MC908QY1ACDTE
数据手册.pdfHC08 HC08 Microcontroller IC 8Bit 8MHz 1.5KB 1.5K x 8 FLASH 16-TSSOP
General Description
Introduction
The MC68HC908QY4A is a member of the low-cost, high-performance M68HC08 Family of 8-bit microcontroller units MCUs. All MCUs in the family use the enhanced M68HC08 central processor unit CPU08 and are available with a variety of modules, memory sizes and types, and package types.
Features
Features include:
• High-performance M68HC08 CPU core
• Fully upward-compatible object code with M68HC05 Family
• 5-V and 3-V operating voltages VDD
• 8-MHz internal bus operation at 5 V, 4-MHz at 3 V
• Trimmable internal oscillator
– Software selectable 1 MHz, 2 MHz, or 3.2 MHz internal bus operation
– 8-bit trim capability
– ±25% untrimmed
– Trimmable to approximately 0.4%1
• Software selectable crystal oscillator range, 32–100 kHz, 1–8 MHz and 8–32 MHz
• Software configurable input clock from either internal or external source
• Auto wakeup from STOP capability using dedicated internal 32-kHz RC or bus clock source
• On-chip in-application programmable FLASH memory
– Internal program/erase voltage generation
– Monitor ROM containing user callable program/erase routines
– FLASH security2
• On-chip random-access memory RAM
• 2-channel, 16-bit timer interface TIM module
• 6-channel, 10-bit analog-to-digital converter ADC with internal bandgap reference channel ADC10
• Up to 13 bidirectional input/output I/O lines and one input only:
– Six shared with KBI
– Six shared with ADC
– Two shared with TIM
– One input only shared with IRQ
– High current sink/source capability on all port pins
– Selectable pullups on all ports, selectable on an individual bit basis
– Three-state ability on all port pins
• 6-bit keyboard interrupt with wakeup feature KBI
– Programmable for rising/falling or high/low level detect
• Low-voltage inhibit LVI module features:
– Software selectable trip point
• System protection features:
– Computer operating properly COP watchdog
– Low-voltage detection with reset
– Illegal opcode detection with reset
– Illegal address detection with reset
• External asynchronous interrupt pin with internal pullup IRQ shared with general-purpose input pin
• Master asynchronous reset pin with internal pullup RST shared with general-purpose input/output I/O pin
• Memory mapped I/O registers
• Power saving stop and wait modes
• MC68HC908QY4A, MC68HC908QY2A and MC68HC908QY1A are available in these packages:
– 16-pin plastic dual in-line package PDIP
– 16-pin small outline integrated circuit SOIC package
– 16-pin thin shrink small outline packages TSSOP
• MC68HC908QT4A, MC68HC908QT2A and MC68HC908QT1A are available in these packages:
– 8-pin PDIP
– 8-pin SOIC
– 8-pin dual flat no lead DFN package