MC68HC908LJ12CPB FREESCALE [Freescale Semiconductor, Inc], MC68HC908LJ12CPB Datasheet - Page 18
MC68HC908LJ12CPB
Manufacturer Part Number
MC68HC908LJ12CPB
Description
8-bit microcontroller units
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC68HC908LJ12CPB.pdf
(413 pages)
- Current page: 18 of 413
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MC68HC908LJ12
Freescale Semiconductor
—
Rev. 2.1
17.6
17.6.1
17.6.2
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
19.6
19.6.1
19.6.2
19.7
19.8
19.9
19.10 Keyboard Module During Break Interrupts . . . . . . . . . . . . . . . 370
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .357
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357
IRQ Module During Break Interrupts . . . . . . . . . . . . . . . . . . . 361
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .363
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369
Wait Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370
Port D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 354
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .358
IRQ Status and Control Register (INTSCR) . . . . . . . . . . . . . . 361
I/O Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .365
Keyboard Interrupt Registers . . . . . . . . . . . . . . . . . . . . . . . . . 367
Section 19. Keyboard Interrupt Module (KBI)
Port D Data Register (PTD) . . . . . . . . . . . . . . . . . . . . . . . . 354
Data Direction Register D (DDRD). . . . . . . . . . . . . . . . . . . 355
IRQ Pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360
Keyboard Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367
Keyboard Status and Control Register. . . . . . . . . . . . . . . . 368
Keyboard Interrupt Enable Register . . . . . . . . . . . . . . . . . . 369
Section 18. External Interrupt (IRQ)
Table of Contents
Table of Contents
Technical Data
19
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