mc68hc908bd48 Freescale Semiconductor, Inc, mc68hc908bd48 Datasheet - Page 19
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mc68hc908bd48
Manufacturer Part Number
mc68hc908bd48
Description
M68hc08 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908BD48.pdf
(288 pages)
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MC68HC908BD48
Freescale Semiconductor
Data Sheet — MC68HC908BD48
—
Rev. 2.1
Figure
1-1
1-2
1-3
2-1
2-2
4-1
4-2
4-3
4-4
5-1
5-2
6-1
6-2
6-3
6-4
6-5
6-6
7-1
7-2
7-3
7-4
7-5
7-6
7-7
7-8
7-9
7-10 Interrupt Recognition Example . . . . . . . . . . . . . . . . . . . . . . . . 100
MCU Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
44-Pin QFP Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . 29
42-Pin SDIP Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . 30
Control, Status, and Data Registers . . . . . . . . . . . . . . . . . . . . .39
FLASH Control Register (FLCR) . . . . . . . . . . . . . . . . . . . . . . . 56
FLASH Programming Flowchart . . . . . . . . . . . . . . . . . . . . . . . . 60
FLASH Block Protect Register (FLBPR). . . . . . . . . . . . . . . . . . 61
FLASH Block Protect Start Address . . . . . . . . . . . . . . . . . . . . .62
Configuration Register 0 (CONFIG0) . . . . . . . . . . . . . . . . . . . . 64
Configuration Register 1 (CONFIG1) . . . . . . . . . . . . . . . . . . . . 65
CPU Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Accumulator (A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Index Register (H:X) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Stack Pointer (SP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Condition Code Register (CCR) . . . . . . . . . . . . . . . . . . . . . . . . 72
SIM Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
OSC Clock Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Internal Reset Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Sources of Internal Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
POR Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Interrupt Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Interrupt Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Interrupt Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Memory Map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Program Counter (PC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
External Reset Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
List of Figures
Title
List of Figures
Data Sheet
Page
19
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