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| 型號(hào)： | 20-101-1138 |
| 廠商： | Rabbit Semiconductor |
| 文件頁(yè)數(shù)： | 57/124頁(yè) |
| 文件大小： | 0K |
| 描述： | RCM4300 RABBITCORE |
| 產(chǎn)品培訓(xùn)模塊： | WiFi Authentication |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | RabbitCore® |
| 模塊/板類型： | MPU 核心模塊 |
| 適用于相關(guān)產(chǎn)品： | RCM4300 |
| 其它名稱： | 316-1141 |
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RabbitCore RCM4300 User’s Manual
38
4.2.3 Programming Port
The RCM4300 is programmed via the 10-pin header labeled J1. The programming port
uses the Rabbit 4000’s Serial Port A for communication. Dynamic C uses the programming
port to download and debug programs.
Serial Port A is also used for the following operations.
Cold-boot the Rabbit 4000 on the RCM4300 after a reset.
Fast copy designated portions of flash memory from one Rabbit-based board (the
master) to another (the slave) using the Rabbit Cloning Board.
In addition to Serial Port A, the Rabbit 4000 startup-mode (SMODE0, SMODE1),
STATUS, and reset pins are available on the programming port.
The two startup-mode pins determine what happens after a reset—the Rabbit 4000 powers
up in the asynchronous serial bootstrap/triplet mode with the programming cable attached,
and in the clocked serial bootstrap/triplet mode without it. In the Run Mode, where the pro-
gramming cable is not attached, the PIC microcontroller at U6 loads an initial loader that
is stored on its internal flash to the RCM4300 SRAM. The PIC microcontroller communi-
cates with the Rabbit 4000 in the clocked serial bootstrap/triplet mode to load this loader,
then tells the Rabbit 4000 to exit the bootstrap mode and run the loader in SRAM, where-
upon the loader loads the BIOS from the serial flash to the RCM4300 SRAM and runs it.
The BIOS then loads the rest of the program from the serial flash and runs it.
The status pin is used by Dynamic C to determine whether a Rabbit microprocessor is
present. The status output has three different programmable functions:
1. It can be driven low on the first op code fetch cycle.
2. It can be driven low during an interrupt acknowledge cycle.
3. It can also serve as a general-purpose output once a program has been downloaded and
is running.
The reset pin is an external input that is used to reset the Rabbit 4000.
Alternate Uses of the Programming Port
All three Serial Port A signals are available as
a synchronous serial port
an asynchronous serial port, with the clock line usable as a general CMOS I/O pin
The programming port may also be used as a serial port once the application is running.
The SMODE pins may then be used as inputs and the status pin may be used as an output.
Once the application code is running, the application must then manage sharing Serial Port A
with the programming port (for example, disconnecting the external serial device during
programming and debugging). The SMODE and STATUS pins are similarly not available
during boot-up in order to allow the program to load.
Refer to the Rabbit 4000 Microprocessor User’s Manual for more information.
相關(guān)PDF資料 |
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|---|---|
| 305-030-521-201 | CONN CARDEDGE 30POS .156 GREEN |
| 20-101-1051 | MODULE RABBITCORE RCM3365 |
| 305-030-520-204 | CONN CARDEDGE 30POS .156 GREEN |
| 20-101-1196 | MODULE RABBITCORE RCM3900 |
| 20-101-1105 | MODULE RCM4100 RABBITCORE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 20-101-1139 | 功能描述:模塊化系統(tǒng) - SOM RCM4310 RABBITCORE 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(chǔ)容量:8 MB, 16 MB 存儲(chǔ)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 |
| 20-101-1140 | 功能描述:WiFi/802.11模塊 RCM4400W CORE MODULE Wi-Fi/802.11 RoHS:否 制造商:Taiyo Yuden 支持協(xié)議:802.11 b/g/n 頻帶: 數(shù)據(jù)速率:150 Mbps 接口類型:SDIO 傳輸功率（最大）: 天線連接器類型: 工作電源電壓:3.4 V to 5.5 V 傳輸供電電流: 接收供電電流: 最大工作溫度:+ 80 C 尺寸:35 mm x 15 mm x 2.9 mm |
| 20-101-1153 | 功能描述:子卡和OEM板 RCM4300 Proto board RoHS:否 制造商:BeagleBoard by CircuitCo 產(chǎn)品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| 20-101-1154 | 功能描述:模塊化系統(tǒng) - SOM RCM4120 RabbitCore- 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(chǔ)容量:8 MB, 16 MB 存儲(chǔ)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 |
| 20-101-1170 | 功能描述:Zigbee/802.15.4模塊 RCM4510W CORE MODULE RoHS:否 制造商:Digi International 頻帶:902 MHz to 928 MHz 視線范圍: 數(shù)據(jù)速率: 靈敏度: 工作電源電壓:2.4 V to 3.6 V 傳輸供電電流:215 mA 接收供電電流:26 mA 輸出功率:250 mW 天線連接器類型:Wire 最大工作溫度:+ 85 C 尺寸:32.94 mm x 22 mm x 2.03 mm |
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