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参数资料
| 型号： | C8051F206-TB |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 6/12页 |
| 文件大小： | 0K |
| 描述： | BOARD PROTOTYPING W/C8051F206 |
| 标准包装： | 1 |
| 类型： | MCU |
| 适用于相关产品： | C8051F206 |
| 所含物品： | 板 |
C8051F2xx-DK
6.1. System Clock Sources
The C8051F2xx device installed on the target board features a internal oscillator which is enabled as the system
clock source on reset. After reset, the internal oscillator operates at a frequency of 2MHz (+/-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 crystal may be installed on the target board for additional
applications. The target board is designed to facilitate the installation of an external crystal at the pads marked Q1.
Refer to the C8051F2xx datasheet for more information on configuring the system clock source. Following are a
few part numbers of suitable crystals:
Freq(MHz)
Digikey P/N
ECS P/N
22.1184
18.432
11.0592
X063-ND
X146-ND
X089-ND
ECS-221-20-1
ECS-184-20-1
ECS-110.5-20-1
(20 pF loading capacitance)
(20 pF loading capacitance)
(20 pF loading capacitance)
6.2. Switches and LEDs
Two switches are provided on the target board. Switch SW1 is connected to the RESET pin of the C8051F2xx
device on the target board. Pressing SW1 puts the device into its hardware-reset state. The device will leave the
reset state after SW1 is released. Switch SW2 is connected to the device’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 J2 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 device’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 J2 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
P2.5
P2.4
PWR
Header
none
P2.5
LED
none
6.3. Target Board JTAG Interface (J4)
The JTAG connector (J4) provides access to the JTAG pins of the C8051F2xx. 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
6
Pin #
1
2, 3, 9
4
5
6
7
8, 10
Description
+3VD (+3.3VDC)
GND (Ground)
TCK
TMS
TDO
TDI
Not Connected
Rev. 0.6
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| C8051F220-GQ | 功能描述:8位微控制器 -MCU 8KB 8ADC 48P 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 |
| C8051F220-GQR | 功能描述:8位微控制器 -MCU 8KB 8ADC 48Pin MCU 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 |
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| C8051F221 | 功能描述:8位微控制器 -MCU 8KB 8ADC 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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