PSD913G3V-C-90UI Ver la hoja de datos (PDF) - STMicroelectronics
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PSD913G3V-C-90UI Datasheet PDF : 94 Pages
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PSD9XX Family
The
PSD9XX
Functional
Blocks
(cont.)
Preliminary Information
Figure 12. An Example of a Typical 8-Bit Multiplexed Bus Interface
MICRO -
CONTROLLER
WR
RD
AD [ 7:0]
A[ 15:8]
ALE
RESET
PSD9XXF
ADIO
PORT
WR (CNTRL0)
RD (CNTRL1)
RST
ALE (PD0)
PORT D
PORT
A
PORT
B
PORT
C
A[ 7: 0]
(OPTIONAL)
A[ 15: 8]
(OPTIONAL)
Figure 13. An Example of a Typical 8-Bit Non-Multiplexed Bus Interface
MICRO -
CONTROLLER
D [7:0]
A [ 15:0]
WR
RD
ALE
RESET
PSD9XXF
ADIO
PORT
WR (CNTRL0)
RD (CNTRL1)
RST
ALE (PD0)
PORT D
PORT
A
PORT
B
PORT
C
D[ 7:0]
A[ 23:16]
(OPTIONAL)
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