PSD4204G3-90 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'PSD4204G3-90' PDF : 93 Pages View PDF
Preliminary Information
PSD4000 Series
The
PSD4000
Functional
Blocks
(cont.)
Figure 12. An Example of a Typical 16-Bit Multiplexed Bus Interface
PSD4135G2
MICRO -
CONTROLLER
WR
RD
BHE
AD[ 7:0]
AD[ 15:8]
ADIO
PORT
WR (CNTRL0)
RD (CNTRL1)
BHE (CNTRL2)
RST
PORT
F
PORT
G
PORT
A,B, or
C
A[7: 0]
(OPTIONAL)
A[ 15: 8]
(OPTIONAL)
A[ 23:16]
(OPTIONAL)
ALE
ALE (PD0)
RESET
PORT D
Figure 13. An Example of a Typical 16-Bit Non-Multiplexed Bus Interface
MICRO -
CONTROLLER
D[ 15:0]
A [ 15: 0]
WR
RD
BHE
ALE
RESET
PSD4135G2
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]
(OPTIONAL)
A[ 23:16]
(OPTIONAL)
37
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