psd835g2 STMicroelectronics, psd835g2 Datasheet - Page 26

• Manufacturer Part Number: psd835g2
• Description: Configurable Memory System On A Chip For 8-bit Microcontrollers
• Manufacturer: STMicroelectronics

Register bit definition
5
26/120
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.
Data-In registers – ports A, B, C, D, E, F, G
Read port pin status when port is in MCU I/O input mode
Data-Out registers – ports A, B, C, D, E, F, G
Latched data for output to port pin when pin is configured in MCU I/O output mode.
Direction registers – ports A, B, C, D, E, F, G
Control registers – ports E, F, G
Drive registers – ports A, B, D, E, G
Port pin 7
Port pin 7
Port pin 7
Port pin 7
Port pin 7
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
Port pin <i> 0 = port pin <i> is configured in Input mode (default).
Port pin <i> 0 = port pin <i> is configured in MCU I/O mode (default).
Port pin <i> 0 = port pin <i> is configured for CMOS Output driver (default).
Port pin 6
Port pin 6
Port pin 6
Port pin 6
Port pin 6
Bit 6
Bit 6
Bit 6
Bit 6
Bit 6
1 = port pin <i> is configured in Output mode.
1 = port pin <i> is configured in Latched Address Out mode.
1 = port pin <i> is configured for Open Drain output driver.
Port pin 5
Port pin 5
Port pin 5
Port pin 5
Port pin 5
Bit 5
Bit 5
Bit 5
Bit 5
Bit 5
Port pin 4
Port pin 4
Port pin 4
Port pin 4
Port pin 4
Bit 4
Bit 4
Bit 4
Bit 4
Bit 4
Read-only registers
Port pin 3
Port pin 3
Port pin 3
Port pin 3
Port pin 3
Bit 3
Bit 3
Bit 3
Bit 3
Bit 3
Port pin 2
Port pin 2
Port pin 2
Port pin 2
Port pin 2
Bit 2
Bit 2
Bit 2
Bit 2
Bit 2
Port pin 1
Port pin 1
Port pin 1
Port pin 1
Port pin 1
Bit 1
Bit 1
Bit 1
Bit 1
Bit 1
PSD835G2
Port pin 0
Port pin 0
Port pin 0
Port pin 0
Port pin 0
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0