MC68HC705JD FREESCALE [Freescale Semiconductor, Inc], MC68HC705JD Datasheet - Page 23

• Manufacturer Part Number: MC68HC705JD
• Description: member of the low-cost
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

4.1 CPU Registers
Rev. 2
This section describes the registers, aithmetic/logic unit (ALU), and low-power modes
of the M68HC05 central processor unit (CPU).
Figure 4-1
CPU and are not part of the memory map.
*Bit 11 of the program counter is fixed at 0 in MC68HC05J1 emulation mode.
15
15
0
0
0
0
0
0
shows the five CPU registers. These are hard-wired registers within the
12 11*
0
0
0
Freescale Semiconductor, Inc.
0
PCH
For More Information On This Product,
Figure 4-1. Programming Model
0
CENTRAL PROCESSOR UNIT
CENTRAL PROCESSOR UNIT
0
8
Go to: www.freescale.com
7
1
7
7
1
7
6
1
1
SECTION 4
5
5
1
H
4
HALF-CARRY FLAG
PCL
A
X
I
INTERRUPT MASK
SP
N
NEGATIVE FLAG
Z
ZERO PLAN
C
0
0
0
0
0
CARRY/BORROW FLAG
ACCUMULATOR (A)
INDEX REGISTER (X)
STACK POINTER (SP)
PROGRAM COUNTER (PC)
CONDITION CODE REGISTER (CCR)
4-1
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9