Pin Information
Page 23
Table 20. EPC1, EPC2, and EPC1441 Device Pin Functions During Configuration (Part 3 of 3)
Pin Number
Pin Name
Pin Type
Description
8-Pin
20-Pin
PLCC
32-Pin
(1)
(2)
PDIP
TQFP
JTAG clock pin. Connect this pin to GND if the JTAG
circuitry is not used.
TCK
N/A
3
32
Input
This pin is only available in EPC2 devices.
Mode select for VCC supply. VCCSELmust be connected to
GND if the device uses a 5.0-V power supply (VCC = 5.0 V).
VCCSELmust be connected to VCC if the device uses a
3.3-V power supply (VCC = 3.3 V).
VCCSEL
VPPSEL
VPP
N/A
N/A
N/A
5
3
Input
Input
Power
This pin is only available in EPC2 devices.
Mode select for VPP. supply. VPPSELmust be connected to
GND if VPP uses a 5.0-V power supply (VPP = 5.0 V).
VPPSELmust be connected to VCC if VPP uses a 3.3-V
power supply (VPP = 3.3 V).
14
18
17
23
This pin is only available in EPC2 devices.
Programming power pin. For the EPC2 device, this pin is
normally tied to VCC. If the VCC of the EPC2 device is 3.3 V,
tie VPP to 5.0 V to improve ISP time. For EPC1 and
EPC1441 devices, VPP must be tied to VCC.
This pin is only available in EPC2 devices.
Power pin.
VCC
7, 8
5
20
10
27
12
Power
Ground pin. Place a 0.2-µF decoupling capacitor between
the VCC and GND pins.
GND
Ground
Notes to Table 20:
(1) This package is available for EPC1 and EPC1441 devices only.
(2) This package is available for EPC2 and EPC1441 devices only.
January 2012 Altera Corporation
Configuration Devices for SRAM-Based LUT Devices
INTEL [ INTEL ]
