User's Manual l MBa335x UM 0202 l © 2018, TQ-Systems GmbH
Page 6
4.
ELECTRONICS
4.1
System components
4.1.1
TQMa335x
Illustration 2:
Block diagram TQMa335x
The TQMa335x with the AM335x CPU is the central system component. It provides DDR3L-SDRAM, eMMC, NOR flash and
EEPROM memory. All voltages required by the TQMa335x are derived from the supply voltage of 3.3 V.
The available signals are routed to two connectors on the MBa335x. More detailed information is to be taken from the
accompanying TQMa335x User's Manual.
The TQMa335x boot behaviour can be customised. The required boot-mode configuration can be set with DIP switches, see
section 4.3.5. The connector used on the MBa335x is shown in Table 4.
If a different board-to-board distance is required, higher connectors can be used. Suitable types are to be taken from Table 4.
Table 4:
Carrier board mating connectors
Manufacturer
Pin count / Part number
Remark
Stack height (X)
120-pin:
5177986-5
On MBa335x
5 mm
120-pin:
1-5177986-5
–
6 mm
120-pin:
2-5177986-5
–
7 mm
TE connectivity
120-pin:
3-5177986-5
–
8 mm
The pins assignment listed in Table 5 and Table 6 refer to the corresponding standard BSP of TQ-Systems GmbH.
Information regarding I/O in Table 5 and Table 6 refer to the CPU pins.
Attention: Available interfaces
Depending on the selected TQMa335x, not all interfaces are available.
Available interfaces are to be taken from this User's Manual and the TQMa335x pinout table.
