參數(shù)資料
型號： 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）
文件頁數(shù)： 36/98頁
文件大?。?/td> 365K
代理商： PSD413F
PSD413F Family
6-36
ADVANCE INFORMATION
Bus
Interface
The Bus Interface is very flexible and can be configured to interface to most microcontrollers
with no glue logic. Table 7 lists some of the bus types to which the Bus Interface is able to
interface.
Multiplexed
Data Bus
Width
Bus Control
Signals
Microcontroller
Mux
8
WR, RD, PSEN, A0
8031
Mux/
Non-mux
8
R/W, E, A0
68HC11
Mux
8
R/W, E
3150
Mux
8
R/W, DS
Z8
Non-mux
8
RD, WR
Z80
Mux
8
WR, RD
80188
Table 7. Typical Microcontroller Bus Types
Bus Interface Configuration
The Bus Interface Logic is user configurable. The type of bus interface is specified by
the user in the PSDsoft software (PSD configuration). The bus control input pins have
multi-function capabilities. By choosing the right configuration, the PSD413F is able to
interface to many microcontrollers, including the ones listed in Table 7. In Table 8, the
names of the bus control input signal pins and their multiple functions are shown. For
example, the RD pin can be configured by the PSD configuration software to perform any
one of the three functions. Examples on the interface between the PSD413F and some
typical microcontrollers are shown in following sections.
Pin
Pin
Pin
Pin Name
Function
1
Function
2
Function
3
RD
RD
E
DS
WR
WR
R/W
PE0
PSEN
PE1
ALE
AD0
A0
Table 8. Alternate Pin Functions
PSD413F Interface To a Multiplexed Bus
Figure 19 shows a typical connection to a microcontroller with a multiplexed bus. The
ADIO port of the PSD413F is connected directly to the microcontroller address/data bus.
The ALE input signal latches the address lines internally. In a read bus cycle, data is driven
out through the ADIO Port transceivers after the specified access time. The internal ADIO
Port connection for a multiplexed bus is shown in Figure 20. The ADIO Port is in tri-state
mode if none of the PSD413F internal devices are selected.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PSD4-16 制造商:Tamura Corporation of America 功能描述:
PSD4-20 制造商:MICROTRAN 功能描述:POWER TRANSFORMER, 6 VA
PSD4235G2-70U 功能描述:SPLD - 簡單可編程邏輯器件 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
PSD4235G2-90U 功能描述:CPLD - 復(fù)雜可編程邏輯器件 5.0V 4M 90ns RoHS:否 制造商:Lattice 系列: 存儲類型:EEPROM 大電池?cái)?shù)量:128 最大工作頻率:333 MHz 延遲時(shí)間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100
PSD4235G2-90UI 功能描述:CPLD - 復(fù)雜可編程邏輯器件 5.0V 4M 90ns RoHS:否 制造商:Lattice 系列: 存儲類型:EEPROM 大電池?cái)?shù)量:128 最大工作頻率:333 MHz 延遲時(shí)間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100
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