
CPC1302 User Manual
0-23
Description of operation of CPC1302 major components
CPC1302
GPIO port (8 I/O channels)
GPIO port is used in FPGA. Is designed for input of 4 and output of 4 logical signals.
Sensors
Digital temperature sensor of CPU (integrated in СPU), dual-zone temperature sensor LM95235
is connected to SMBUS. Monitor of 7 power supply voltages (12V, 5V, 3.3V, 1.5V, 1.05V, 1.34V,
VCPU) AMC80AIPW is connected to SMBUS.
FGA Xilinx Spartan-6
Used for implementation of SPI, I2C interfaces, GPIO ports, Watchdog-timer, diagnostics
LED\start and control of power supply modes.
WDT
The module uses one hardware watchdog timer with modifiable actuation interval from
1 µsec up to 10 minutes, is implemented in FPGA.
2.3 Connectors COM Express A-B, C-D
CPC1302 is equipped with the standard COM Express connectors (see Fig. 2-2), using which
CPC1302 is connecting with the carrier-board. Purpose of the contacts is specified in the Table A-
1: Purpose of COM Express connector contacts.
2.4
Possible PCIe х16 Gen3 configuration options
Table 2-1: PC
Ie х16 Gen3 configurations
The configuration is set in BIOS Setup. Switching to the Reverse mode
– over the signal
PEG_LANE_RV# from COM Express connector.