38K2 datasheet(245/358 Pages) RENESAS

Part #	38K2

Description	RENESAS 8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES

PDF	358 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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245 / 358 page

2.13 Standby function

Rev.2.00

Oct 15, 2006

page 96 of 112

38K2 Group

REJ09B0338-0200

APPLICATION

2.13.3 Stop mode

The stop mode is set by executing the STP instruction. In the stop mode, the oscillation of clock (XIN–XOUT)

stops and the internal clock

φ stops at the “H” level. The CPU stops and peripheral units stop operating.

As a result, power dissipation is reduced.

(1)

State in stop mode

Table 2.13.1 shows the state in the stop mode.

Table 2.13.1 State in stop mode

Item

Oscillation

CPU

Internal clock

I/O ports P0–P6

Timer

Watchdog timer

Serial I/O

USB function

HUB function

External BUS interface

A/D converter

Comparator

State in stop mode

Stopped.

Stopped at “H” level.

Retains the state at the STP instruction execution.

Stopped. (Timers 1, 2, X)

However, Timers X can be operated in the event counter mode.

Stopped.

However, these can be operated only when an external clock

is selected.

Stopped.

38K2 Datasheet(PDF) 245 Page - Renesas Technology Corp