HD404612FS datasheet(28/91 Pages) RENESAS

28 / 91 page

HD404618 Series

Reset

f :

CPU

CLK

PER

OSC

Operating

Stopped

cyc

f :

CPU

CLK

PER

OSC

Operating

Stopped

SUB

cyc

f :

CPU

CLK

PER

OSC

Operating

cyc

f :

CPU

CLK

PER

OSC

Operating

cyc

SUB

cyc

f :

CPU

CLK

PER

OSC

Stopped

Operating

SUB

f :

CPU

CLK

PER

OSC

Stopped

Operating

Stopped

f :

CPU

CLK

PER

OSC

Stopped

Operating

Stopped

SUB

f :

CPU

CLK

PER

OSC

Stopped

Operating

Stopped

SUB

Standby mode

Stop mode

(TMA3 = 0)

Watch mode

Subactive mode

(TMA3 = 1)

(TMA3 = 1, LSON = 0)

(TMA3 = 1, LSON = 1)

(TMA3 = 0)

SBY (standby)

Interrupt

Timers A, B, C,

Serial,

INT , INT

SBY (standby)

Interrupt

STOP

INT ,

Timer A

INT ,

Timer A

STOP

STOP/SBY

(LSON = 1)

f :

LSON:

DTON:

cyc

SUB

OSC

Main oscillation frequency

Suboscillation frequency

for time-base

f /8

System clock

Clock for time-base

Clock for other

peripheral functions

Low speed on flag

Direct transfer on flag

OSC

CPU

CLK

PER

Active mode

Timers A, B, C,

Serial,

INT , INT

Notes:

Time-base interrupt

STOP/SBY (DTON = 1, LSON = 0)

STOP/SBY (DTON = 0, LSON = 0)

DTON is not affected

Figure 10 MCU Status Transitions

Table 17 I/O Status in Low-Power Dissipation Modes

Output

Input

Standby Mode, Watch Mode

Stop Mode

Active Mode, Subactive Mode

0–D 9

Retained

High impedance

Input enabled

10–D 13

—

Input enabled

R0–R3

Retained

High impedance

Input enabled

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