M38047F9HKP datasheet(277/387 Pages) RENESAS

部件名	M38047F9HKP

功能描述	8-BIT CISC SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES

PDF	387 Pages

Scroll/Zoom	100%

制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

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277 / 387 page

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APPLICATION

2.12 Standby function

Rev.1.00 Jan 14, 2005

REJ09B0212-0100Z

3804 Group (Spec.H)

2.12.2 Wait mode

The wait mode is set by execution of the WIT instruction. In the wait mode, oscillation continues, but the

internal clock

φ stops at the “H” level.

The CPU stops, but most of the peripheral units continue operating.

(1)

State in wait mode

The continuation of oscillation permits clock supply to the peripheral units. Table 2.12.2 shows the

state in the wait mode.

Table 2.12.2 State in wait mode

Item

Oscillation

CPU

Internal clock

I/O ports P0–P6

Timer

PWM

Watchdog timer

Serial I/O1, Serial I/O2, Serial I/O3

I2C-BUS interface

A/D converter

D/A converter

State in wait mode

Operating.

Stopped.

Stopped at “H” level.

Retains the state at the WIT instruction execution.

Operating.

Stopped.

Operating.

Retains output voltage.

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