EP2S130F1020I4 Datasheet, PDF (594/768 Pages) List of Unclassifed Manufacturers – Stratix II Device Handbook, Volume 1

Active Serial Configuration (Serial Configuration Devices)
Figure 7–14. Multi-Device AS Configuration When devices Receive the Same Data
V_CC (1) V_CC (1) V_CC (1)
10 kΩ 10 kΩ 10 kΩ
Stratix II FPGA Slave
nSTATUS
CONF_DONE
nCONFIG
nCE
nCEO
DATA0
DCLK
(2) MSEL3
(2) MSEL2
(2) MSEL1
(2) MSEL0
N.C.
V_CC
Serial Configuration
Device
DATA
DCLK
nCS
ASDI
GND
Stratix II FPGA Master
nSTATUS
CONF_DONE
nCONFIG
nCE
nCEO
DATA0
DCLK
nCSO
ASDO
(2) MSEL3
(2) MSEL2
(2) MSEL1
(2) MSEL0
V_CC
GND
Stratix II FPGA Slave
nSTATUS
CONF_DONE
nCONFIG
nCE
nCEO
GND
N.C.
DATA0
(2) MSEL3
(2) MSEL2
V_CC
DCLK
(2) MSEL1
(2) MSEL0
Stratix II FPGA Slave
nSTATUS
CONF_DONE
nCONFIG
nCE
nCEO
GND
N.C.
DATA0
(2)MSEL3
(2)MSEL2
V_CC
DCLK
(2)MSEL1
(2)MSEL0
GND
Notes to Figure 7–14:
(1) Connect the pull-up resistors to a 3.3-V supply.
(2) If using an EPCS4 device, MSEL[3..0] should be set to 1101. Refer to Table 7–11 for more details.
7–42
Stratix II Device Handbook, Volume 2
Altera Corporation
January 2008