Technical Data
6.4.1 I²C Interface
Number
1
Standard
I²C-Bus Specification Rev. 6
Bit rate
100 kbit, optional 400 kbit
Topology
Controller integrated in CPU
Physical Interface
3,3 V, not 5V tolerant
1. I2C interface
Devices: CPU Setup EEPROM, DDR3 RAM SPD EEPROM, RTC, LEDs
2. IC2 interface
Devices: PCIe to PCI Bridge, Health Controller, U-Boot Env EEPROM.
3. I2C interface
Devices: FPGA, Connector P4 Pin 63 SDA Pin 64 SCL.
Table 9:
Data of the I²C interface
6.5 USB - USB Host Interface
Number
1x USB host
Standard
USB 2.0, max. 480 Mbit/s
Topology
Host Controller integrated in CPU
Max. current per
port @5V
500 mA, short-circuit-protected
Electrical isolation
None
Software support
- OHCI-Host controller- and device driver
- driver of the operating system
Connector
Mini USB type-AB socket in the front panel (USB)
Table 10:
Data of the USB Host interface USB
6.6 CON - USB Device Interface
Number
1x Console (serial)
Standard
USB 2.0 Full-Speed, the first serial interface of the CPU is provided via
an FTDI FT232R chip as USB Device.
The FT232R chip is bus powered.
Electrical isolation
Via digital isolator
Connector
Mini USB type-B socket in the front panel (CON)
Table 11:
Data of the USB Device interface CON
Page 20 of 41
Hardware Manual • Doc. No.: V.2030.21 / Rev. 1.2
XMC-CPU/T10