21
GPIO Pin Use
LEDs
General information
The device server has two types of LEDs:
LEDs connected directly to GPIO pins on the processor and controlled directly
in software
LEDs connected to other hardware components (normally the Ethernet
hardware) and not directly programmable by the operating system
The development kit supplies software to control the LEDs. This behavior can often be
modified by manipulating the LED table in the BSP code. See gpio.c for details.
As with any GPIO output, the GPIO register must be properly configured in order to assert
values on the pin. The appropriate bits should be configured as:
CMODE = 0
CDIR = 1
GPIO Pin Use
Register Bit
Category
External
Interface
Description
PORTA7 - PORTA0
Reserved
NA
NA
PORTC7
Reserved
NA
NA
PORTC6
Allocated
Connected to the
red LED
Used as a power indicator (always on). It could
be reassigned as a general purpose LED. It
must remain a GPIO output for the LED to
operate correctly. The LED is lit when the
signal is a logic "high."
PORTC5
Available
Connected to the
reset button.
It should be configured as a GPIO input.
PORTC4 - PORTC0
Reserved
NA
NA
发布紧急采购，3分钟左右您将得到回复。
相关PDF资料
DG-ANT-20DB-BG-B
ANTENNA 2.4GHZ DIPOLE 2DBI 25PC
DP-2400
ANTEN PREC DIPOLE 2400-2483.5MHZ
DXP18BN5014TL
BALUN FILM 0603 870MHZ
ECT300KIT
DEVELOPMENT KIT FOR ECT300
EXB-24ABAE2RX
ATTENUATOR 10DB 200 OHM 0404 SMD
F3M-S1225
SENSOR COMB 12" WAFER 25 SLOTS
F3M-S825-1
SENSOR COMB 8" WAFER 25 SLOTS
FIREFLY-TX-IPKIT
TX BELT CLIP/O-RING TO IP67
相关代理商/技术参数
DC-ANT-E-24DP-10
功能描述:天线 30cm ext cord w/RP-SMA blkhd conn
RoHS:否 制造商:Molex 技术类型:Cellular Antenna 频率: 带宽: 尺寸:106.7 mm L x 13 mm W
DC-ANT-E-24DP-25
功能描述:天线 30cm ext cord w/RP-SMA blkhd conn
RoHS:否 制造商:Molex 技术类型:Cellular Antenna 频率: 带宽: 尺寸:106.7 mm L x 13 mm W
DC-ANT-E-24DP-50
功能描述:天线 30cm ext cord w/RP-SMA blkhd conn
RoHS:否 制造商:Molex 技术类型:Cellular Antenna 频率: 带宽: 尺寸:106.7 mm L x 13 mm W
DC-ANT-E-24DT
功能描述:天线 30cm Extension Cord w/ RP-SMA Blkhd
RoHS:否 制造商:Molex 技术类型:Cellular Antenna 频率: 带宽: 尺寸:106.7 mm L x 13 mm W
DC-ANT-E-24DT-10
功能描述:CORD EXT 30CM W/RP-SMA CONN (10) RoHS:是 类别:RF/IF 和 RFID >> RF配件 系列:- 标准包装:1 系列:*
DC-ANT-E-24DT-25
功能描述:CORD EXT 30CM W/RP-SMA CONN (25) RoHS:是 类别:RF/IF 和 RFID >> RF配件 系列:- 标准包装:1 系列:*
DC-ANT-E-24DT-50
功能描述:CORD EXT 30CM W/RP-SMA CONN (50) RoHS:是 类别:RF/IF 和 RFID >> RF配件 系列:- 标准包装:1 系列:*
DCAP1302
制造商:NEARSON 功能描述:RF Connector Antenna Accessory