Specifications ispLSI 2032/A 2 USE ispLSI 2032E FOR NEW DESIGNS Functional Block Diagram Figure 1. ispLSI 2032/A Functional Block Diagram All o" />
參數(shù)資料
型號(hào): ISPLSI 2032A-135LT48
廠商: Lattice Semiconductor Corporation
文件頁(yè)數(shù): 9/16頁(yè)
文件大?。?/td> 0K
描述: IC PLD ISP 32I/O 7.5NS 48TQFP
標(biāo)準(zhǔn)包裝: 250
系列: ispLSI® 2000A
可編程類型: 系統(tǒng)內(nèi)可編程
最大延遲時(shí)間 tpd(1): 7.5ns
電壓電源 - 內(nèi)部: 4.75 V ~ 5.25 V
邏輯元件/邏輯塊數(shù)目: 8
宏單元數(shù): 32
門數(shù): 1000
輸入/輸出數(shù): 32
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應(yīng)商設(shè)備封裝: 48-TQFP(7x7)
包裝: 托盤
其它名稱: ISPLSI2032A-135LT48
Specifications ispLSI 2032/A
2
USE
ispLSI
2032E
FOR
NEW
DESIGNS
Functional Block Diagram
Figure 1. ispLSI 2032/A Functional Block Diagram
All of these signals are made available to the inputs of the
GLBs. Delays through the GRP have been equalized to
minimize timing skew.
Clocks in the ispLSI 2032 and 2032A devices are se-
lected using the dedicated clock pins. Three dedicated
clock pins (Y0, Y1, Y2) or an asynchronous clock can be
selected on a GLB basis. The asynchronous or Product
Term clock can be generated in any GLB for its own clock.
The devices also have 32 I/O cells, each of which is
directly connected to an I/O pin. Each I/O cell can be
individually programmed to be a combinatorial input,
output or bi-directional I/O pin with 3-state control. The
signal levels are TTL compatible voltages and the output
drivers can source 4 mA or sink 8 mA. Each output can
be programmed independently for fast or slow output
slew rate to minimize overall output switching noise.
Eight GLBs, 32 I/O cells, two dedicated inputs and two
ORPs are connected together to make a Megablock
(Figure 1). The outputs of the eight GLBs are connected
to a set of 32 universal I/O cells by the ORP. Each ispLSI
2032 and 2032A device contains one Megablock.
The GRP has as its inputs, the outputs from all of the
GLBs and all of the inputs from the bi-directional I/O cells.
Global Routing Pool
(GRP)
A0
A1
A3
Input
Bus
Output
Routing
Pool
(ORP)
A7
A6
A5
A4
Input
Bus
Output
Routing
Pool
(ORP)
A2
CLK
0
CLK
1
CLK
2
GOE 0
Notes:
*Y1 and RESET are multiplexed on the same pin
I/O 0
I/O 1
I/O 2
I/O 3
I/O 6
I/O 7
I/O 8
I/O 9
I/O 10
I/O 11
I/O 12
I/O 13
I/O 14
I/O 15
I/O 31
I/O 30
I/O 29
I/O 28
I/O 27
I/O 26
I/O 25
I/O 24
I/O 23
I/O 22
I/O 21
I/O 20
I/O 19
I/O 18
I/O 17
I/O 16
SDI/IN 0
SDO/IN 1
I/O 4
I/O 5
Y0
SCLK/Y2
ispEN
MODE
0139B(1)isp/2000
Y1*/RESET
Select
devices
have
been
discontinued.
See
Ordering
Information
section
for
product
status.
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