MC68HC908AB32 MOTOROLA [Motorola, Inc], MC68HC908AB32 Datasheet - Page 17
MC68HC908AB32
Manufacturer Part Number
MC68HC908AB32
Description
HCMOS Microcontroller Unit
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC908AB32.pdf
(392 pages)
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MC68HC908AB32
MOTOROLA
—
Rev. 1.0
17.7
17.7.1
17.7.2
17.8
17.8.1
17.8.2
17.8.3
17.9
17.9.1
17.9.2
17.10 Port H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
17.10.1 Port H Data Register (PTH) . . . . . . . . . . . . . . . . . . . . . . . . 335
17.10.2 Data Direction Register H (DDRH). . . . . . . . . . . . . . . . . . . 335
18.1
18.2
18.3
18.4
18.4.1
18.5
18.6
19.1
19.2
19.3
19.4
19.5
19.5.1
19.5.2
Freescale Semiconductor, Inc.
For More Information On This Product,
Port E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326
Port F . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329
Port G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340
IRQ Status and Control Register (ISCR) . . . . . . . . . . . . . . . . 343
IRQ Module During Break Interrupts . . . . . . . . . . . . . . . . . . . 344
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346
I/O Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
Section 19. Keyboard Interrupt Module (KBI)
Port E Data Register (PTE) . . . . . . . . . . . . . . . . . . . . . . . . 326
Data Direction Register E (DDRE) . . . . . . . . . . . . . . . . . . . 328
Port F Data Register (PTF) . . . . . . . . . . . . . . . . . . . . . . . . 329
Data Direction Register F (DDRF) . . . . . . . . . . . . . . . . . . . 330
Port F Input Pullup Enable Register (PTFPUE) . . . . . . . . . 332
Port G Data Register (PTG) . . . . . . . . . . . . . . . . . . . . . . . . 332
Data Direction Register G (DDRG) . . . . . . . . . . . . . . . . . . 333
IRQ Pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342
Keyboard Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
Keyboard Status and Control Register. . . . . . . . . . . . . . . . 349
Go to: www.freescale.com
Section 18. External Interrupt (IRQ)
Table of Contents
Table of Contents
Technical Data
17
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