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

7

6

5

4

3

2

1

0

PKG

PKG

WDSEL2 WDSEL1 NSSTRT

SEL2

SEL1

 

 

 

 

 

 

 

 

 

NSSTRT

Selection of oscillation mode after resetting

0 SLOW mode

1 NORMAL mode

WDSEL2 WDSEL1 Watchdog timer cycle setting

 

0

0

fs/216

 

 

1

fs/2 18

 

 

 

 

 

1

 

fs/220

 

 

 

 

 

 

 

PKGSEL2

PKGSEL1

 

Packages

 

0

 

 

 

SDIP042-P-0600

 

1

 

0

 

 

QFP044-P-1010

 

 

 

 

 

 

 

 

1

 

 

QFH048-P-0707

 

 

 

 

 

 

 

 

 

 

 

 

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

22 Option

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Image 36
Panasonic MN101C00 user manual ROM Option