PSD834F4A-20UI View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
PSD834F4A-20UI Datasheet PDF : 128 Pages
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PSD8XXFX
MCU bus interface
15.4
MCU bus interface examples
Figure 20, Figure 21, Figure 22, Figure 23, and Figure 24 show examples of the basic
connections between the PSD and some popular MCUs. The PSD Control input pins are
labeled as to the MCU function for which they are configured. The MCU bus interface is
specified using the PSDsoft Express Configuration.
Table 18. 8-bit data bus
BHE
A0
D7-D0
X
0
Even byte
X
1
Odd byte
t(s) Figure 19. An example of a typical 8-bit non-multiplexed bus interface
- Obsolete Produc MCU
D[ 7:0]
A[ 15:0]
WR
RD
BHE
ct(s) ALE
Obsolete Produ RESET
PSD
ADIO
PORT
WR (CNTRL0)
RD (CNTRL1)
BHE (CNTRL2)
RST
ALE (PD0)
PORT D
PORT
A
PORT
B
PORT
C
D [7:0]
A[ 23:16]
(OPTIONAL)
AI02879C
Doc ID 7833 Rev 7
61/128
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