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| 型號(hào)： | ZPSD513B1-15LI |
| 英文描述： | Schottky Barrier Diodes |
| 中文描述： | 肖特基勢(shì)壘二極管 |
| 文件頁(yè)數(shù)： | 32/153頁(yè) |
| 文件大?。?/td> | 1036K |
| 代理商： | ZPSD513B1-15LI |
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PSD5XX Famly
29
9.2
Bus
Interface
The Bus Interface is very flexible and can be configured to interface to most
microcontrollers with no glue logic. Table 4 lists some of the bus types to which the Bus
Interface is able to interface.
9.2.1 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 PSD5XX is able to
interface to most microcontrollers, including the ones listed in Table 4. In Table 5, the
names of the bus control input signal pins and their multiple functions are shown. For
example, Pin PE0 can be configured by the PSD configuration software to perform any one
of the five functions. Examples on the interface between the PSD5XX and some typical
microcontrollers are shown in following sections.
Pin Name
Pin
Pin
Pin
Pin
Pin
Function
1
Function
2
Function
3
Function
4
Function
5
RD
RD
E
DS
LDS
WR
WR
R/W
WRL
PE0
BHE
PSEN
WRH
UDS
SIZ0
PE1
ALE
AD0
A0
BLE
Table 5. Alternate Pin Functions
9.2.2 PSD5XX Interface To a Multiplexed Bus
Figure 14 shows a typical connection to a microcontroller with a multiplexed bus. The ADIO
port of the PSD5XX is connected directly to the microcontroller address/data bus
(AD0-AD15 for 16 bit 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 16 bit multiplexed bus is shown in
Figure 15. The ADIO port is in tri-state mode if none of the PSD5XX internal devices are
selected.
Multiplexed
Data Bus
Width
Bus Control
Signals
Microcontroller
Mux
8
WR, RD, PSEN, A0
8031/80C51
Mux/Non-mux
8/16
R/W, E, BHE, A0
68HC11
Mux
8/16
WR, RD, BHE, A0
80C196/80C186
Mux
16
WRL, RD, WRH, A0
80C196SP
Non-mux
16
R/W, LDS, UDS
68302
Non-mux
8/16
R/W, DS, SIZ0, A0
68340
Non-mux
16
R/W, DS, BHE, BLE
68330, 68331
Non-mux
8
RD, WR
68HC05C
Non-mux
16
R/W, E, LSTRB, A0
68HC12
Non-mux
16
R/W, DS
68HC16
Table 4. Typical Microcontroller Bus Types
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ZPSD513B1-15LM | Schottky Barrier Diodes |
| ZPSD513B1-15U | Schottky Barrier Diodes |
| ZPSD513B1-15UI | Schottky Barrier Diodes |
| ZPSD513B1-20J | Schottky Barrier Diodes |
| ZPSD513B1-20JI | Schottky Barrier Diodes |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ZPSD513B1-C-15L | 制造商:WSI 功能描述: |
| ZPSD602E1-15L | 制造商:WSI 功能描述: |
| ZPSD611E1-15J | 制造商:WSI 功能描述: |
| ZPSD611E1-15JI | 制造商:WSI 功能描述: |
| ZPSD611E1-15L | 制造商:WSI 功能描述: |
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