11
LatticeECP2 Standard Evaluation Board
Lattice Semiconductor
User’s Guide
Table 26. sysIO Standards Supported per Bank
PCI/PCI-X
The LatticeECP2 Standard Evaluation Board is designed to be compatible with PCI (PCI SIG 2.2 specification) and
PCI-X (Mode 1). All necessary signals required for 64-bit PCI/PCI-X operation are provided, as shown in Table 27
and Table 28.
Description
Top Side,
Banks 0-1
Right Side,
Banks 2-3
Bottom Side,
Banks 4-5
Left Side,
Banks 6-7
Types of I/O Buffers
Single-ended
Single-ended and
Differential
Single-ended
Single-ended and
Differential
Output Standards
Supported
LVTTL
LVCMOS33
LVCMOS25
LVCMOS18
LVCMOS15
LVCMOS12
SSTL18 Class I, II
SSTL25 Class I, II
SSTL33 Class I, II
HSTL15 Class I
HSTL18_I, II
SSTL18D Class I, II
SSTL25D Class I, II
SSTL33D Class I, II
HSTL15D Class I
HSTL18D Class I, II
PCI33
LVDS25E
1
LVPECL
1
BLVDS
1
RSDS
1
LVTTL
LVCMOS33
LVCMOS25
LVCMOS18
LVCMOS15
LVCMOS12
SSTL18 Class I, II
SSTL25 Class I, II
SSTL33 Class I, II
HSTL15 Class I
HSTL18 Class I, II
SSTL18D Class I, II
SSTL25D Class I, II
SSTL33D Class I, II
HSTL15D Class I, II
HSTL18D Class I, II
PCI33
LVDS
LVDS25E
1
LVPECL
1
BLVDS
1
RSDS
1
LVTTL
LVCMOS33
LVCMOS25
LVCMOS18
LVCMOS15
LVCMOS12
SSTL18 Class I
SSTL2 Class I, II
SSTL3 Class I, II
HSTL15 Class I
HSTL18 Class I, II
SSTL18D Class I, II
SSTL25D Class I, II,
SSTL33D Class I, II
HSTL15D Class I
HSTL18D Class I, II
PCI33
LVDS25E
1
LVPECL
1
BLVDS
1
RSDS
1
LVTTL
LVCMOS33
LVCMOS25
LVCMOS18
LVCMOS15
LVCMOS12
SSTL18 Class I
SSTL2 Class I, II
SSTL3 Class I, II
HSTL15 Class I, III
HSTL18 Class I, II, III
SSTL18D Class I,
SSTL25D Class I, II,
SSTL33D_I, II
HSTL15D Class I
HSTL18D Class I, II
PCI33
LVDS
LVDS25E
1
LVPECL
1
BLVDS
1
RSDS
1
Inputs
All Single-ended, Differ-
ential
All Single-ended,
Differential
All Single-ended,
Differential
All Single-ended,
Differential
Clock Inputs
All Single-ended, Differ-
ential
All Single-ended,
Differential
All Single-ended,
Differential
All Single-ended,
Differential
PCI Support
PCI33 no clamp
PCI33 no clamp
PCI33 with clamp
PCI33 no clamp
LVDS Output Buffers
LVDS (3.5mA) Buffers
2
LVDS (3.5mA) Buffers
2
1. These differential standards are implemented by using complementary LVCMOS drivers and external resistors.
2. Available on 50% of the I/Os in the Bank.
Table 27. PCI Connections - Solder Side
J48
Signal Name
LatticeECP2 Pin
sysIO Bank
Note
1
PCI_TRSTN
-
-
TP10, PD if master
2
+12V
-
-
Decoupling cap
3
PCI_TMS
-
-
TP11, PU if master
4
PCI_TDI
-
-
TP12, J14-4, J13
5
+5V
-
-
NC
6
PCI_INTA_N
-
-
J19
7
PCI_INTC_N
-
-
J19