HC05RC17GRSSLASHD datasheet(18/128 Pages) NXP

18 / 128 page

General Description

General Release Specification

MC68HC05RC17 — Rev. 2.0

General Description

• Power-Saving Stop and Wait Modes

• Mask Selectable Options:

– COP Watchdog Timer

– STOP Instruction Disable

– Edge-Sensitive or Edge- and Level-Sensitive Interrupt Trigger

– Port B Pullups for Keyscan

• Illegal Address Reset

• ROM Security

NOTE:

A line over a signal name indicates an active-low signal. For example,

RESET is active low.

1.4 Mask Options

There are 11 total mask options on the MC68HC05RC17 including:

• Eight Port B Pullups

• IRQ Sensitivity

• COP Enable/Disable

• STOP Enable/Disable

These are nonprogrammable options in that they are selected at the time

of code submission (when masks are made). These options are:

PB7PU — Port B7 Pullup/Interrupt

This bit enables or disables the pullup/interrupt on port B, bit 7.

1 = Enables the pullup/interrupt

0 = Disables the pullup/interrupt

PB6PU — Port B6 Pullup/Interrupt

This option enables or disables the pullup/interrupt on port B, bit 6.

1 = Enables pullup/interrupt

0 = Disables pullup/interrupt

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

HC05RC17GRS/D 데이터시트(PDF) 18 Page - NXP Semiconductors