MC68HC05RC17 Datasheet, PDF (20/128 Pages) Freescale Semiconductor, Inc – General Release Specification

Freescale Semiconductor, Inc.
General Description
STOPEN — STOP Instruction Enable
When the STOP option is selected (STOPEN = 1), the STOP
instruction is enabled.
When the STOP option is deselected (STOPEN = 0), the STOP
instruction is equivalent to a WAIT instruction.
IRQ — IRQ sensitivity
When the IRQ option is selected (IRQ = 1), edge- and level-sensitive
IRQ is enabled.
When the IRQ option is deselected (IRQ = 0), edge-only sensitive IRQ
is enabled.
NOTE:
The port B keyscan interrupt sensitivity will match that of the IRQ
sensitivity. (See 4.7 External Interrupt (IRQ/Port B Keyscan) for more
information.)
1.5 Signal Description
Pinout for the 28-pin small outline integrated circuit (SOIC) package is
shown in Figure 1-2. Pinout for the 28-pin plastic dual in-line (PDIP)
package is shown in Figure 1-3. The signals are described in the
following subsections.
NOTE: Consult the factory for availability of 28-pin dual in-line and higher pin
count packages.
1.5.1 V_DD and V_SS
Power is supplied to the microcontroller’s digital circuits using these two
pins. V_DD is the positive supply and V_SS is ground.
General Release Specification
MC68HC05RC17 — Rev. 2.0
General Description
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