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16 Chapter 1
Audio Codec and Amplifier
LAN Interface
Keyboard
Pixel Pitch (mm) 0.2175
Typical White Luminance (cd/m
2
)
also called Brightness
200
Contrast Ratio 500:1
Response Time (Optical Rise
Time/Fall Time) msec
10
Typical Power Consumption
(watt)
2.5
Weight (without inverter) 180
Physical Size (mm) 235.5 x 143.5 x 5.2
Electrical Interface LVDS
Viewing Angle (degree)
Horizontal (Right) CR = 10 (Left)
Vertical (Upper) CR = 10 (Lower)
45/45
20/45
Item Specification
Audio
Controller
REALTEK ALC272X-GR
Features • Two stereo DAC support 16/20/24-bit PCM for two independent playback (multiple
streaming)
• Two stereo ADC supports 16/20/24-bit PCM format for two independent recording
• All DACs support independent 44.1k/48k/96k/192kHz sample rate
• All ADCs support independent 44.1k/48k/96k/192kHz sample rate
• Two independent SPDIF outputs support 16/20/24-bit format and 44.1k/48k/88.2k/
96k/192kHz rate
• Supports line level mono output
• Supports analog PCBEEP input, and features an integrated digital BEEP
generator
• Support two stereo digital microphone input for microphone array AEC/BF
application
• Supports legacy analog mixer architecture
• Supports two GPIO (General Purpose Input/Output) pins (pin sharing with digital
microphone interface)
• Supports EAPD (External Amplifier Power Down) control for external amplifier
• Supports anti-pop mode when analog power AVDD is on and digital power is off
• Supports 1.5V~3.3V scalable I/O for HD Audio link
• 48-pin LQFP ‘Green’ package
Item Specification
LAN Chipset Atheros AR8114/AR8132
Features • Supports 10/100
Item Specification
Type New Acer flat keyboard
Total number of keypads 84/88 with 101/102 key emulation
Windows logo key Yes
Item Specification