参数资料
型号: AT91SAM9X25-EK
厂商: Atmel
文件页数: 91/95页
文件大小: 0K
描述: KIT EVAL FOR AT91SAM9G25
标准包装: 1
系列: AT91SAM
类型: MCU
适用于相关产品: AT91SAM9X25
所含物品: 板,线缆,电源
Evaluation Kit Hardware
4.4.3.3
Back Light
The back light voltage is generated from a CP2122ST boost converter. It is powered directly by the DC
5V from the EK board. The back light level is controlled by a PWM signal generated from the MPU
Device processor.
Figure 4-57. Back Light Control
5V_INTER
L1
22uH
880mA
5V/217mA
C7
10u
10V
D1
RB160M-60
60V/1A
24.5V/40mA VLED+
C9
2.2u
50V
LCDPWM
5
4
MN1
VIN
SHDN#
SW
GND
FB
1
2
3
CP2122ST
R40
10k
300mV
R41
VLED-
2 x 7 LEDs Back Light
2*20mA, 24.5V
7R5
4.4.3.4
QTouch
The DM board carries a QTouch device piloted through a TWI interface. It manages four capacitive
touch buttons directly printed on the PCB.
There are dual footprints for the QTouch device, and SOIC is the default mounted one.
Figure 4-58. QTouch
3V3_LCD
MN5
3V3_LCD
R63 R56 R57 R58
DNP DNP
3V3_LCD
C14
100n
C16
100n
TWD0
RESET#
CHANGE#
TWCK0
1
2
3
4
5
6
7
VDD
MODE(VSS)
SDA
RESET
CHANGE
SCL
KEY 6
VSS
KEY 0
KEY 1
KEY 2
KEY 3
KEY 4
KEY 5
14
13
12
11
10
9
8
R65
R66
R67
R68
4.7k
4.7k
4.7k
4.7k
MN4
QT1070_SOIC
DNP
10k 4.7k 4.7k 4.7k
TWCK0
TWD0
CHANGE#
RESET#
15
12
14
13
6
7
10
18
19
20
SCL
SDA
CHANGE KEY 6
RESET KEY 5
QT1070 KEY 4
NC5 KEY 3
NC4 KEY 2
NC3 KEY 1
NC2 KEY 0
NC1
NC0
16
17
1
2
3
4
5
KEY 4
KEY 3
KEY 2
KEY 1
R59
R60
R61
R62
4.7k DNP
4.7k DNP
4.7k DNP
4.7k DNP
KEY K4
KEY K3
KEY K2
KEY K1
4-80
11115A–ATARM–27-Jul-11
Evaluation Kit (EK) User Guide
相关PDF资料
PDF描述
AT91SAM9G25-EK KIT EVAL FOR AT91SAM9G25
V300C15C75BG3 CONVERTER MOD DC/DC 15V 75W
AIUR-06-332K INDUCTOR POWER 3300UH 10% T/H
AFK227M63H32T-F CAP ALUM 220UF 63V 20% SMD
V300C15C75BG2 CONVERTER MOD DC/DC 15V 75W
相关代理商/技术参数
参数描述
AT91SAM9X35-CU 功能描述:微处理器 - MPU BGA GRN IND TMP MRLA RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324
AT91SAM9X35-CU-999 制造商:Atmel Corporation 功能描述:BGA,GREEN,IND TEMP,MRLA,T&R - Tape and Reel 制造商:Atmel Corporation 功能描述:IC MCU ARM9 ROM 217BGA 制造商:Atmel Corporation 功能描述:Microprocessors - MPU BGAGREENIND TEMPMRLA
AT91SAM9X35-EK 功能描述:开发板和工具包 - ARM EVAL KIT SAM9X35 RoHS:否 制造商:Arduino 产品:Development Boards 工具用于评估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口类型:DAC, ICSP, JTAG, UART, USB 工作电源电压:3.3 V
AT91SAM9XE128 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:AT91 ARM Thumb Microcontrollers
AT91SAM9XE128_09 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:AT91 ARM Thumb Microcontrollers