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M 5 2 2 1 0 D E M O
U S E R
G U I D E
A U G U S T
2 1 ,
2 0 0 7
Table 1 : ACC_EN Option Header
Signal
X
Y
Z
MCU Input
AN4
AN5
AN6
In default configuration, this option header is not installed. Cut-
traces on the bottom of the PCB provide signal pathways. To iso-
late these analog inputs, simply open the cut-traces and install a
2x3, 0.1” pin header.
USER OPTIONS
The M52210DEMO includes various input and output devices to aid application development.
User I/O devices include 2 pushbutton switches, 4 green LEDs, and 1 potentiometer. The ta-
ble below summarizes user option connections on the development board.
Table 2: User Option Connections
OPTION
SW1
SW2
LED1
LED2
LED3
LED4
RV1
MCU PORT
IRQ7
IRQ1
DTIN0
DTIN1
DTIN2
DTIN3
AN0
MCU PIN
58
56
22
23
18
19
25
Pushbutton Switches
Two push button switches provide momentary, active-low input, for user applications. Pull-ups
internal to the MCU must be enabled to provide error-free switch operation.
Pushbutton
switches SW1 and SW2 are connected to MCU I/O ports IRQ7* and IRQ1* respectively.
User LED’s
Four green LED’s are provided for use in application development and debug. Each LED is
configured for active-high operation. An LED_EN option header enables indicators LED1
through LED4. A 3S buffer between the MCU port and the user LED’s provides the drive cur-
rent necessary to control the LED’s.
Figure 12: LED_EN Option Header
LED_E N
?
?
ON
User LED’s enabled active-high *
LED_EN
?
?
OFF
User LED’s disabled
* Default shipping configuration
17
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相关代理商/技术参数
M52210DEMO 制造商:Freescale Semiconductor 功能描述:MCF5221X and MCF521XX ColdFire
M52211EVB 功能描述:开发板和工具包 - COLDFIRE KIRIN 0 FULL FEATURED EV RoHS:否 制造商:Freescale Semiconductor 产品:Development Kits 工具用于评估:MCF53017 核心:ColdFire V3 接口类型:Ethernet, UART, USB 工作电源电压:12 V
M52221DEMO 功能描述:开发板和工具包 - COLDFIRE MCF52221 DEMO BOARD RoHS:否 制造商:Freescale Semiconductor 产品:Development Kits 工具用于评估:MCF53017 核心:ColdFire V3 接口类型:Ethernet, UART, USB 工作电源电压:12 V
M52221DEMO 制造商:Freescale Semiconductor 功能描述:MCF52221 Demonstration Board
M52223EVB 功能描述:开发板和工具包 - COLDFIRE MCF52223 EVALUATION BOARD RoHS:否 制造商:Freescale Semiconductor 产品:Development Kits 工具用于评估:MCF53017 核心:ColdFire V3 接口类型:Ethernet, UART, USB 工作电源电压:12 V
M52223EVB 制造商:Freescale Semiconductor 功能描述:MCF52223 EVALUATION BOAR
M5222FP 制造商:Panasonic Industrial Company 功能描述:IC
M52230DEMO 功能描述:开发板和工具包 - COLDFIRE MCF52230 LOW COST EVALUA RoHS:否 制造商:Freescale Semiconductor 产品:Development Kits 工具用于评估:MCF53017 核心:ColdFire V3 接口类型:Ethernet, UART, USB 工作电源电压:12 V