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參數(shù)資料
| 型號： | DS2250-32-16 |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 14/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MICROCNTRLR 32X8 16MHZ 40SIMM |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1 |
| 系列： | DS225x |
| 核心處理器： | 8051 |
| 芯體尺寸： | 8-位 |
| 速度： | 16MHz |
| 連通性： | SIO，UART/USART |
| 外圍設(shè)備： | 電源故障復(fù)位，WDT |
| 輸入/輸出數(shù)： | 32 |
| 程序存儲器類型： | SRAM |
| RAM 容量： | 32K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 4.75 V ~ 5.25 V |
| 振蕩器型： | 外部 |
| 工作溫度： | 0°C ~ 70°C |
| 封裝/外殼： | 40-SIMM |
| 包裝： | 托盤 |
| 其它名稱： | DS22503216 |
DS2250(T)
5 of 18
PROGRAM LOADING
The Program Load Modes allow initialization of the NV RAM Program/Data Memory. This initialization
may be performed in one of two ways:
1. Serial Program Loading which is capable of performing Bootstrap Loading of the DS2250(T). This
feature allows the loading of the application program to be delayed until the DS2250(T) is installed in
the end system.
2. Parallel Program Load cycles which perform the initial loading from parallel address/data information
presented on the I/O port pins. This mode is timing set-compatible with the 87C51H microcontroller
programming mode.
The DS2250(T) is placed in its Program Load configuration by simultaneously applying a logic 1 to the
RST pin and forcing the PSEN line to a logic 0 level. Immediately following this action, the DS2250(T)
will look for a parallel Program Load pulse, or a serial ASCII carriage return (0DH) character received at
9600, 2400, 1200, or 300 bps over the serial port.
The hardware configurations used to select these modes of operation are illustrated in Figure 3.
PROGRAM LOADING CONFIGURATIONS Figure 3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2250-32-16+ | 功能描述:模塊化系統(tǒng) - SOM Soft MCU Module RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲容量:8 MB, 16 MB 存儲類型:NOR Flash, SDRAM 接口類型:I2C, SPI, UART 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
| DS2250-64-08 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller |
| DS2250-64-12 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| DS2250-64-16 | 功能描述:模塊化系統(tǒng) - SOM Soft MCU Module RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲容量:8 MB, 16 MB 存儲類型:NOR Flash, SDRAM 接口類型:I2C, SPI, UART 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
| DS2250-64-16# | 功能描述:模塊化系統(tǒng) - SOM Soft MCU Module RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲容量:8 MB, 16 MB 存儲類型:NOR Flash, SDRAM 接口類型:I2C, SPI, UART 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
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