The Defferent for the Tiny4412SDK base board

Tiny4412 have two base board for evaluating the CPU board function, one is Standard board(Tiny4412SDK1308), another one is Enhanced board(Tiny4412SDK 1312),the main different between them is as follow:

  • The Enhanced Version base board have the MicroUSB interface, it support ADB debug, the Standard Version base board don't have the MicroUSB interface.
  • The Enhanced Version base board expand the IO for the 3.3V with the Level chips, the Standard Verison base board expand the IO for 1.8V.
  • The Enhanced Version base board expand the IO for the 3.3V with the Level chips, the Standard Verison base board expand the IO for 1.8V.
  • The Enhance Verison base board expand the RS485 Serial Port(UART1)
  • The Enhance Verison base board expand the miniPCIe and SIM card slot, can support 3G module
  • The Enhanced Version base board and Standard verison base board have the same PCB Size and the Fixing holes.

The follow is the different Between them.

Item

Standard board
(Tiny4412SDK1308)

Enhanced board
(Tiny4412SDK 1312)
Note
Use the Same CPU board, Tiny4412(Samsung Exynos4412 with 1GB DDR3 RAM and 8GB eMMC Flash)
Size 180 x 130mm 180 x 140mm  
Power Supply DC-5V DC-5V  
SDIO 1(1.8V Level) 1(3.3V Level) For SD Wifi Module
CMOS Camera Port 1(1.8V Level) 1(3.3V Level)  
Serial Port(TTL) 4 4 The CPU have 4 Serial port, Two serial was transmit the RS232 level
Serial Port(RS232) 1 2
Etherent 1 1 RJ45 Ethernet port using DM9621, 10/100M adaptive
Micro USB Device 2.0 No 1 For ADB Debug
USB Host 2.0 3 1  
LCD Port 2 2 The same LCD interface with the touchscreen
HDMI 1 1 HDMI 1.4a Output, Type A interface
Audio In/Out Yes Yes Audio input and output using the WM8960 professional audio chip
EINT Key 4 4  
ADC 4 4 1 for test
LED      
I2C-EEPROM 1 1 AT24C08 (256 Byte) EEPROM for I2C test
Buzzer 1 1  
RTC Yes Yes Support back up the time
Resistive touch screen 1 1 the interface on the LCD connector
Capacitive touch screen 1 1 the interface on the LCD connector
G-sensor 1 1  
GPIO 8 8  
RS485 No 1 Expand by UART1
MiniPCIe No 1 Support expand 3G Module
SIM card Slot No 1 Use for 3G module

 



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