s908ab32ag0cfue Freescale Semiconductor, Inc, s908ab32ag0cfue Datasheet - Page 345
s908ab32ag0cfue
Manufacturer Part Number
s908ab32ag0cfue
Description
M68hc08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.S908AB32AG0CFUE.pdf
(392 pages)
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19.1 Contents
19.2 Introduction
MC68HC908AB32
Freescale Semiconductor
Technical Data — MC68HC908AB32
—
Rev. 1.1
Section 19. Keyboard Interrupt Module (KBI)
19.2
19.3
19.4
19.5
19.5.1
19.5.2
19.5.3
19.6
19.7
19.8
The keyboard interrupt module (KBI) provides five independently
maskable external interrupts which are accessible via PTG0–PTG2 and
PTH0–PTH1 pins.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346
Wait Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351
Keyboard Module During Break Interrupts . . . . . . . . . . . . . . . 352
I/O Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .347
Keyboard Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
Keyboard Status and Control Register. . . . . . . . . . . . . . . . 349
Keyboard Interrupt Enable Register . . . . . . . . . . . . . . . . . . 351
Keyboard Interrupt Module (KBI)
Technical Data
345
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