PSD4235G3-C-90U 查看數據表（PDF） - STMicroelectronics
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PSD4235G3-C-90U
STMicroelectronics
PSD4235G3-C-90U Datasheet PDF : 91 Pages
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PSD9XX Family
The
PSD935G2
Functional
Blocks
(cont.)
PSD935G2
Figure 13. An Example of a Typical 8-Bit Multiplexed Bus Interface
MICRO -
CONTROLLER
WR
RD
BHE
AD[ 7:0]
A[ 15:8]
ALE
RESET
PSD935G2
ADIO
PORT
WR (CNTRL0)
RD (CNTRL1)
BHE (CNTRL2)
RST
PORT
F
PORT
G
PORT
A,B, or
C
ALE (PD0)
PORT D
A[7: 0]
(OPTIONAL)
A[15: 8]
(OPTIONAL)
A [ 23:16]
(OPTIONAL)
Figure 14. An Example of a Typical 8-Bit Non-Multiplexed Bus Interface
MICRO -
CONTROLLER
D [ 7: 0]
A[ 15: 0]
WR
RD
BHE
ALE
RESET
PSD935G2
ADIO
PORT
WR (CNTRL0)
RD (CNTRL1)
BHE (CNTRL2)
RST
ALE (PD0)
PORT D
PORT
F
PORT
G
PORT
A,B or
C
D [7:0]
A[ 23:16]
(OPTIONAL)
38
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