EPC16 Altera Corporation, EPC16 Datasheet - Page 11
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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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Altera Corporation
nCASC
nINIT_CONF
(5),
TDI
TDO
TMS
TCK
VCCSEL
VPPSEL
VPP
Table 3. EPC2, EPC1, & EPC1441 Pin Functions During APEX II, APEX 20K, Mercury, ACEX 1K, FLEX 10K
& FLEX 6000 Configuration (Part 2 of 3)
Pin Name
(7)
(7)
(7)
(7)
(7)
(7)
(6)
(7)
(7)
6
–
–
–
–
–
–
–
–
PDIP
8-Pin
(3)
Pin Number
12
13
11
1
19
3
5
14
18
20-Pin
PLCC
TQFP
15
16
13
28
25
32
3
17
23
32-Pin
(4)
Configuration Devices for SRAM-Based LUT Devices Data Sheet
Output
Open-
Drain
Output
Input
Output
Input
Input
Input
Input
Power
Notes
Type
Pin
(1),
Cascade select output (active low). This output goes
low when the address counter has reached its
maximum value. In a chain of EPC1 or EPC2 devices,
the nCASC pin of one device is connected to the nCS pin
of the next device, which permits DCLK to clock data
from the next EPC1 or EPC2 device in the chain.
Allows the INIT_CONF JTAG instruction to initiate
configuration. This pin is connected to the nCONFIG pin
of the LUT device to initiate configuration from the
EPC2 via a JTAG instruction. If multiple EPC2 devices
are used to configure an ACEX, APEX, FLEX or
Mercury device, only the first EPC2 has its
nINIT_CONF pin tied to the device’s nCONFIG pin.
JTAG data input pin. Connect this pin to V
JTAG circuitry is not used.
JTAG data output pin. Do not connect this pin if the
JTAG circuitry is not used.
JTAG mode select pin. Connect this pin to V
JTAG circuitry is not used.
JTAG clock pin. Connect this pin to ground if the JTAG
circuitry is not used.
Mode select for V
connected to ground if the device uses a 5.0-V power
supply (i.e., V
to V
V
Mode select for VPP. VPPSEL must be connected to
ground if VPP uses a 5.0-V power supply
(i.e., VPP = 5.0 V). VPPSEL must be connected to V
if VPP uses a 3.3-V power supply (i.e, VPP = 3.3 V).
Programming power pin. For the EPC2 device, this pin
is normally tied to V
can be tied to 5.0 V to improve in-system programming
times. For EPC1 and EPC1441 devices, VPP must be
tied to V
(2)
CC
www.DataSheet.co.kr
CC
= 3.3 V).
if the device uses a 3.3-V power supply (i.e.,
CC
.
CC
= 5.0 V). VCCSEL must be connected
CC
CC
supply. VCCSEL must be
Description
. If the EPC2 V
CC
is 3.3 V, VPP
CC
CC
if the
if the
CC
11
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