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M68HC05 Datasheet(PDF) 34 Page - Freescale Semiconductor, Inc

Part # M68HC05
Description  Microcontrollers
PDF  128 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

M68HC05 Datasheet(HTML) 34 Page - Freescale Semiconductor, Inc

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Technical Data
MC68HC05J1A — Rev. 3.0
Central Processor Unit (CPU)
Central Processor Unit (CPU)
3.3 CPU Registers
Figure 3-1 shows the five CPU registers. CPU registers are not part of
the memory map.
Figure 3-1. Programming Model
ACCUMULATOR (A)
INDEX
11
00
00
0
00
0
00
00
0
ZC
IN
1H
11
0
4
75
CONDITION CODE
PROGRAM
STACK
HALF-CARRY FLAG
INTERRUPT MASK
NEGATIVE FLAG
ZERO FLAG
CARRY/BORROW FLAG
6
321
0
4
75
6
321
0
4
75
6
321
0
4
75
6
321
0
4
75
6
321
8
12
15
13
14
11
10
9
8
12
15
13
14
11
10
9
REGISTER (CCR)
COUNTER (PC)
POINTER (SP)
REGISTER (X)
SP
PCH
PCL
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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