Chapter 8 Appendices

8-1-7 Option Bit

The MN101C117 and the MN101CP117 control the oscillation mode after resetting as well as the runaway-detection watch dog timer, using bit 2 to 0 of the last address (X'7FFF) of the built-in ROM.

Option bit

7

6

5

4

3

2

1

0

PKGSEL2 PKGSEL1 WDSEL2 WDSEL1 NSSTRT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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/218

 

 

 

 

 

 

 

 

 

 

 

 

 

1

X

fs/220

 

 

 

 

 

 

PKGSEL2 PKGSEL1

Package

 

 

 

 

 

 

 

 

 

 

 

 

0

X

SDIP042-P-0600

 

 

 

 

 

 

1

0

QFP044-P-1010

 

 

 

 

 

 

1

QFH048-P-0707

 

 

 

 

 

 

 

Fig. 8-1-2 Option bit(Address: X'07FFF')

EPROM Versions 137

Page 151
Image 151
Panasonic MN101C00 user manual Option Bit, Option bitAddress X07FFF