mc68hc705j1avs Freescale Semiconductor, Inc, mc68hc705j1avs Datasheet - Page 10
mc68hc705j1avs
Manufacturer Part Number
mc68hc705j1avs
Description
M68hc05 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC705J1AVS.pdf
(162 pages)
- Current page: 10 of 162
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Table of Contents
Technical Data
6.1
6.2
6.3
6.3.1
6.3.2
6.3.3
6.3.4
6.3.5
6.4
6.4.1
6.4.2
6.4.3
6.5
6.6
7.1
7.2
7.3
7.3.1
7.3.2
7.3.3
7.4
7.5
7.6
7.6.1
7.6.2
Freescale Semiconductor, Inc.
For More Information On This Product,
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Port A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Port B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
5.0-Volt I/O Port Electrical Characteristics . . . . . . . . . . . . . . . . 95
3.3-Volt I/O Port Electrical Characteristics . . . . . . . . . . . . . . . . 95
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
COP Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Section 6. Parallel Input/Output (I/O) Ports
Port A Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Data Direction Register A. . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Pulldown Register A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Port A LED Drive Capability . . . . . . . . . . . . . . . . . . . . . . . . . 92
Port A I/O Pin Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Port B Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Data Direction Register B. . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Pulldown Register B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
COP Watchdog Timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
COP Watchdog Timeout Period . . . . . . . . . . . . . . . . . . . . . . 98
Clearing the COP Watchdog . . . . . . . . . . . . . . . . . . . . . . . .98
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
Section 7. Computer Operating Properly
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Table of Contents
(COP) Module
MC68HC705J1A — Rev. 4.0
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