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PSD835G2 Datasheet(PDF) 49 Page - STMicroelectronics

No. de pieza PSD835G2
Descripción Electrónicos  Flash PSD, 5V Supply, for 8-bit MCUs 4 Mbit 256 Kbit Dual Flash Memories and 64 Kbit SRAM
PDF  102 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PSD835G2 Datasheet(HTML) 49 Page - STMicroelectronics

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PSD835G2
External Chip
The CPLD also provides eight Chip Select outputs
that can be used to select external devices. The
Chip Selects can be routed to either Port C or Port
F, depending on the pin declaration in the PSD-
soft. Each Chip Select (ECS0-ECS7) consists of
one product term that can be configured active
High or Low.
The Output Enable of the pin is controlled by either
the Output Enable product term or the Direction
Register (See Figure 19).
Figure 19. External Chip Select
POLARITY
BIT
PD0 PIN
ECS PT
ECS TO
PORT C OR F
ENABLE (.OE) PT
DIRECTION
REGISTER
AI07654
PORT C OR PORT F



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