PIC10LF322T-EMCSQTP datasheet(87/210 Pages) MICROCHIP

87 / 210 page

 2011 Microchip Technology Inc.

Preliminary

DS41585A-page 87

PIC10(L)F320/322

13.0

INTERNAL VOLTAGE

REGULATOR (IVR)

The Internal Voltage Regulator (IVR), which provides

operation above 3.6V is available on:

•PIC10(L)F320

•PIC10(L)F322

This circuit regulates a voltage for the internal device

logic while permitting the VDD and I/O pins to operate

at a higher voltage. When VDD approaches the

regulated voltage, the IVR output automatically tracks

the input voltage.

The IVR operates in one of three power modes based

on user configuration and peripheral selection. The

operating power modes are:

-High

-Low

- Power Save Sleep mode

Power modes are selected automatically depending on

the device operation, as shown in Table 13-1. Tracking

mode is selected automatically when VDD drops below

the safe operating voltage of the core.

TABLE 13-1:

IVR POWER MODES - REGULATED

Note:

IVR is disabled in Tracking mode, but will

consume

power.

See

Section 24.0

“Electrical Specifications”

for more

information.

VREGPM1 Bit

Sleep Mode

Memory Bias Power Mode

IVR Power Mode

EC Mode or INTOSC = 16 MHz (HP Bias)

High

INTOSC = 1 to 8 MHz (MP Bias)

INTOSC = 31 kHz to 500 kHz (LP Bias)

Low

Yes

Don’t Care

Low

1Yes

No HFINTOSC

Power Save(1)

No Peripherals

Note 1:

Forced to Low-Power mode by any of the following conditions:

•

BOR is enabled

•

HFINTOSC is an active peripheral source

•

Self-write is active

•

ADC is in an active conversion

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