Altera Cyclone IV - BST Operation Control

Chapter 10: JTAG Boundary-Scan Testing for Cyclone IV Devices 10–3
BST Operation Control
December 2013 Altera Corporation Cyclone IV Device Handbook,
Volume 1
Figure 10–2 shows the Cyclone IV GX HSSI receiver BSC.
f For more information about Cyclone IV devices user I/O boundary-scan cells, refer to
the IEEE 1149.1 (JTAG) Boundary-Scan Testing for Cyclone III Devices chapter.
BST Operation Control
Tab le 1 0– 1 lists the boundary-scan register length for Cyclone IV devices.
Figure 10–2. HSSI Receiver BSC with IEEE Std. 1149.6 BST Circuitry for the Cyclone IV GX Devices
HIGHZ
SDIN
SHIFT
0
1
0
1
DQ
DQ
CLK
SDOUT
UPDATE
MODE
AC_TEST
Capture Update
Registers
BSRX1
BSOUT1
BSRX0
BSOUT0
MEM_INIT
AC_MODE
Hysteretic
Memory
AC JTAG Test
Receiver
Mission
(DATAIN)
Optional INTEST/RUNBIST
not supported
Pad
Pad
Rx Input
Buffer
AC JTAG Test
Receiver
Hysteretic
Memory
BSCAN PMA
Table 10–1. Boundary-Scan Register Length for Cyclone IV Devices (Part 1 of 2)
Device Boundary-Scan Register Length
EP4CE6 603
EP4CE10 603
EP4CE15 1080
EP4CE22 732
EP4CE30 1632
EP4CE40 1632
EP4CE55 1164
EP4CE75 1314
EP4CE115 1620
EP4CGX15 260
EP4CGX22 494
EP4CGX30
(1)
494
EP4CGX50 1006