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13
GR-CPCIS-XCKU
Document Data Sheet & User Manual
Feb 2022, Version 1.2
GR716 GPIO pin Interface
Function
GPIO44
GPIO Header
GPIO44
GPIO45
GPIO Header
GPIO45
GPIO46
GPIO Header
GPIO46
GPIO47
GPIO Header
GPIO47
GPIO48
GPIO Header
GPIO48
GPIO49
GPIO Header
GPIO49
GPIO50
UART
RXD2
GPIO51
UART
TXD2
GPIO52
GPIO Header
GPIO52
GPIO53
GPIO Header
GPIO53
GPIO54
GPIO Header
GPIO54
GPIO55
GPIO Header
GPIO55
GPIO56
GPIO Header
GPIO56
GPIO57
Front Panel LED
GR-STS
GPIO58
CAN to backplane
CAN-TX3
GPIO59
CAN to backplane
CAN-RX3
GPIO60
GPIO Header
GPIO60
GPIO61
CAN
CAN-RX4
GPIO62
CAN
CAN-TX4
GPIO63
GPIO Header
GPIO63
The
GR716 microcontroller
is a complex device with many modes of operation. For the details of the
interfaces, operation and programming, refer to [RD4].
4.5
Memory
This boards incorporates various on-board memories as represented in Figure 6:
DDR3-SDRAM
Dual SODIMM sockets for DDR3 SDRAM memory (96 bit wide interface).
Nominally this data width can provide 64 bit data and 32 bit check-bit data
for error correction. Due to constraints in the internal FGPA design, these are
implemented with two controller interfaces.
FPGA-CONFIG
512 Mbit SPI memory (Cypress, S25FL512SAGN in SOIC-16 package) as
non-volatile storage for the FPGA configuration.
FPGA-MEMORY
512 Mbit SPI memory (Cypress, S25FL512SAGN in SOIC-16 package) for
FPGA non-volatile memory
NOR-FLASH
Parallel Flash memory (40 bit wide) connected to FPGA, implemented using
Cypress, Spansion, S29GL064S90TFVV10, 64 Mbit (8 M x 8-Bit/4M x 16-
Bit), 1.8 V Flash PROM, in, TSOP-56 packages.
GR716-BOOT
512 Mbit SPI memory (Cypress, S25FL512SAGN in SOIC-16 package) for
GR716-boot configuration
GR716-DATA
512 Mbit SPI memory (Cypress, S25FL512SAGN in SOIC-16 package) for
GR716-data non-volatile memory