EPC16 Altera Corporation, EPC16 Datasheet - Page 24
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EPC16
Manufacturer Part Number
EPC16
Description
Configuration Devices
Manufacturer
Altera Corporation
Datasheet
1.EPC16.pdf
(36 pages)
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Configuration Devices for SRAM-based LUT Devices Data Sheet
24
3.3-V or 5.0-V Operation
EPC2, EPC1, and EPC1441 devices can configure 5.0-V, 3.3-V, or 2.5-V
devices. For each configuration device, an option must be set for 5.0-V or
3.3-V operation (EPC4, EPC8, and EPC16 devices are 3.3 V). For EPC1 and
EPC1441 configuration devices, the Use Low-Voltage Configuration EPROM
option in the Global Project Device Options dialog box (Assign menu) in
the MAX+PLUS II software sets this parameter. (For APEX 20K, APEX II,
and Mercury devices, the Quartus II software provides a similar option.)
For EPC2 devices, this option is set externally by the VCCSEL pin. In
addition, the EPC2 device has an externally controlled option, set by the
VPPSEL pin, to adjust the programming voltage to 5.0 V or 3.3 V.
The functions of the VCCSEL and VPPSEL pins are described below.
Table 8
and the required logic level for VCCSEL and VPPSEL (i.e., high or low
logic level).
V
Table 8. VCCSEL & VPPSEL Pin Functions on the EPC2
CC
VCCSEL pin—For EPC2 configuration devices, 5.0-V or 3.3-V
operation is controlled by the VCCSEL option pin. The device
functions in 5.0-V mode when VCCSEL is connected to GND; the
device functions in 3.3-V mode when VCCSEL is connected to V
VPPSEL pin—The EPC2 VPP programming power pin is normally
tied to V
possible to improve EPC2 in-system programming times by
providing VPP with a 5.0-V supply. For all other devices, VPP must be
tied to V
with the EPC2 VPP pin. If the VPP pin is supplied by a 5.0-V supply,
VPPSEL must be connected to GND; if the VPP pin is supplied by a
3.3-V power supply, VPPSEL must be connected to V
Voltage Level
describes the relationship between the V
(V)
3.3
3.3
5.0
CC
CC
. The EPC2 device’s VPPSEL pin must be set in accordance
. For EPC2 devices operating with a 3.3-V supply, it is
V
PP
Voltage Level
www.DataSheet.co.kr
(V)
3.3
5.0
5.0
VCCSEL Pin Logic
Level
High
High
Low
CC
and V
Altera Corporation
VPPSEL Pin Logic
PP
CC
voltage levels
.
Level
High
Low
Low
CC
.
Datasheet pdf - http://www.DataSheet4U.net/