Motorola MC68HC05RC8 User Manual
MC68HC05RC16 — Rev. 3.0
General Release Specification
MOTOROLA
Central Processor Unit
33
General Release Specification — MC68HC05RC16
Section 3. Central Processor Unit
3.1 Contents
3.2 Introduction
This section describes the registers of the MC68HC05RC16 central
processor unit (CPU). The MCU contains five registers as shown in
processor unit (CPU). The MCU contains five registers as shown in
. The interrupt stacking order is shown in
.
Figure 3-1. Programming Model
A
7
0
X
7
0
H
I
N
Z
C
CCR
1
1
SP
7
0
PC
13
0
ACCUMULATOR
INDEX REGISTER
PROGRAM COUNTER
STACK POINTER
CONDITION CODE REGISTER
0
0
0
0
0
13
0