Legends

Acronym Brief Description
 CLK  Clock
 GCK0  Global Clock 0
 GCK1  Global Clock 1
 GCK2  Global Clock 2
 GND  Ground
 GSR  Global Set/Reset
 GTS0  Global Output Enable 0
 GTS1  Global Output Enable 1
 GTS2  Global Output Enable 2
 GTS3  Global Output Enable 3
 I/O  Input/Output
 INIT  Initial state
 ISP  In system programmable
 JTAG  Joint Test Action Group
 KPR  Unused I/O with weak keeper
 NC  No Connects
 PE/PORT_EN  Port Enable
 PGND  Programmable ground pin
 PROHIBITED  User reserved pin
 R  Reset
 S  Set
 TCK  Test clock
 TDI  Test data input
 TDO  Test data output
 TIE  Unused I/O floating
 TMS  Test mode select
 LVCMOS  Low Voltage CMOS 3.3 Volts
 LVCMOS25  Low Voltage CMOS 2.5 Volts
 LVTTL  Low Voltage TTL 3.3 Volts
 VCCIO  Input/Output Supply Voltage
 VCC  Power internal
 WPU  Weak Pull Up