HD404458 datasheet(19/122 Pages) RENESAS

19 / 122 page

HD404459 Series

Item

Abbr.

Status After

Cancellation of Stop

Mode by

STOPC Input

Status After

Cancellation of Stop

Mode by MCU Reset

Status After all Other

Types of Reset

Carry flag

(CA)

Pre-stop-mode values are not guaranteed;

values must be initialized by program

Pre-MCU-reset values

are not guaranteed;

values must be

initialized by program

Accumulator

(A)

B register

(B)

W register

(W)

X/SPX register

(X/SPX)

Y/SPY register

(Y/SPY)

Serial data register

(SRL, SRU)

RAM

Pre-stop-mode values are retained

RAM enable flag

(RAME)

Port mode register

C bit 2

(PMRC)

Pre-stop-mode values

are retained

System clock select

register1 bit 3

(SSR13)

Table 2

Vector Addresses and Interrupt Priorities

Reset/Interrupt

Priority

Vector Address

RESET,

STOPC*

—

$0000

INT

$0002

INT

$0004

Timer D

$0006

Timer A, INT

$0008

Timer B, INT

$000A

Timer C, Serial

$000C

Wakeup

$000E

Note:

* The

STOPC interrupt request is valid only in stop mode.

HD404458 Datasheet(PDF) 19 Page - Renesas Technology Corp

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