TNETV2501INPGF datasheet(88/197 Pages) TI1

88 / 197 page

Functional Overview

December 2002 − Revised November 2008

SPRS206K

3.10.7.3 Peripheral IDLE Control Register (PICR)

Reserved

MISC

EMIF

BIOST

WDT

PIO

URT

R, 00

R/W, 0

I2C

Reserved

SP1

SP0

TIM1

TIM0

R/W, 0

LEGEND: R = Read, W = Write, n = value at reset

Figure 3−28. Peripheral IDLE Control Register Layout (0x9400)

Table 3−29. Peripheral IDLE Control Register Bit Field Description

BIT NAME

BIT NO.

ACCESS

RESET VALUE

DESCRIPTION

Reserved

15−14

Reserved

MISC

13†

R/W

MISC bit

MISC = 0:

Miscellaneous modules remain active when

ISTR.PERIS = 1 and IDLE instruction is executed.

MISC = 1:

MIscellaneous module is disabled when

ISTR.PERIS = 1 and IDLE instruction is executed.

Miscellaneous modules include the XBSR, TIMEOUT Error Register,

XBCR, Timer Signal Selection Register, CLKOUT Select Register,

and Clock Mode Control Register.

EMIF

12†

R/W

EMIF bit

EMIF = 0:

EMIF module remains active when ISTR.PERIS = 1

and IDLE instruction is executed.

EMIF = 1:

EMIF module is disabled when ISTR.PERIS = 1 and

IDLE instruction is executed.

BIOST

11†

R/W

BIOS timer bit

BIOST = 0:

DSP/BIOS timer remains active when ISTR.PERIS = 1

and the IDLE instruction is executed.

BIOST = 1:

DSP/BIOS timer is disabled when ISTR.PERIS = 1 and

the IDLE instruction is executed.

WDT

10†

R/W

Watchdog timer bit

WDT = 0:

WDT remains active when ISTR.PERIS = 1

and the IDLE instruction is executed.

WDT = 1:

WDT is disabled when ISTR.PERIS = 1 and

the IDLE instruction is executed.

PIO

9†

R/W

Parallel GPIO bit

PIO = 0:

Parallel GPIO remains active when ISTR.PERIS = 1

(ISTR.[3]) and the IDLE instruction is executed.

PIO = 1:

Parallel GPIO is disabled when ISTR.PERIS = 1 and

the IDLE instruction is executed.

† If the peripheral is already in IDLE, setting PERI (bit 3 of ICR) to 0 and executing the IDLE instruction will wake up all peripherals, and PICR bit

settings will be ignored. If PERIS (bit 3 of ISTR) = 1, executing the IDLE instruction will wake up the peripheral if its PICR bit is 0.

TNETV2501INPGF Datasheet(PDF) 88 Page - Texas Instruments

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