MPI mode this is driven low indic" />
參數(shù)資料
型號: ORSO42G5-3BMN484C
廠商: Lattice Semiconductor Corporation
文件頁數(shù): 19/153頁
文件大小: 0K
描述: IC TRANCEIVERS FPSC 680FPGAM
產(chǎn)品變化通告: Product Discontinuation 01/Aug/2011
標準包裝: 60
系列: *
Lattice Semiconductor
ORCA ORSO42G5 and ORSO82G5 Data Sheet
115
MPI_ACK
O
In
MPI mode this is driven low indicating the MPI received the data on the write cycle or
returned data on a read cycle.
I/O If not used for MPI these pins are user-programmable I/O pins after conguration.
1
MPI_CLK
I
This is the PowerPC synchronous, positive-edge bus clock used for the
MPI interface. It can be
a source of the clock for the Embedded System Bus. If MPI is used this will be the AMBA bus
clock.
I/O If not used for MPI these pins are user-programmable I/O pins after conguration.
1
MPI_TEA
O
A low on the MPI transfer error acknowledge indicates that the MPI detects a bus error on the
internal system bus for the current transaction.
I/O If not used for MPI these pins are user-programmable I/O pins after conguration.
1
MPI_RTRY
O
This pin requests the MPC860 to relinquish the bus and retry the cycle.
I/O If not used for MPI these pins are user-programmable I/O pins after conguration.
1
D[0:31]
I/O Selectable data bu
s width from 8, 16, 32-bit in MPI mode. Driven by the bus master in a write
transaction and driven by MPI in a read transaction.
I
D[7:0] receive conguration data during master parallel, peripheral, and slave parallel congu-
ration modes when WR is low and each pin has a pull-up enabled. During serial conguration
modes, D0 is the DIN input.
O
D[7:3] output internal status for asynchronous peripheral mode when RD is low.
I/O After conguration, if MPI is not used, the pins are user-programmable I/O pins.
1
DP[0:3]
I/O Selectable parity bus width in MPI mode from 1, 2, 4-bit, DP[0] for D[0:7], DP[1] for D[8:15],
DP[2] for D[16:23], and DP[3] for D[24:31].
After conguration, if MPI is not used, the pins are user-programmable I/O pin.
1
DIN
I
During slave serial or master serial conguration modes, DIN accepts serial conguration data
synchronous with CCLK. During parallel conguration modes, DIN is the D0 input. During con-
guration, a pull-up is enabled.
I/O After conguration, this pin is a user-programmable I/O pin.
1
DOUT
O
During conguration, DOUT is the serial data output that can drive the DIN of daisy-chained
slave devices. Data out on DOUT changes on the rising edge of CCLK.
I/O After conguration, DOUT is a user-programmable I/O pin.
1
TESTCFG
(ORSO82G5 only)
I
During conguration this pin should be held high, to allow conguration to occur. A pull up is
enabled during conguration.
I/O After conguration, TESTCFG is a user programmable I/O pin.
1
1. The FPGA States of Operation section in the ORCA Series 4 FPGAs data sheet contains more information on how to control these signals
during start-up. The timing of DONE release is controlled by one set of bit stream options, and the timing of the simultaneous release of all
other conguration pins (and the activation of all user I/Os) is controlled by a second set of options.
Table 47. Pin Descriptions (Continued)
Symbol
I/O
Description
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