EP3C55F780I7 Datasheet, PDF (223/274 Pages) Altera Corporation – This section provides a complete overview of all features relating to the Cyclone III device family

Chapter 9: Configuration, Design Security, and Remote System Upgrades in the Cyclone III Device Family
Configuration Features
9–65
Table 9–21 lists the Cyclone III device family pin configuration.
Table 9–21. Cyclone III Device Family Configuration Pin Summary
Bank
Description
Input/Output Dedicated
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Configuration Mode
1 FLASH_nCE, nCSO
6 CRC_ERROR
1 DATA[0]
1 DATA[1], ASDO
8 DATA[7..2]
8 DATA[15..8]
6 INIT_DONE
Output
—
Output
—
Input
Yes
Bidirectional
Input
Output
—
Bidirectional
Input
Bidirectional
—
Bidirectional
Output
—
V_CCIO
V_CCIO/Pull-up ⁽¹⁾
V_CCIO
V_CCIO
V_CCIO
V_CCIO
V_CCIO
V_CCIO
V_CCIO
V_CCIO
Pull-up
AS, AP ⁽²⁾
Optional, all modes
PS, FPP, AS
AP ⁽²⁾
FPP
AS
AP ⁽²⁾
FPP
AP ⁽²⁾
AP ⁽²⁾
Optional, all modes
1 nSTATUS
Bidirectional
Yes
Pull-up
All modes
1 nCE
1 DCLK
6 CONF_DONE
Input
Yes
Input
Yes
Output
Bidirectional
Yes
V_CCIO
V_CCIO
V_CCIO
Pull-up
All modes
PS, FPP
AS, AP ⁽²⁾
All modes
1 TDI
1 TMS
1 TCK
1 nCONFIG
6 CLKUSR
6 nCEO
6 MSEL[3..0]
1 TDO
7 PADD[14..0]
8 PADD[19..15]
6 PADD[23..20]
1 nRESET
6 nAVD
6 nOE
6 nWE
5 DEV_OE
5 DEV_CLRn
Input
Yes
Input
Yes
Input
Yes
Input
Yes
Input
—
Output
—
Input
Yes
Output
Yes
Output
—
Output
—
Output
—
Output
—
Output
—
Output
—
Output
—
Input
—
Input
—
V_CCIO
V_CCIO
V_CCIO
V_CCIO
V_CCIO
V_CCIO
V_CCINT
V_CCIO
V_CCIO
V_CCIO
V_CCIO
V_CCIO
V_CCIO
V_CCIO
V_CCIO
V_CCIO
V_CCIO
JTAG
JTAG
JTAG
All modes
Optional
Optional, all modes
All modes
JTAG
AP ⁽²⁾
AP ⁽²⁾
AP ⁽²⁾
AP ⁽²⁾
AP ⁽²⁾
AP ⁽²⁾
AP ⁽²⁾
Optional, AP ⁽²⁾
Optional, AP ⁽²⁾
Notes to Table 9–21:
(1) In Cyclone III devices, the CRC_ERROR pin is a dedicated output by default. Optionally, you can enable the CRC_ERROR pin as an open-drain output
in the CRC Error Detection tab from the Device and Pin Options dialog box.
(2) AP configuration is for Cyclone III devices only.
August 2012 Altera Corporation
Cyclone III Device Handbook
Volume 1