MC68HC908AP16CFA MOTOROLA [Motorola, Inc], MC68HC908AP16CFA Datasheet - Page 19
MC68HC908AP16CFA
Manufacturer Part Number
MC68HC908AP16CFA
Description
Microcontrollers
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC908AP16CFA.pdf
(440 pages)
- Current page: 19 of 440
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MC68HC908AP Family — Rev. 2.5
MOTOROLA
18.2.2
18.2.3
18.3
18.3.1
18.3.2
18.4
18.4.1
18.4.2
18.5
18.5.1
18.5.2
19.1
19.2
19.3
19.4
19.5
19.6
19.6.1
19.6.2
20.1
20.2
20.3
20.4
20.4.1
20.5
20.5.1
20.5.2
Freescale Semiconductor, Inc.
For More Information On This Product,
Port B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370
Port C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373
Port D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 376
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 379
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 379
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .380
IRQ1 and IRQ2 Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 382
IRQ Module During Break Interrupts . . . . . . . . . . . . . . . . . . . 383
IRQ Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 383
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387
I/O Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 388
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .388
Keyboard Interrupt Registers . . . . . . . . . . . . . . . . . . . . . . . . . 391
Section 20. Keyboard Interrupt Module (KBI)
Data Direction Register (DDRA). . . . . . . . . . . . . . . . . . . . . 367
Port-A LED Control Register (LEDA) . . . . . . . . . . . . . . . . . 369
Port B Data Register (PTB) . . . . . . . . . . . . . . . . . . . . . . . . 370
Data Direction Register B (DDRB) . . . . . . . . . . . . . . . . . . . 371
Port C Data Register (PTC) . . . . . . . . . . . . . . . . . . . . . . . . 373
Data Direction Register C (DDRC). . . . . . . . . . . . . . . . . . . 374
Port D Data Register (PTD) . . . . . . . . . . . . . . . . . . . . . . . . 376
Data Direction Register D (DDRD). . . . . . . . . . . . . . . . . . . 377
IRQ1 Status and Control Register . . . . . . . . . . . . . . . . . . . 384
IRQ2 Status and Control Register . . . . . . . . . . . . . . . . . . . 385
Keyboard Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390
Keyboard Status and Control Register. . . . . . . . . . . . . . . . 391
Keyboard Interrupt Enable Register . . . . . . . . . . . . . . . . . . 392
Go to: www.freescale.com
Section 19. External Interrupt (IRQ)
Table of Contents
Data Sheet
19
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