EM78P372KSS20 datasheet(92/118 Pages) EMC

92 / 118 page

EM78P372K

8-bit Microcontroller



Product Specification (V1.4) 05.11.2016

(This specification is subject to change without prior notice)

7.13.3 Code Option Register (Word 2)

Word 2

Bit

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Mne

monic

–

SFS

–

IRCPSS IRCIRS

HLP

–

WDTPS

ID2

ID1

ID0

–

16kHz

–

Internal Regulator

High

–

18ms

High

–

128kHz

–

VDD

Bandgap

Low

–

4.5ms

Low

Bit 12:

Not used, (reserved). This bit is

set to “1” all the time.

Bit 11:

Not used, (reserved). This bit is

set to “0” all the time.

Bit 10:

Not used, (reserved). This bit is

set to “1” all the time.

Bit 9 (SFS):

Sub-oscillator select for Green mode and TCC, PWM1, PWM2

clock source.

(Not include WDT time-out and free run setup-up time)

0 : 128kHz

1 : 16kHz (default)

Bit 8:

Not used, (reserved). This bit is

set to “0” all the time.

Bit 7 (IRCPSS):

IRC Power Source Select

0 = VDD

1 = Internal reference (default)

Bit 6 (IRCIRS):

IRC Internal reference Select.

0 = IRC Bandgap Mode (Vref is used from Bandgap).

1 = IRC Regulator Mode (default)

Bit 5 (HLP):

Power consumption selection

0: Low power consumption mode, applies to operating frequency

at 400 kHz or below 400kHz

1: High power consumption mode, applies to operating frequency

above 400 kHz (Default)

(User selects LXT1 or LXT2 in crystal mode, HLP function

automatically selects low)

Bit 4 (LPS):

Not used, (reserved). This bit is

set to “1” all the time.

Bit 3 (WDTPS):

WDT Time-out Period

WDT Time

Watchdog Timer

18 ms (Default)

4.5 ms

*Theoretical values, for reference only.

Bits 2 ~ 0:

Customer’s ID Ⅰcode (Can’t be read from Table Point Register)

EM78P372KSS20 Datasheet(PDF) 92 Page - ELAN Microelectronics Corp

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