Altera Cyclone IV Device Handbook page 191

Chapter 8: Configuration and Remote System Upgrades in Cyclone IV Devices
Configuration
Figure 8–9. Word-Wide Multi-Device AP Configuration
CLK
RST#
CE#
OE#
ADV#
WE#
WAIT
DQ[15:0]
A[24:1]
Micron P30/P33 Flash
Notes to Figure 8–9:
(1) Connect the pull-up resistors to the V
(2) Connect the pull-up resistor to the V
(3) The nCEO pin is left unconnected or used as a user I/O pin when it does not feed the nCE pin of another device.
(4) The MSEL pin settings vary for different configuration voltage standards and POR time. You must set the master device in AP mode and the slave
devices in FPP mode. To connect MSEL[3..0] for the master device in AP mode and the slave devices in FPP mode, refer to
page 8–9. Connect the MSEL pins directly to V
(5) The AP configuration ignores the WAIT signal during configuration mode. However, if you are accessing flash during user mode with user logic,
you can optionally use the normal I/O pin to monitor the WAIT signal from the Micron P30 or P33 flash.
(6) Connect the repeater buffers between the Cyclone IV E master device and slave devices for DATA[15..0] and DCLK. All I/O inputs must maintain
a maximum AC voltage of 4.1 V. The output resistance of the repeater buffers must fit the maximum overshoot equation outlined in
and JTAG Pin I/O Requirements" on page
1
In a multi-device AP configuration, the board trace length between the parallel flash
and the master device must follow the recommendations listed in
May 2013 Altera Corporation
V CCIO (1)
V CCIO (1)
V CCIO (1)
V CCIO (2)
10 k
10 k
10 k
10 k
nCE nCEO
GND
DCLK
nRESET
FLASH_nCE
nOE
nAVD
MSEL[3..0] (4)
nWE
DQ[7..0]
I/O (5)
DATA[15..0]
PADD[23..0]
Cyclone IV E
Master Device
Buffers (6)
DQ[15..8]
supply of the bank in which the pin resides.
CCIO
supply voltage of the I/O bank in which the nCE pin resides.
CCIO
or GND.
CCA
8–5.
V CCIO (2)
10 k
nCE nCEO nCE
MSEL[3..0] (4)
DQ[7..0]
DATA[7..0] DATA[7..0]
DCLK DCLK
Cyclone IV E Slave Device Cyclone IV E Slave Device
V CCIO (1)
10 k
nCE nCEO nCE
MSEL[3..0]
(4)
DATA[7..0] DATA[7..0]
DCLK DCLK
DQ[15..8]
Cyclone IV E Slave Device Cyclone IV E Slave Device
8–27
nCEO N.C. (3)
MSEL[3..0] (4)
nCEO N.C. (3)
MSEL[3..0]
(4)
Table 8–5 on
"Configuration
Table 8–11.
Cyclone IV Device Handbook,
Volume 1