参数资料
型号: SC9RS08KA1J3CDB
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO6
封装: 3 X 3 MM, 0.80 MM HEIGHT, ROHS COMPLIANT, DFN-6
文件页数: 82/134页
文件大小: 3114K
代理商: SC9RS08KA1J3CDB
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
PT
A
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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