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6 option, 6-1 rom option – Panasonic MN101C00 User Manual

Page 36

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Chapter 1 Overview

1-6 Option

1-6-1 ROM Option

The product equipped with this LSI or an EPROM with this LSI controls the oscillation

mode after resetting as well as the runaway-detection watchdog timer, using bits 2 to

0 of the last address of the built-in ROM.

Option bits

Figure 1-6 ROM Option ( Address:X'7FFF' )

22

Option

0

1

2

4

3

NSSTRT

Watchdog timer cycle setting

WDSEL2

WDSEL1

WDSEL2

PKG

SEL1

PKG

SEL2

5

6

7

Selection of oscillation mode
after resetting

SLOW mode

NORMAL mode

NSSTRT

0

1

fs/2

0

1

WDSEL1

0

1

fs/2

fs/2

16

18

20

Packages

SDIP042-P-0600

QFP044-P-1010

PKGSEL2

0

1

QFH048-P-0707

PKGSEL1

0

1