Preliminary User's Manual l TQMaX4XxL UM 0001 l © 2022, TQ-Systems GmbH
Page 16
Figure 12:
Block diagram SerDes
(Source:
3.2.8.6
Serial interfaces
The supported standards, transfer modes and rates of the following interfaces are to be taken from the AM64x / AM243x Data
3.2.8.7
I2C
The accessible I
2
C buses depend on the pin multiplexing. To use the internal I
2
C devices, the I2C0 bus is permanently provided
on the TQMaX4XxL. The following devices are connected to the module:
Figure 13:
Block diagram I2C bus on the TQMaX4XxL
Die folgende Tabelle zeigt die verwendeten Adressen aller I2C-Busse:
Table 10: I2C address assignment on the module
Bus
Component
Address
Note
I2C0
Temperature sensor TMP1075
0x4A / 0b100 1010
EEPROM M24C02
0x50 / 0b101 0000
TQ-Data
EEPROM M24C64
0x54 / 0b101 0100
Customer EEPROM
RTC PCF85063ATL
0x51 / 0b101 0001
SEC
0x48 / 0b100 1000
If additional devices should be connected to this bus, optional external pullups should be provided to improve the rise / fall
times. I2C0 relates to 1.8V.
