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SC9RS08KA2 Datasheet(PDF) 51 Page - Freescale Semiconductor, Inc

Part # SC9RS08KA2
Description  RS08 Microcontrollers
PDF  134 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

SC9RS08KA2 Datasheet(HTML) 51 Page - Freescale Semiconductor, Inc

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SC9RS08KA2 Series Data Sheet, Rev. 1
Freescale Semiconductor
51
Chapter 7
Keyboard Interrupt (RS08KBIV1)
7.1
Introduction
The keyboard interrupt (KBI) module provides independently enabled external interrupt sources.
Figure 7-1. SC9RS08KA2 Series Block Diagram with KBI Block and Pins Highlighted
7.1.1
Features
The KBI features include:
•
Each keyboard interrupt pin has an individual pin enable bit
•
Each keyboard interrupt pin is programmable as falling edge (or rising edge) only, or both falling
edge and low level (or both rising edge and high level) interrupt sensitivity
•
One software-enabled keyboard interrupt
•
Exit from low-power modes
RS08 CORE
USER FLASH — 2,048 BYTES
USER RAM — 63 BYTES
NOTES:
(1) Pins are software configurable with pullup/pulldown device if input port.
(2) Integrated pullup device enabled if reset enabled (RSTPE=1).
(3) These pins are not available in 6-pin package
POWER AND
VSS
VDD
INTERNAL CLOCK
SOURCE
BDC
RS08 SYSTEM CONTROL
RTI
CPU
COP
WAKEUP
LVD
RESET AND STOP WAKEUP
MODES OF OPERATION
POWER MANAGEMENT
5-BIT KEYBOARD
INTERRUPT MODULE
PTA0/KBIP0/ACMP+ (1)
PTA1/KBIP1/ACMP- (1)
PTA2/KBIP2/TCLK/RESET/VPP (1),( 2)
PTA3/ACMPO/BKGD/MS
ANALOG COMPARATOR
MODULE
MODULO TIMER
MODULE
PTA4/KBIP4 (1),(3)
PTA5/KBIP5 (1), (3)
INTERNAL REGULATOR
(KBI)
5
TCLK
ACMP-
ACMP+
ACMPO
(ICS)
(ACMP)
(MTIM)



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