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参数资料
| 型号： | C8051F040-TB |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 8/16页 |
| 文件大小： | 0K |
| 描述： | BOARD PROTOTYPING W/C8051F040 |
| 标准包装： | 1 |
| 类型： | MCU |
| 适用于相关产品： | C8051F040 |
| 所含物品： | 板 |
C8051F04x-DK
6.1. System Clock Sources
The C8051F040 device installed on the target board features a calibrated programmable internal oscillator which is
enabled as the system clock source on reset. After reset, the internal oscillator operates at a frequency of
3.0625 MHz (±2%) by default but may be configured by software to operate at other frequencies. Therefore, in many
applications an external oscillator is not required. However, an external 22.1184 MHz crystal is installed on the target
board for additional applications. Refer to the C8051F04x data sheet for more information on configuring the system
clock source.
6.2. Switches and LEDs
Two switches are provided on the target board. Switch SW1 is connected to the RESET pin of the C8051F040.
Pressing SW1 puts the device into its hardware-reset state. Switch SW2 is connected to the C8051F040’s general
purpose I/O (GPIO) pin through headers. Pressing SW2 generates a logic low signal on the port pin. Remove the
shorting block from the header to disconnect SW2 from the port pins. The port pin signal is also routed to a pin on
the J24 I/O connector. See Table 1 for the port pins and headers corresponding to each switch.
Two LEDs are also provided on the target board. The red LED labeled PWR is used to indicate a power connection
to the target board. The green LED labeled with a port pin name is connected to the C8051F040’s GPIO pin
through headers. Remove the shorting block from the header to disconnect the LED from the port pin. The port pin
signal is also routed to a pin on the J24 I/O connector. See Table 1 for the port pins and headers corresponding to
each LED.
Table 1. Target Board I/O Descriptions
Description
SW1
SW2
Green LED
Red LED
I/O
Reset
P3.7
P1.6
PWR
Header
none
J1
J3
none
6.3. Target Board JTAG Interface (J4)
The JTAG connector (J4) provides access to the JTAG pins of the C8051F040. It is used to connect the Serial
Adapter or the USB Debug Adapter to the target board for in-circuit debugging and Flash programming. Table 2
shows the JTAG pin definitions.
Table 2. JTAG Connector Pin Descriptions
8
Pin #
1
2, 3, 9
4
5
6
7
8, 10
Description
+3 VD (+3.3 VDC)
GND (Ground)
TCK
TMS
TDO
TDI
Not Connected
Rev. 0.6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| C8051F040-TB-K | 功能描述:BOARD PROTOTYPING W/C8051F040 制造商:silicon labs 系列:- 零件状态:在售 板类型:评估平台 类型:MCU 8-位 核心处理器:8051 操作系统:- 平台:- 配套使用产品/相关产品:C8051F04x 安装类型:固定 内容:板 标准包装:1 |
| C8051F041 | 功能描述:8位微控制器 -MCU 64KB 12ADC 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 |
| C8051F041-GQ | 功能描述:8位微控制器 -MCU 64KB 12ADC CAN 64P 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 |
| C8051F041-GQR | 功能描述:8位微控制器 -MCU 64KB 12ADC CAN 64Pin Tape and Reel 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 |
| C8051F041R | 功能描述:8位微控制器 -MCU ADC 12/64Pin 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 |
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