Basic Configuration of CPU Board

(1) CPU

Basic structure: 32bit CPU (MMU (Memory Management Unit) is optional)

(2) RAM

Appropriate volume of storage

(3) Flash memory

Appropriate volume of storage

(4) eTRON SIM card interface

SIM card connector interface (3.3V) that complies with ISO7816 mounted
1 Slot: (UICC SIM Card connector mounted)
Complies with ETSI TS102221 V4.1.0

(5) Real-time clock (RTC)

Must be equipped with 1ch calendar (Backup with battery or high-volume capacitor is recommended.)

(6) CF Card Interface

Complies with TYPEII 1 Slot: 50-pin CF connector mounted

(7) MMC or SD card interface

1 Slot : 9-pin connector with socket 2.1mm thick mounted

(8) Serial Interface

Asynchronous serial communication port (by dedicated cable connection) 1ch: 115.2kbps or faster

(9) Switch

The following functions are equipped with minimum rate of 4bits

  • Turn on/off power
  • Reset
  • Switch I/O x 2

(10) Expansion Bus Interface

Dedicated connector for T-Engine standard expansion bus 1 slot: (140-pin)
Must comply with " Expansion Connector Common Specifications"

(11) Power connector (DC jack)

Connector complies with EIAJ RC-5320A
DC jack can be equipped with another board to supply for the CPU board