PSD4254F3V-70UI 查看數據表（PDF） - STMicroelectronics
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PSD4254F3V-70UI
STMicroelectronics
PSD4254F3V-70UI Datasheet PDF : 89 Pages
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Figure 19. An Example of a Typical 16-bit Multiplexed Bus Interface
PSD4235G2
MCU
WR
RD
BHE
ALE
AD[ 7:0]
AD[ 15:8]
RESET
PSD
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)
AI04928
Figure 20. An Example of a Typical 16-bit Non-Multiplexed Bus Interface
MCU
D[ 15:0]
A[ 15:0]
WR
RD
BHE
ALE
RESET
PSD
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]
D[ 15:8]
A[ 23:16]
(OPTIONAL)
AI04929
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