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參數(shù)資料
| 型號： | PSD813F2A |
| 廠商： | 意法半導體 |
| 英文描述： | Flash In-System Programmable(ISP) Peripherals For 8-bit MCUs(用于八位MCU的閃速在系統(tǒng)可編程外圍芯片) |
| 中文描述： | Flash在系統(tǒng)可編程（ISP）為周邊8位微控制器（用于八位微控制器的閃速在系統(tǒng)可編程外圍芯片） |
| 文件頁數(shù)： | 40/103頁 |
| 文件大?。?/td> | 1180K |
| 代理商： | PSD813F2A |
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PSD8XXF2/3/4/5
40/103
MCU BUS INTERFACE
The “no-glue logic” MCU Bus Interface block can
be directly connected to most popular MCUs and
their control signals. Key 8-bit MCUs, with their
bus types and control signals, are shown in Table
15. The interface type is specified using the PSD-
soft Express Configuration.
PSD8XXFX Interface to a Multiplexed 8-Bit
Bus.
Figure 17 shows an example of a system us-
ing a MCU with an 8-bit multiplexed bus and a
PSD8XXFX. The ADIO port on the PSD8XXFX is
connected directly to the MCU address/data bus.
Address Strobe (ALE/AS, PD0) latches the ad-
dress signals internally. Latched addresses can
be brought out to Port A or B. The PSD8XXFX
drives the ADIO data bus only when one of its in-
ternal resources is accessed and Read Strobe
(RD, CNTL1) is active. Should the system address
bus exceed sixteen bits, Ports A, B, C, or D may
be used as additional address inputs.
Table 15. MCUs and their Control Signals
Note: 1. Unused CNTL2 pin can be configured as CPLD input. Other unused pins (PC7, PD0, PA3-0) can be configured for other I/O func-
tions.
2. ALE/AS input is optional for MCUs with a non-multiplexed bus
MCU
Data Bus
Width
CNTL0
CNTL1
CNTL2
PC7
PD0
2
ADIO0
PA3-PA0
PA7-PA3
8031
8
WR
RD
PSEN
(Note
1
)
ALE
A0
(Note
1
)
(Note
1
)
80C51XA
8
WR
RD
PSEN
(Note
1
)
ALE
A4
A3-A0
(Note
1
)
80C251
8
WR
PSEN
(Note
1
)
(Note
1
)
ALE
A0
(Note
1
)
(Note
1
)
80C251
8
WR
RD
PSEN
(Note
1
)
ALE
A0
(Note
1
)
(Note
1
)
80198
8
WR
RD
(Note
1
)
(Note
1
)
ALE
A0
(Note
1
)
(Note
1
)
68HC11
8
R/W
E
(Note
1
)
(Note
1
)
AS
A0
(Note
1
)
(Note
1
)
68HC912
8
R/W
E
(Note
1
)
DBE
AS
A0
(Note
1
)
(Note
1
)
Z80
8
WR
RD
(Note
1
)
(Note
1
)
(Note
1
)
A0
D3-D0
D7-D4
Z8
8
R/W
DS
(Note
1
)
(Note
1
)
AS
A0
(Note
1
)
(Note
1
)
68330
8
R/W
DS
(Note
1
)
(Note
1
)
AS
A0
(Note
1
)
(Note
1
)
M37702M2
8
R/W
E
(Note
1
)
(Note
1
)
ALE
A0
D3-D0
D7-D4
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PSD813F2A-12J | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs |
| PSD813F2A-12JI | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs |
| PSD813F2A-12JIT | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs |
| PSD813F2A-12JT | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs |
| PSD813F2A-12M | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs |
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