TMP89FS60 datasheet(40/410 Pages) TOSHIBA

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Page 26

2. CPU Core

2.3 System clock controller

TMP89FS60

RA001

2.3.5.4

Transition of operation modes

Note 1: The NORMAL1 and NORMAL2 modes are generically called the NORMAL mode; the SLOW1 and SLOW2 modes are

called the SLOW mode; the IDLE0, IDLE1 and IDLE2 modes are called the IDLE mode; and the SLEEP0 and SLEEP1

are called the SLEEP mode.

Note 2: The mode is released by the falling edge of the source clock selected at TBTCR<TBTCK>.

Figure 2-7 Operation Mode Transition Diagram

IDLE0

mode

RESET

Warm-up that

follows reset

release

NORMAL1

mode

STOP

NORMAL2

mode

SLOW2

mode

SLOW1

mode

IDLE0

mode

IDLE2

mode

SLEEP1

mode

SLEEP0

mode

(a) Single-clock mode

(b) Dual-clock mode

SYSCR2<IDLE> = "1"

SYSCR1<STOP> = "1"

SYSCR2<IDLE> = "1"

SYSCR1<STOP> = "1"

SYSCR2<IDLE> = "1"

SYSCR1<STOP> = "1"

Interrupt

STOP mode release

signal

STOP mode release

signal

STOP mode release

signal

Interrupt

SYSCR2<TGHA L

T> = "1"

SYSCR2<XTEN> = "0"

SYSCR2<XTEN> = "1"

SYSCR2<SYSCK> = "0"

SYSCR2<SYSCK> = "1"

SYSCR2<XEN> = "0"

SYSCR2<TGHALT> = "1"

Reset release

Warm-up completed

SYSCR2<XEN> = "1"

(Note 2)

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