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参数资料
| 型号： | DS2250-32-16+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 14/18页 |
| 文件大小： | 0K |
| 描述： | IC MCU 32KB 16MHZ 40-SIMM |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 系列： | DS225x |
| 核心处理器： | 8051 |
| 芯体尺寸： | 8-位 |
| 速度： | 16MHz |
| 连通性： | SIO，UART/USART |
| 外围设备： | 电源故障复位，WDT |
| 输入/输出数： | 32 |
| 程序存储器类型： | SRAM |
| RAM 容量： | 32K x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 4.75 V ~ 5.25 V |
| 振荡器型： | 外部 |
| 工作温度： | 0°C ~ 70°C |
| 封装/外壳： | 40-SIMM |
| 包装： | 托盘 |
| 产品目录页面： | 703 (CN2011-ZH PDF) |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2250-32-16+ | 功能描述:模块化系统 - SOM Soft MCU Module RoHS:否 制造商:Digi International 外观尺寸:ConnectCore 9P 处理器类型:ARM926EJ-S 频率:150 MHz 存储容量:8 MB, 16 MB 存储类型:NOR Flash, SDRAM 接口类型:I2C, SPI, UART 工作电源电压:3.3 V 最大工作温度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
| DS2250-64-08 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Microcontroller |
| DS2250-64-12 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Bit Microcontroller |
| DS2250-64-16 | 功能描述:模块化系统 - SOM Soft MCU Module RoHS:否 制造商:Digi International 外观尺寸:ConnectCore 9P 处理器类型:ARM926EJ-S 频率:150 MHz 存储容量:8 MB, 16 MB 存储类型:NOR Flash, SDRAM 接口类型:I2C, SPI, UART 工作电源电压:3.3 V 最大工作温度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
| DS2250-64-16# | 功能描述:模块化系统 - SOM Soft MCU Module RoHS:否 制造商:Digi International 外观尺寸:ConnectCore 9P 处理器类型:ARM926EJ-S 频率:150 MHz 存储容量:8 MB, 16 MB 存储类型:NOR Flash, SDRAM 接口类型:I2C, SPI, UART 工作电源电压:3.3 V 最大工作温度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
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