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TPMC632 User Manual Issue 1.0.6
Page 12 of 49
FPGA
4.2
The FPGA is a Spartan-6 LX45T-2 or LX100T-2 FPGA. Each Spartan-6 FPGA in a FGG484 package
provides two Memory Controller Blocks and one Endpoint Block for PCI Express (x1 Linkage).
Spartan-6
Slices
Flip-
Flops
DSP48A1
Slices
Block
RAM (Kb)
CMTs
GTP
Transceivers
LX45T
6.822
54.576
58
2.088
4
4
LX100T
15.822
126.576
180
4.824
6
4
Table 4-1 : TPMC632 FPGA Feature Overview
The board supports JTAG, master serial mode configuration from SPI-Flash or SelectMAP configuration from
a Platform Flash.
The FPGA is equipped with 4 I/O banks and 4 GTP transceivers.
Bank
V
CCO
V
REF
Signals
Remarks
Bank 0
3.3V
none
dig. I/O Interface
Bank 1
1.5V
0.75V
DDR3 Bank
+GPIO / LED
/Debug
Bank 2
3.3V
none
dig. I/O Interface +Configuration
Bank 3
3.3V
none
dig. I/O Interface
GTP Bank
Description
Remarks
GTP101
PCIe Endpoint Block
Lane 0
GTP101
not used
Lane 1
GTP123
not used
Lane 0
GTP123
not used
Lane 1
Table 4-2 : FPGA Bank Usage
The FPGA’s VCCAUX is connected to the 3.3V supply.