5 i2c bus monitor register x - ibmrx, Table 475. i2c bus monitor register x - ibmrx, 475 i – Intel CONTROLLERS 413808 User Manual

Page 721: C bus monitor register x — ibmrx, Table 475. i, The i, C bus is hung and the i, C unit must be reset, C bus interface units—intel, Bit default description

Intel

413808 and 413812 I/O Controllers in TPER Mode

October 2007

Developer’s Manual

Order Number: 317805-001US

721

C Bus Interface Units—Intel

413808 and 413812

14.8.5

C Bus Monitor Register x — IBMRx

The I

C Bus Monitor Register (IBMRx) tracks the status of the

SCL

and

SDA

pins. The

values of these pins are recorded in this read-only register so that software may

determine if the I

C bus is hung and the I

C unit must be reset.

Table 475. I

C Bus Monitor Register x — IBMRx

Bit

Default

Description

31:02

Reserved

SCL

Status: This bit continuously reflects the value of the

SCL

pin.

SDA

Status: This bit continuously reflects the value of the

SDA

pin.

PCI

IOP

Attributes

Unit #

Attribute Legend:

RV = Reserved

PR = Preserved

RS = Read/Set

RW = Read/Write

RC = Read Clear

RO = Read Only

NA = Not Accessible

Intel XScale

processor internal bus address

offset

+2514H

+2534H

+2554H