PIC18F2450-I/ML【PDF 7/241 页】IC PIC MCU FLASH 8KX16 28QFN

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Sheet目录3853

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104

XMEGA A [MANUAL]

8077I–AVR–11/2012

Bit 2 – DAC: Power Reduction DAC

Setting this bit stops the clock to the DAC. The DAC should be disabled before stopped.

Bit 1 – ADC: Power Reduction ADC

Setting this bit stops the clock to the ADC. The ADC should be disabled before stopped.

Bit 0 – AC: Power Reduction Analog Comparator

Setting this bit stops the clock to the analog comparator. The AC should be disabled before shutdown.

8.7.3

PRPC/D/E/F – Power Reduction Port C/D/E/F register

Bit 7 – Reserved

This bit is unused and reserved for future use. For compatibility with future devices, always write this bit to zero when this

Bit 6 – TWI: Two-Wire Interface

Setting this bit stops the clock to the two-wire interface. When this bit is cleared, the peripheral should be reinitialized to

ensure proper operation.

Bit 5 – USART1

Setting this bit stops the clock to USART1. When this bit is cleared, the peripheral should be reinitialized to ensure proper

operation.

Bit 4 – USART0

Setting this bit stops the clock to USART0. When this bit is cleared, the peripheral should be reinitialized to ensure proper

operation.

Bit 3 – SPI: Serial Peripheral Interface

Setting this bit stops the clock to the SPI. When this bit is cleared, the peripheral should be reinitialized to ensure proper

operation.

Bit 2 – HIRES: High-Resolution Extension

Setting this bit stops the clock to the high-resolution extension for the timer/counters. When this bit is cleared, the

peripheral should be reinitialized to ensure proper operation.

Bit 1 – TC1: Timer/Counter 1

Setting this bit stops the clock to timer/counter 1. When this bit is cleared, the peripheral will continue like before the shut

down.

Bit 0 – TC0: Timer/Counter 0

Setting this bit stops the clock to timer/counter 0. When this bit is cleared, the peripheral will continue like before the shut

down.

Bit

654

3210

+0x03/+0x04/+0x05/+0x06

–

TWI

USART1

USART0

SPI

HIRES

TC1

TC0

Read/Write

R/W

Initial Value

000

0000

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