PSD813F2 datasheet(11/110 Pages) STMICROELECTRONICS

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PSD813F2, PSD833F2, PSD834F2, PSD853F2, PSD854F2

Reset

Resets I/O Ports, PLD macrocells and some of the Configuration Registers. Must be Low

at Power-up.

PA0

PA1

PA2

PA3

PA4

PA5

PA6

PA7

I/O

These pins make up Port A. These port pins are configurable and can have the following

functions:

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

CPLD macrocell (McellAB0-7) outputs.

Inputs to the PLDs.

Latched address outputs (see Table 6).

Address inputs. For example, PA0-3 could be used for A0-A3 when using an 80C51XA in

burst mode.

As the data bus inputs D0-D7 for non-multiplexed address/data bus MCUs.

D0/A16-D3/A19 in M37702M2 mode.

Peripheral I/O mode.

Note: PA0-PA3 can only output CMOS signals with an option for high slew rate. However,

PA4-PA7 can be configured as CMOS or Open Drain Outputs.

PB0

PB1

PB2

PB3

PB4

PB5

PB6

PB7

I/O

These pins make up Port B. These port pins are configurable and can have the following

functions:

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

CPLD macrocell (McellAB0-7 or McellBC0-7) outputs.

Inputs to the PLDs.

Latched address outputs (see Table 6).

Note: PB0-PB3 can only output CMOS signals with an option for high slew rate.

However, PB4-PB7 can be configured as CMOS or Open Drain Outputs.

PC0

I/O

PC0 pin of Port C. 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.

CPLD macrocell (McellBC0) output.

Input to the PLDs.

TMS Input2 for the JTAG Serial Interface.

This pin can be configured as a CMOS or Open Drain output.

PC1

I/O

PC1 pin of Port C. 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.

CPLD macrocell (McellBC1) output.

Input to the PLDs.

TCK Input2 for the JTAG Serial Interface.

This pin can be configured as a CMOS or Open Drain output.

Pin Name

Type

Description

PSD813F2 Datasheet(PDF) 11 Page - STMicroelectronics

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