PSD835G2 datasheet(20/102 Pages) STMICROELECTRONICS

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PSD835G2

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All the registers of the PSD are included here, for reference. Detailed descriptions of these registers can

be found in the following sections.

Table 6. Data-In Registers – Ports A, B, C, D, E, F, G

Note: Bit Definitions (Read only registers):

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

Table 7. Data-Out Registers – Ports A, B, C, D, E, F, G

Note: Bit Definitions:

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

Table 8. Direction Registers – Ports A, B, C, D, E, F, G

Note: Bit Definitions:

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

Port pin 1 = Port pin is configured in Output mode.

Table 9. Control Registers – Ports E, F, G

Note: Bit Definitions:

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

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

Table 10. Drive Registers – Ports A, B, D, E, G

Note: Bit Definitions:

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

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

Table 11. Drive Registers – Ports C, F

Note: Bit Definitions:

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

Port pin 1 = Port pin is configured in Slew Rate mode.

Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 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 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 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 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 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 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 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 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 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 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 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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