PSD835G2 datasheet(14/102 Pages) STMICROELECTRONICS

Part #	PSD835G2

Description	Flash PSD, 5V Supply, for 8-bit MCUs 4 Mbit 256 Kbit Dual Flash Memories and 64 Kbit SRAM

PDF	102 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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14 / 102 page

PSD835G2

14/102

PE7

I/O CMOS

or Open

Drain

PE7 pin of Port E. This port pin can be configured to have the following functions:

MCU I/O – write to or read from a standard output or input port.

Latched address output.

VBATON battery backup indicator output. Goes High when power is drawn from an

external battery.

PF0-PF7

31-38

I/O CMOS

or Open

Drain

PF0 through PF7 pins of Port F. This port pins can be configured to have the

following functions:

MCU I/O – write to or read from a standard output or input port.

Input to the PLDs.

Latched address outputs.

As address A0-A3 inputs in 80C51XA mode.

As data bus port (D07) in non-multiplexed bus configuration.

PG0-

PG7

8, 30,

49, 50,

I/O CMOS

or Open

Drain

PG0 through PG7 pins of Port G. This port pins can be configured to have the

following functions:

MCU I/O – write to or read from a standard output or input port.

Latched address outputs.

VCC

9, 29,

Supply Voltage

GND

8, 30,

49, 50,

Ground pins

Name

Type

Description

PSD835G2 Datasheet(PDF) 14 Page - STMicroelectronics

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