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MC908QT4VDWE Datasheet(PDF) 80 Page - Freescale Semiconductor, Inc |
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MC908QT4VDWE Datasheet(HTML) 80 Page - Freescale Semiconductor, Inc |
80 / 184 page Keyboard Interrupt Module (KBI) MC68HC908QY/QT Family Data Sheet, Rev. 5 80 Freescale Semiconductor Figure 9-1. Block Diagram Highlighting KBI Block and Pins PTA0/AD0/TCH0/KBI0 PTA1/AD1/TCH1/KBI1 PTA2/IRQ/KBI2/TCLK PTA3/RST/KBI3 PTA4/OSC2/AD2/KBI4 PTA5/OSC1/AD3/KBI5 KEYBOARD INTERRUPT MODULE CLOCK GENERATOR (OSCILLATOR) SYSTEM INTEGRATION MODULE SINGLE INTERRUPT MODULE BREAK MODULE POWER-ON RESET MODULE 16-BIT TIMER MODULE COP MODULE MONITOR ROM PTB0 M68HC08 CPU PTB1 PTB2 PTB3 PTB4 PTB5 PTB6 PTB7 8-BIT ADC 128 BYTES RAM MC68HC908QY4 AND MC68HC908QT4 4096 BYTES MC68HC908QY2, MC68HC908QY1, MC68HC908QT2, AND MC68HC908QT1: 1536 BYTES USER FLASH POWER SUPPLY VDD VSS RST, IRQ: Pins have internal (about 30K Ohms) pull up PTA[0:5]: High current sink and source capability PTA[0:5]: Pins have programmable keyboard interrupt and pull up PTB[0:7]: Not available on 8-pin devices – MC68HC908QT1, MC68HC908QT2, and MC68HC908QT4 (see note in 12.1 Introduction) ADC: Not available on the MC68HC908QY1 and MC68HC908QT1 |
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