PSD4235G2V-10UI datasheet(20/100 Pages) STMICROELECTRONICS

20 / 100 page

PSD4256G6V

20/100

This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

All the registers of the PSD are included here, for

reference. Detailed descriptions of these registers

can be found in the following sections.

Table 7. Data-In Registers - Ports A, B, C, D, E, F, and G

Note: Bit Definitions (Read only registers):

READ Port pin status when Port is in MCU I/O input mode.

Table 8. Data-Out Registers - Ports A, B, C, D, E, F, and G

Note: Bit Definitions:

Latched data for output to Port pin when pin is configured in MCU I/O output mode.

Table 9. Direction Registers - Ports A, B, C, D, E, F, and G

Note: Bit Definitions:

Portpin 0 = Port pin is configured in Input mode (default).

Portpin 1 = Port pin is configured in Output mode.

Table 10. Control Registers - Ports E, F, and G

Note: Bit Definitions:

Portpin 0 = Port pin is configured in MCU I/O mode (default).

Portpin 1 = Port pin is configured in Latched Address Out mode.

Table 11. Drive Registers - Ports A, B, D, E, and G

Note: Bit Definitions:

Portpin 0 = Port pin is configured for CMOS Output driver (default).

Portpin 1 = Port pin is configured for Open Drain output driver.

Table 12. Enable-Out Registers - Ports A, B, C, and F

Note: Bit Definitions (Read only registers):

Portpin 0 = Port pin is in tri-state driver (default).

Portpin 1 = Port pin is enabled.

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Port pin 7

Port pin 6

Port pin 5

Port pin 4

Port pin 3

Port pin 2

Port pin 1

Port pin 0

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Port pin 7

Port pin 6

Port pin 5

Port pin 4

Port pin 3

Port pin 2

Port pin 1

Port pin 0

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Port pin 7

Port pin 6

Port pin 5

Port pin 4

Port pin 3

Port pin 2

Port pin 1

Port pin 0

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Port pin 7

Port pin 6

Port pin 5

Port pin 4

Port pin 3

Port pin 2

Port pin 1

Port pin 0

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Port pin 7

Port pin 6

Port pin 5

Port pin 4

Port pin 3

Port pin 2

Port pin 1

Port pin 0

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Port pin 7

Port pin 6

Port pin 5

Port pin 4

Port pin 3

Port pin 2

Port pin 1

Port pin 0

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