HD4046212RFS datasheet(22/157 Pages) RENESAS

22 / 157 page

HD404629R Series

Table 1 Initial Values After MCU Reset (cont)

Item

Abbr.

Initial

Value

Contents

Timer/

counters,

Timer write register B

(TWBU,

TWBL)

$X0

—

serial

interface

Timer write register C

(TWCU,

TWCL)

$X0

—

Timer write register D

(TWDU,

TWDL)

$X0

—

Octal counter

(OC)

000

—

A/D

A/D mode register

(AMR)

00 - 0

Refer to description of A/D mode register

A/D data register

(ADRL,

ADRU)

$80

Refer to description of A/D data register

LCD

LCD control register

(LCR)

- 000

Refer to description of LCD control register

LCD mode register

(LMR)

0000

Refer to description of LCD duty-cycle/clock

control register

LCD output register 1

(LOR1)

0000

Sets R-port/LCD segment pins to R port mode

LCD output register 2

(LOR2)

0000

LCD output register 3

(LOR3)

- 000

DTMF

Tone generator mode

(TGM)

0000

Refer to description of tone generator mode

Tone generator control

(TGC)

000 -

Refer to description of tone generator control

Bit registers

Low speed on flag

(LSON)

Refer to description of operating modes

Watchdog timer on flag

(WDON)

Refer to description of timer C

A/D start flag

(ADSF)

Refer to description of A/D converter

Direct transfer on flag

(DTON)

Refer to description of operating modes

Input capture status flag

(ICSF)

Refer to description of timer D

Input capture error flag

(ICEF)

Refer to description of timer D

Others

Miscellaneous register

(MIS)

0000

Refer to description of operating modes, I/O, and

serial interface

System clock select

(SSR)

0000

Refer to description of operating modes,

oscillation circuits, and DTMF generator

Bank register

(V)

- - 00

Refer to description of RAM memory map

Notes: 1. The statuses of other registers and flags after MCU reset are shown in the following table.

2. X indicates invalid value. – indicates that the bit does not exist.

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