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參數(shù)資料
型號(hào)： PSD9135V20JIT
廠商： 意法半導(dǎo)體
英文描述： 2.5V / 3.3V ECL 1:2 Differential Fanout Buffer; Package: SOIC-8 Narrow Body; No of Pins: 8; Container: Rail; Qty per Container: 98
中文描述： Flash在系統(tǒng)可編程ISP的外設(shè)的8位微控制器
文件頁(yè)數(shù)： 45/110頁(yè)
文件大小： 1737K
代理商： PSD9135V20JIT
45/110
PSD813F2, PSD833F2, PSD834F2, PSD853F2, PSD854F2
PSD Interface to a Non-Multiplexed 8-Bit Bus
Figure
20
shows an example of a system using a
MCU with an 8-bit non-multiplexed bus and a
PSD. The address bus is connected to the ADIO
Port, and the data bus is connected to Port A. Port
A is in tri-state mode when the PSD is not access-
ed by the MCU. Should the system address bus
exceed sixteen bits, Ports B, C, or D may be used
for additional address inputs.
Data Byte Enable Reference
MCUs have different data byte orientations. Table
17
shows how the PSD interprets byte/word oper-
ations in different bus WRITE configurations.
Even-byte refers to locations with address A0
equal to '0' and odd byte as locations with A0 equal
to ’1.’
MCU Bus Interface Examples
Figure
21
through
25
show examples of the basic
connections between the PSD and some popular
MCUs. The PSD Control input pins are labeled as
to the MCU function for which they are configured.
The MCU bus interface is specified using the PS-
Dsoft Express Configuration.
Table 17. Eight-Bit Data Bus
Figure 20. An Example of a Typical 8-bit Non-Multiplexed Bus Interface
BHE
A0
D7-D0
X
0
Even Byte
X
1
Odd Byte
MCU
WR
RD
BHE
ALE
RESET
D[7:0]
A[15:0]
A[23:16]
D[7:0]
ADIO
PORT
PORT
A
PORT
B
PORT
C
WR (CNTRL0)
RD (CNTRL1)
BHE (CNTRL2)
RST
ALE (PD0)
PORT D
(OPTIONAL)
PSD
AI02879C
相關(guān)PDF資料
PDF描述
PSD9135V20JT 2.5V / 3.3V ECL 1:2 Differential Fanout Buffer; Package: SOIC-8 Narrow Body; No of Pins: 8; Container: Rail; Qty per Container: 98
PSD9135V20MIT 2.5V / 3.3V ECL 1:2 Differential Fanout Buffer; Package: SOIC-8 Narrow Body; No of Pins: 8; Container: Tape and Reel; Qty per Container: 2500
PSD9135V20MT 2.5V / 3.3V ECL 1:2 Differential Fanout Buffer; Package: SOIC-8 Narrow Body; No of Pins: 8; Container: Tape and Reel; Qty per Container: 2500
PSD9135V70MT 2.5V / 3.3V ECL 1:2 Differential Fanout Buffer; Package: TSSOP 8 3.0x3.0x0.95 mm; No of Pins: 8; Container: Rail; Qty per Container: 100
PSD9135V90MT 2.5V / 3.3V ECL 1:2 Differential Fanout Buffer; Package: TSSOP 8 3.0x3.0x0.95 mm; No of Pins: 8; Container: Rail; Qty per Container: 100
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PSD9135V20JT 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs
PSD9135V20MIT 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs
PSD9135V20MT 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs
PSD9135V70JIT 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs
PSD9135V70JT 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs
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