PM8313 datasheet(78/192 Pages) PMC

78 / 192 page

PM8313 D3MX

DATA SHEET

PMC-920702

ISSUE 5

M13 MULTIPLEXER

Bit

Type

Function

Default

Bit 7

REG2

Bit 6

REG3

Bit 5

XFDLINT

Bit 4

MX23

Bit 3

DS3FRMR

Bit 2

RFDLINT

Bit 1

RFDLEOM

Bit 0

RBOC

This register allows software to determine which of the MX23, DS3 FRMR, or

RBOC TSBs produced the interrupt on the INTB output pin and whether there

are any pending interrupts in the other two Interrupt Source registers. Also, this

their respective HDLC Controller outputs (i.e. RDLINT, RDLEOM, TDLINT,

TDLUDR). These four signals can be configured for active-low, open-drain output

and wire-ORed together with the INTB output to generate a global

microprocessor interrupt.

Reading this register does not remove the interrupt indication; the corresponding

TSB's interrupt status register must be read to remove the interrupt indication.

RBOC:

If the RBOC bit is a logic 1, the FEAC RBOC TSB is generating an interrupt.

to interrupt.

RFDLEOM:

If the RFDLEOM bit is a logic 1, the RFDL TSB is generating an interrupt due

to an end of message occurrence (also visible on the RDLEOM output when

configured for internal HDLC, i.e. REXHDLC=0).

RFDLINT:

If the RFDLINT bit is a logic 1, the RFDL TSB is generating an interrupt (also

visible on the RDLINT output when configured for internal HDLC, i.e.

REXHDLC=0).

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