M38K09RFS datasheet(224/328 Pages) RENESAS

Part #	M38K09RFS

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

PDF	328 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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224 / 328 page

2.12 Standby function

Rev.2.00

Oct 05, 2006

page 95 of 111

38K0 Group

REJ09B0337-0200

APPLICATION

2.12.3 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 2.12.1 shows the state in the stop mode.

Table 2.12.1 State in stop mode

Item

Oscillation

CPU

Internal clock

I/O ports P0–P6

Timer

Watchdog timer

Serial I/O

USB 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.

M38K09RFS Datasheet(PDF) 224 Page - Renesas Technology Corp