Audio
Table 11. Audio specifications
Feature
Specifications
Controller
Dialog DA7219
Stereo conversion
Supported
Type
High Definition Audio
Speakers
2
Internal Interface
I2S
External Interface
Digital microphone input on camera module
Headset combo jack (stereo headphones/microphone-in)
Internal speaker amplifier
Supported
External Speaker Amp
MAX98357A
External volume controls
Supported
Speaker output:
●
Average - 2 W
●
Peak - 2.5 W
Subwoofer output
Not supported
Microphone
Supported
Storage
Table 12. Storage specifications
Type
Capacity
MMC Interface
Voltage
eMMC
16 GB
eMMC V5.1
3.3 V
eMMC
32 GB
eMMC V5.1
3.3 V
Keyboard
Table 13. Keyboard specifications
Feature
Specifications
Number of keys
●
74 (U.S. and Canada)
●
75 (UK)
●
76 (Brazil)
●
78 (Japan)
Size
Full sized
●
X = 19.05 mm key pitch
●
Y = 18.05 mm key pitch
Backlit keyboard
No
Technical specifications
15
