參數(shù)資料
型號(hào)： STPCI2
英文描述： STPC ATLAS DATASHEET / X86 CORE PC COMPATIBLE SYSTEM-ON-CHIP FOR TERMINALS
中文描述： STPC阿特拉斯部件/ x86內(nèi)核PC兼容的系統(tǒng)單芯片貨柜碼頭
文件頁(yè)數(shù)： 22/71頁(yè)
文件大?。?/td> 1071K
代理商： STPCI2
PIN DESCRIPTION
22/69
Issue 2.4 - February 11, 2002
2.2.13 MONITOR INTERFACE
RED, GREEN, BLUE
RGB Video Outputs. These
are the three analog color outputs from the RAM-
DACs. These signals are sensitive to interference,
therefore they need to be properly shielded.
VSYNC
Vertical Synchronisation Pulse. This is
the vertical synchronization signal from the VGA
controller.
HSYNC
Horizontal Synchronisation Pulse. This is
the horizontal synchronization signal from the
VGA controller.
VREF_DAC
DAC Voltage reference. This pin is
an input driving the digital to analog converters.
This allows an external voltage reference source
to be used.
RSET
Resistor Current Set. This is the reference
current input to the RAMDAC. Used to set the full-
scale output of the RAMDAC.
COMP
Compensation. This is the RAMDAC com-
pensation pin. Normally, an external capacitor
(typically 10nF) is connected between this pin and
V
DD
to damp oscillations.
DDC[1:0]
Direct Data Channel Serial Link. These
bidirectional pins are connected to CRTC register
3Fh to implement DDC capabilities. They conform
to I
2
C electrical specifications, they have open-
collector output drivers which are internally con-
nected to V
DD
through pull-up resistors.
They can instead be used for accessing I2C devic-
es on board. DDC1 and DDC0 correspond to SCL
and SDA respectively.
2.2.14 FLAT PANEL INTERFACE SIGNALS
(Combined with Serial 1)
FPFRAME,
Vertical Sync. pulse Output.
FPLINE,
Horizontal Sync. Pulse Output.
DE,
Data Enable.
R5-0,
Red Output.
G5-0,
Green Output.
B5-0,
Blue Output.
ENAVDD
Enable VDD of Flat Panel.
ENVCC
Enable VCC of Flat Panel.
PWM
PWM Back-Light Control.
2.2.15 MISCELLANEOUS
SPKRD
Speaker Drive. This is the output to the
speaker and is the AND of the counter 2 output
with bit 1 of Port 61h and drives an external speak-
er driver. This output should be connected to a
7407 type high voltage driver.
SCAN_ENABLE
Reserved This pin is reserved
for Test and Miscellaneous functions. It has to be
set to ‘0’ or connected to ground in normal opera-
tion.
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STPCI2HEYC 功能描述:微處理器 - MPU 133MHz x86 SoC RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
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