C400 provides a special software-breakpoint mode for code-debug purposes. Breakpoint mode can be
enabled by setting the BPME bit (ACON.4) to a logic 1. Once enabled, the A5h op code can be used to create a
break in code execution. When the break op code (A5h) is executed, all clocks to the timer 0, 1, 2, 3, and watchdog
timer blocks are stopped and any serial port operation (when derived from a timer) is halted. Additionally, the state
machine controlling access to timed-access-protected SFRs is suspended. Much like an interrupt, the CPU
generates a hardware LCALL and vector to address location 000083h. Unlike an interrupt, however, the return
address is not pushed onto the stack, but is placed into the BPA1 (LSB), BPA2 (MSB), and BPA3 (XSB) SFRs, and
the A5h op code is used to exit breakpoint mode and return to the address contained in the BPA3:1 SFRs.
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相關(guān)代理商/技術(shù)參數(shù) |
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| 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 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| DS80C400-KIT | 功能描述:EVAL KIT FOR DS80C400 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 通用嵌入式開發(fā)板和套件（MCU、DSP、FPGA、CPLD等） 系列:- 產(chǎn)品培訓(xùn)模塊:Blackfin® Processor Core Architecture Overview Blackfin® Device Drivers Blackfin® Optimizations for Performance and Power Consumption Blackfin® System Services 特色產(chǎn)品:Blackfin? BF50x Series Processors 標準包裝:1 系列:Blackfin® 類型:DSP 適用于相關(guān)產(chǎn)品:ADSP-BF548 所含物品:板，軟件，4x4 鍵盤，光學(xué)撥輪，QVGA 觸摸屏 LCD 和 40G 硬盤 配用:ADZS-BFBLUET-EZEXT-ND - EZ-EXTENDER DAUGHTERBOARDADZS-BFLLCD-EZEXT-ND - BOARD EXT LANDSCAP LCD INTERFACE 相關(guān)產(chǎn)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:開發(fā)板和工具包 - 8051 RoHS:否 制造商:Silicon Labs 產(chǎn)品:Development Kits 工具用于評估:C8051F960, Si7005 核心: 接口類型:USB 工作電源電壓: |
| DS80C410 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Network Microcontrollers with Ethernet and CAN |
| DS80C410_09 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Network Microcontrollers with Ethernet and CAN |
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