參數(shù)資料
型號(hào): PSD413F
英文描述: Field Programmable Microcontroller Peripherals with Flash Memory(可編程邏輯,16K位SRAM,35個(gè)可編程I/O,通用PLD有59個(gè)輸入)
中文描述: 現(xiàn)場(chǎng)可編程微控制器外圍設(shè)備與快閃記憶體(可編程邏輯,16K的位的SRAM,35余個(gè)可編程輸入/輸出,通用PLD的有59個(gè)輸入)
文件頁(yè)數(shù): 11/98頁(yè)
文件大?。?/td> 365K
代理商: PSD413F
PSD413F Family
6-11
ADVANCE INFORMATION
Signal Name
From
PA0 – PA7
Port A inputs or Macrocell PA feedback
PB0 – PB7
Port B inputs or Macrocell PB feedback
PE0 – PE1
Port E inputs (signals ALE, PSEN/BHE)
PGR0 – PGR3
Page Mode Register
A8 – A15, A0, A1
MCU Address Lines
RD/E/DS
MCU bus signal
WR/R_W
MCU bus signal
CLKIN
Input Clock
RESET
Reset input
CSI
CSI input (ORed with power down from PMU)
Table 3. ZPLD Input Signals
PSD413A1F
ZPLD Block
(Cont.)
The DPLD
The DPLD is used for internal address decoding generating the following eight chip select
signals:
J
ES0 – ES3
Flash memory selects, block 0 to block 3
J
RS0
SRAM block select
J
CSIOP
I/O Decoder chip select
J
CS Boot
Boot EPROM select
The I/O Decoder enabled by the CSIOP generates chip selects for on-chip registers or I/O
ports based on address inputs A[7:0].
As shown in Figure 4, the DPLD consists of a large programmable AND ARRAY. There are
a total of 37 inputs and 7 outputs. Each output consists of a single product term. Although
the user can generate select signals from any of the inputs, the select signals are typically a
function of the address and Page Register inputs. The select signals are defined by the
user in the ABEL file (PSDabel).
The address line inputs to the DPLD include A0, A1 and A8 – A15. If more address lines
are needed, the user can bring in the lines through Port A to the DPLD.
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PSD4235G2-70U 功能描述:SPLD - 簡(jiǎn)單可編程邏輯器件 5.0V 4M 70ns RoHS:否 制造商:Texas Instruments 邏輯系列:TICPAL22V10Z 大電池?cái)?shù)量:10 最大工作頻率:66 MHz 延遲時(shí)間:25 ns 工作電源電壓:4.75 V to 5.25 V 電源電流:100 uA 最大工作溫度:+ 75 C 最小工作溫度:0 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:DIP-24
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