beautypg.com

3 i/o address map, I/o address map – Kontron COMe-bP5020 User Manual

Page 35

background image

www.kontron.com

35

User Guide

COMe-bP5020

3.3 I/O Address Map

For the COMe-bP5020, the register address is composed of the base address of the Onboard Logic indicated in the virtual mem-
ory map (see Table 14) and the respective address offset indicated in the I/O address map (Table 15):

register address = 0xFF00_0000 base + address offset.

Table 15: I/O Address Map

ADDRESS OFFSET

DEVICE

ACRONYM

0x003

GPIO Direction Register 0

GPDIR0

0x004

GPIO Direction Register 1

GPDIR1

0x005

GPIO Data Register 0

GPDAT0

0x006

GPIO Data Register 1

GPDAT1

0x280

Status Register 0

STAT0

0x284

Device Protection Register

DPROT

0x285

Reset Status Register

RSTAT

0x288

Board ID High Byte Register

BIDH

0x289

Board and PLD Revision Register

BREV

0x28C

Watchdog Timer Control Register

WTIM

0x28D

Board ID Low Byte Register

BIDL

0x374

Carrier Interrupt Mode 1

CIM1

0x375

Carrier Interrupt Mode 2

CIM2

0x376

Board Interrupt Pending Register 1

BIPR1

0x377

Board Interrupt Pending Register 2

BIPR2

0x378

Board Interrupt Pending Register 3

BIPR3

0x37A

Board Interrupt Enable 1

BIE1

0x37B

Board Interrupt Enable 2

BIE2

0x380

Interrupt Multiplexer 1 Register

IMUX1

0x381

Interrupt Multiplexer 2 Register

IMUX2

0x390

Carrier Control Register

CCR