PSD4235G2 Datasheet, PDF (15/89 Pages) STMicroelectronics – Flash In-System Programmable ISP Peripherals For 16-bit MCUs 5V Supply

PSD4235G2
REGISTER BIT DEFINITION
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, G
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Port pin 7 Port pin 6 Port pin 5 Port pin 4
Note: Bit Definitions (Read-only registers):
Read Port pin status when Port is in MCU I/O input mode.
Port pin 3
Bit 2
Port pin 2
Table 8. Data-Out Registers – Ports A, B, C, D, E, F, G
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Port pin 7 Port pin 6 Port pin 5 Port pin 4 Port pin 3 Port pin 2
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, G
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Port pin 7 Port pin 6 Port pin 5 Port pin 4 Port pin 3
Note: Bit Definitions:
Port pin <i> 0 = Port pin <i> is configured in Input mode (default).
Port pin <i> 1 = Port pin <i> is configured in Output mode.
Bit 2
Port pin 2
Table 10. Control Registers – Ports E, F, G
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Port pin 7 Port pin 6 Port pin 5 Port pin 4 Port pin 3
Note: Bit Definitions:
Port pin <i> 0 = Port pin <i> is configured in MCU I/O mode (default).
Port pin <i> 1 = Port pin <i> is configured in Latched Address Out mode.
Bit 2
Port pin 2
Table 11. Drive Registers – Ports A, B, D, E, G
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Port pin 7 Port pin 6 Port pin 5 Port pin 4 Port pin 3
Note: Bit Definitions:
Port pin <i> 0 = Port pin <i> is configured for CMOS Output driver (default).
Port pin <i> 1 = Port pin <i> is configured for Open Drain output driver.
Bit 2
Port pin 2
Table 12. Drive Registers – Ports C, F
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Port pin 7 Port pin 6 Port pin 5 Port pin 4 Port pin 3
Note: Bit Definitions:
Port pin <i> 0 = Port pin <i> is configured for CMOS Output driver (default).
Port pin <i> 1 = Port pin <i> is configured in Slew Rate mode.
Bit 2
Port pin 2
Bit 1
Port pin 1
Bit 1
Port pin 1
Bit 1
Port pin 1
Bit 1
Port pin 1
Bit 1
Port pin 1
Bit 1
Port pin 1
Bit 0
Port pin 0
Bit 0
Port pin 0
Bit 0
Port pin 0
Bit 0
Port pin 0
Bit 0
Port pin 0
Bit 0
Port pin 0
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