参数资料
型号: LFE3-35EA-6FN484C
厂商: LATTICE SEMICONDUCTOR CORP
元件分类: FPGA
中文描述: FPGA, PBGA484
封装: 23 X 23 MM, LEAD FREE, FPBGA-484
文件页数: 15/130页
文件大小: 2667K
代理商: LFE3-35EA-6FN484C
4-2
Pinout Information
Lattice Semiconductor
LatticeECP3 Family Data Sheet
[LOC]DQS[num]
I/O
DQ input/output pads: T (top), R (right), B (bottom), L (left), DQS, num = ball
function number.
[LOC]DQ[num]
I/O
DQ input/output pads: T (top), R (right), B (bottom), L (left), DQ, associated
DQS number.
Test and Programming (Dedicated Pins)
TMS
I
Test Mode Select input, used to control the 1149.1 state machine. Pull-up is
enabled during configuration.
TCK
I
Test Clock input pin, used to clock the 1149.1 state machine. No pull-up
enabled.
TDI
I
Test Data in pin. Used to load data into device using 1149.1 state machine.
After power-up, this TAP port can be activated for configuration by sending
appropriate command. (Note: once a configuration port is selected it is
locked. Another configuration port cannot be selected until the power-up
sequence). Pull-up is enabled during configuration.
TDO
O
Output pin. Test Data Out pin used to shift data out of a device using 1149.1.
VCCJ
Power supply pin for JTAG Test Access Port.
Configuration Pads (Used During sysCONFIG)
CFG[2:0]
I
Mode pins used to specify configuration mode values latched on rising edge
of INITN. During configuration, a pull-up is enabled. These are dedicated
pins.
INITN
I/O
Open Drain pin. Indicates the FPGA is ready to be configured. During config-
uration, a pull-up is enabled. It is a dedicated pin.
PROGRAMN
I
Initiates configuration sequence when asserted low. This pin always has an
active pull-up. It is a dedicated pin.
DONE
I/O
Open Drain pin. Indicates that the configuration sequence is complete, and
the startup sequence is in progress. It is a dedicated pin.
CCLK
I
Input Configuration Clock for configuring an FPGA in Slave SPI, Serial, and
CPU modes. It is a dedicated pin.
MCLK
I/O
Output Configuration Clock for configuring an FPGA in SPI, SPIm, and Mas-
ter configuration modes.
BUSY/SISPI
O
Parallel configuration mode busy indicator. SPI/SPIm mode data output.
CSN/SN/OEN
I/O
Parallel configuration mode active-low chip select. Slave SPI chip select.
Parallel burst Flash output enable.
CS1N/HOLDN/RDY
I
Parallel configuration mode active-low chip select. Slave SPI hold input.
WRITEN
I
Write enable for parallel configuration modes.
DOUT/CSON/CSSPI1N
O
Serial data output. Chip select output. SPI/SPIm mode chip select.
D[0]/SPIFASTN
I/O
sysCONFIG Port Data I/O for Parallel mode. Open drain during configuration.
sysCONFIG Port Data I/O for SPI or SPIm. When using the SPI or SPIm
mode, this pin should either be tied high or low, must not be left floating. Open
drain during configuration.
D1
I/O
Parallel configuration I/O. Open drain during configuration.
D2
I/O
Parallel configuration I/O. Open drain during configuration.
D3/SI
I/O
Parallel configuration I/O. Slave SPI data input. Open drain during configura-
tion.
D4/SO
I/O
Parallel configuration I/O. Slave SPI data output. Open drain during configura-
tion.
D5
I/O
Parallel configuration I/O. Open drain during configuration.
D6/SPID1
I/O
Parallel configuration I/O. SPI/SPIm data input. Open drain during configura-
tion.
Signal Descriptions (Cont.)
Signal Name
I/O
Description
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