- 您现在的位置：买卖IC网 > Sheet目录317 > C8051F912DK (Silicon Laboratories Inc)KIT DEV FOR C8051F91X/C8051F90X
C8051F91x/90x
5.5. Switches and LEDs (J1, J5, J8, J15, J16)
Three push-button switches are provided on the target board. Switch SW1 (RESET) is connected to the reset pin
of the C8051F912. Pressing SW1 puts the device into its hardware-reset state. Switches SW2 (P0.2) and SW3
(P0.3) are connected to the C8051F912’s general purpose I/O (GPIO) pins through headers. Pressing SW2 or
SW3 generates a logic low signal on the port pin. Remove the shorting block from the header (J8) to disconnect the
switches from the port pins. The port pin signal is also routed to pins on the J2 and P1 I/O connectors. See Table 1
for the port pins and headers corresponding to each switch.
Two touch sensitive (contactless) switches are provided on the target board. The operation of these switches
require appropriate firmware running on the C8051F912 MCU that can sense the state of the switch.
Five power LEDs are provided on the target board to serve as indicators. Each of the two regulators has a red LED
used to indicate the presence of power at the output of the regulator. A red USB Power LED turns on when a USB
cable is plugged into the USB connector P3. One power LED is also added to each of the two primary supply nets
powering the MCU (VDD/DC+ and VBAT). The LEDs connected to the supply nets may be disabled by removing
the shorting blocks from J1 and J5.
Two LEDs are connected to GPIO pins P1.5 and P1.6 for use by application software. See Table 1 for the port pins
and headers corresponding to each LED.
A potentiometer (R15) is also provided on the target board for generating analog signals. Place a shorting block on
J16 to connect the wiper to P0.6/CNVSTR. The header J15 allows the negative terminal of the potentiometer to be
tied to GND or to P1.4. When tied to GND, the potentiometer is always enabled and will draw a measurable
amount of supply current. When tied to P1.4, it only draws current when P1.4 is driving a logic 0 and draws no
current when P1.4 is driving a logic 1.
Table 1. Target Board I/O Descriptions
Description
SW1
SW2
SW3
P1.0 (Touch Sense Switch)
P1.1 (Touch Sense Switch)
Red LED (P1.5)
Yellow LED (P1.6)
Red LED (VDD/DC+)
Red LED (VBAT)
Red LED (USB Power)
Red LED (+1 VD Power)
Red LED (+3 VD Power)
Potentiometer (R15)
I/O
Reset
P0.2
P0.3
P1.0
P1.1
P1.5
P1.6
VDD/DC+ Supply Net
VBAT Supply Net
USB VBUS
+1 VD Regulator Output
+3 VD Regulator Output
P0.6/P1.4
Rev. 0.2
Header(s)
none
J8[5–6]
J8[7–8]
none
none
J8[1–2]
J8[3–4]
J5
J1
none
none
none
J15, J16
15
发布紧急采购，3分钟左右您将得到回复。
相关PDF资料
C8051F930-TB
BOARD TARGET/PROTO W/C8051F930
C8051T610DB24
DAUGHTER BOARD T610 24QFN SOCKET
C8051T630DB20
BOARD SOCKET DAUGHTER 20-QFN
CAN-100
BOARD EVAL RS232 100QFP
CANADAPT28
KIT ADAPTER CANDEMOBOARD 28PLCC
CAT24AA01WI-GT3
IC EEPROM SERIAL 1KB I2C 8SOIC
CAT24AA02WI-G
IC EEPROM SERIAL 2KB I2C 8SOIC
CAT24C01ZI-G
IC EEPROM SERIAL 1KB I2C 8MSOP
相关代理商/技术参数
C8051F912-GDI
功能描述:8位微控制器 -MCU 16kB Flash 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
C8051F912-GM
功能描述:8位微控制器 -MCU 16KB 12ADC 24QFN
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
C8051F912-GMR
功能描述:8位微控制器 -MCU 16KB 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
C8051F912-GU
功能描述:8位微控制器 -MCU 16KB 12ADC 24QSOP
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
C8051F912-GUR
功能描述:8位微控制器 -MCU 16KB 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
C8051F912-TB
功能描述:开发板和工具包 - 8051 Prototyping Board w/C8051F930
RoHS:否 制造商:Silicon Labs 产品:Development Kits 工具用于评估:C8051F960, Si7005 核心: 接口类型:USB 工作电源电压:
C8051F920
制造商:SILABS 制造商全称:SILABS 功能描述:25 MIPS, 8 kB Flash, Ultra Low Power, Capacitive Sensing MCU
C8051F920-F-GM
制造商:Silicon Laboratories Inc 功能描述:32KB,10ADC,32PIN MCU - Rail/Tube 制造商:Silicon Laboratories Inc 功能描述:MCU 32KB FLASH 10BIT ADC 32QFN