Otp rom, 12 oscillator, Oscillator modes – ELAN Home Systems EM78P458 User Manual

Page 45

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EM78P458/459

OTP ROM

Address

Name

Reset Type

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Wake-up

from

Pin

Changed

P P P P P P P P

Bit

Name

P57 P56 P55 P54 P53 P52 P51 P50

Power-on

1 1 1 1 1 1 1 1

/RESET

and

WDT 1 1 1 1 1 1 1 1

0x05 P5

Wake-up

from

Pin

Changed

P P P P P P P P

Bit Name

P67

P66

P65

P64

P63 P62 P61 P60

Power-on

1 1 1 1 1 1 1 1

/RESET

and

WDT 1 1 1 1 1 1 1 1

0x06 P6

Wake-up

from

Pin

Changed

P P P P P P P P

Bit

Name

- - - - - - - -

Power-on

U U U U U U U U

/RESET

and

WDT P P P P P P P P

0x7~0x8 R7~R8

Wake-up

from

Pin

Changed

P P P P P P P P

Bit Name

X

X

IOCS

ADRUN

ADPD

ADAS2

ADAS1

ADAS0

Power-on

0 0 0 0 0 0 0 0

/RESET

and

WDT 0 0 0 0 0 0 0 0

0x9

R9

(ADCON)

Wake-up

from

Pin

Changed

P P P P P P P P

Bit

Name

- - - - - - - -

Power-on

0 0 0 0 0 0 0 0

/RESET

and

WDT 0 0 0 0 0 0 0 0

0xA

RA

(ADDDATA)

Wake-up

from

Pin

Changed

P P P P P P P P

Bit

Name

Bit7 Bit6 Bit5 Bit4 Bit3

Bit2

Bit1

Bit0

Power-on

0 0 0 0 0 0 0 0

/RESET

and

WDT 0 0 0 0 0 0 0 0

0xB

RB

(TMR1L)

Wake-up

from

Pin

Changed

P P P P P P P P

Bit

Name

X X X X X

X

Bit1

Bit0

Power-on

0 0 0 0 0 0 0 0

/RESET

and

WDT 0 0 0 0 0 0 0 0

0xC

RC

(TMR1H)

Wake-up

from

Pin

Changed

0 0 0 0 0 0 P P

Bit

Name

Bit7 Bit6 Bit5 Bit4 Bit3

Bit2

Bit1

Bit0

Power-on

0 0 0 0 0 0 0 0

/RESET

and

WDT 0 0 0 0 0 0 0 0

0xD

RD

(TMR2L)

Wake-up

from

Pin

Changed

P P P P P P P P

Bit

Name

X X X X X

X

Bit1

Bit0

Power-on

0 0 0 0 0 0 0 0

/RESET

and

WDT 0 0 0 0 0 0 0 0

0xE

RE

(TMR2H)

Wake-up

from

Pin

Changed

0 0 0 0 0 0 P P

Bit Name

X

CMPIF

PWM2IF PWM1IF

ADIF

EXIF

ICIF

TCIF

Power-on

0 0 0 0 0 0 0 0

/RESET

and

WDT 0 0 0 0 0 0 0 0

0xF

RF

(ISR)

Wake-up

from

Pin

Changed

0 P P P P P P P

Bit

Name

- - - - - - - -

Power-on

U U U U U U U U

/RESET

and

WDT P P P P P P P P

0x10~0x3F R10~R3F

Wake-up

from

Pin

Changed

P P P P P P P P

X: not used. U: unknown or don’t care.

P: previous value before reset.

t: check Table 5

4.12 Oscillator

1. Oscillator Modes

This specification is subject to change without prior notice. 07.01.2003 (V1.3)

45

The EM78P458 and EM78P459 can be operated in four different oscillator modes, such as High

XTAL oscillator mode (HXT), Low XTAL oscillator mode (LXT), External RC oscillator mode (ERC),

and RC oscillator mode with Internal capacitor (IC). Users can select one of them by programming the

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