參數(shù)資料
型號: PSD303L
英文描述: Field Programmable Microcontroller Peripherals(可編程邏輯,16K位SRAM,19個可編程I/O,通用PLD有16個輸入)
中文描述: 現(xiàn)場可編程微控制器外圍設(shè)備(可編程邏輯,16K的位的SRAM,19余個可編程輸入/輸出,通用PLD的有16個輸入)
文件頁數(shù): 7/14頁
文件大?。?/td> 138K
代理商: PSD303L
PSD3XX – Application Note 022
1-207
Figure 5. Combined Address Space
INTERNAL
OE
OE
OE
CS
CS
CS
RD
ADDRESS
PSEN
I/O PORTS
PAD
SRAM
EPROM
Figure 6 shows the block diagram of a typical 80C31 design. The '373 latch is required to
demultiplex the address and data busses. EPROM is used for program control memory and
the SRAM is required for stack extension or scratch pad memory. The Separate memory
model is being used in the design. In addition, two I/O ports and a PLD based address
decoder are incorporated.
Simple
80C31
Design
'373
80C31
μC
ADDRESS
ADDRESS DECODER
DATA
EPROM
SRAM
RD
I/O
I/O
I/O
PORT
I/O
PORT
PSEN
PLD
CS
Figure 6. A Typical 80C31 Design
PSD3XX
Architecture
(Cont.)
相關(guān)PDF資料
PDF描述
PSD303 Field Programmable Microcontroller Peripherals(可編程邏輯,16K位SRAM,19個可編程I/O,通用PLD有16個輸入)
PSD311L Field Programmable Microcontroller Peripherals(可編程邏輯,16K位SRAM,19個可編程I/O,通用PLD有12個輸入)
PSD311 Field Programmable Microcontroller Peripherals(可編程邏輯,16K位SRAM,19個可編程I/O,通用PLD有12個輸入)
PSD312-15IB Field-Programmable Peripheral
PSD312-20IB Field-Programmable Peripheral
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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