mc68hc908jb8 Freescale Semiconductor, Inc, mc68hc908jb8 Datasheet - Page 19
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mc68hc908jb8
Manufacturer Part Number
mc68hc908jb8
Description
M68hc08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908JB8.pdf
(286 pages)
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Technical Data — MC68HC908JB8•MC68HC08JB8•MC68HC08JT8
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
Freescale Semiconductor
Figure
1-1
1-2
1-3
1-4
1-5
1-6
2-1
2-2
4-1
4-2
4-3
4-4
4-5
5-1
6-1
6-2
6-3
6-4
6-5
6-6
7-1
8-1
8-2
8-3
44-Pin QFP Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . 32
28-pin SOIC Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . 33
20-pin PDIP and SOIC Pin Assignments . . . . . . . . . . . . . . . . . 33
Regulator Supply Capacitor Configuration . . . . . . . . . . . . . . . . 35
Control, Status, and Data Registers . . . . . . . . . . . . . . . . . . . . .42
FLASH Memory Register Summary . . . . . . . . . . . . . . . . . . . . .54
FLASH Control Register (FLCR) . . . . . . . . . . . . . . . . . . . . . . . 55
FLASH Programming Flowchart . . . . . . . . . . . . . . . . . . . . . . . . 59
FLASH Block Protect Register (FLBPR). . . . . . . . . . . . . . . . . . 60
FLASH Block Protect Start Address . . . . . . . . . . . . . . . . . . . . .60
Configuration Register (CONFIG). . . . . . . . . . . . . . . . . . . . . . . 66
CPU Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Accumulator (A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Index Register (H:X) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Stack Pointer (SP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Condition Code Register (CCR) . . . . . . . . . . . . . . . . . . . . . . . . 74
SIM Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
SIM Clock Signals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
MCU Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Power Supply Bypassing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Memory Map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Program Counter (PC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
Oscillator External Connections . . . . . . . . . . . . . . . . . . . . . . . .90
SIM I/O Register Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . .96
List of Figures
Title
List of Figures
Technical Data
Page
19