參數(shù)資料
型號: MC68HC08LT8CFGE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP44
封裝: 10 X 10 MM, 1.40 MM THICKNESS, 0.80 MM PITCH, ROHS COMPLIANT, MS-026BCB, LQFP-44
文件頁數(shù): 57/156頁
文件大?。?/td> 1107K
代理商: MC68HC08LT8CFGE
MCU Block Diagram
MC68HC08LT8 Data Sheet, Rev. 1
Freescale Semiconductor
15
Figure 1-1. MC68HC08LT8 Block Diagram
SYSTEM INTEGRATION
MODULE
ARITHMETIC/LOGIC
UNIT (ALU)
CPU
REGISTERS
M68HC08 CPU
CONTROL AND STATUS REGISTERS — 96 BYTES
USER ROM — 8,192 BYTES
USER RAM — 128 BYTES
MONITOR ROM — 960 BYTES
USER ROM VECTOR SPACE — 48 BYTES
EXTERNAL INTERRUPT
MODULE
DDRC
PORTC
INTERNAL BUS
(1) RST
(1) IRQ
COMPUTER OPERATING
PROPERLY MODULE
PTC7
PTC6
PTC5/FP24(4)
PTC4/FP23(4)
PTC3/FP22
PTC2/FP21
POWER-ON RESET
MODULE
POWER
VSS
(4) VLCD
PTC1/FP20
PTC0/FP19
2-CHANNEL TIMER INTERFACE
MODULE 1
2-CHANNEL TIMER INTERFACE
MODULE 2
LIQUID CRYSTAL DISPLAY
DRIVER MODULE
KEYBOARD INTERRUPT
MODULE
PROGRAMMABLE PERIODIC
INTERRUPT MODULE
OSC MODULE
OSC1
OSC2
16-MHz OSCILLATOR
32.768-kHz OSCILLATOR
FP0/BP3
VDD
DDRB
POR
T
B
PTB7/FP2(4)
PTB6/FP1(4)
PTB3/T1CH1(3)
PTB2/T1CH0/PPIECK(3)
PTB1/T2CH1
PTB0/T2CH0
DDRA
PORT
A
PTA7
PTA6
PTA5
PTA4
PTA3/KBI3(2)
PTA2/KBI2(2)
PTA1/KBI1(2)
PTA0/KBI0(2)
(1) Pin contains integrated pullup device.
(2) Pin contains integrated pullup device if configured as KBI.
(3) High current sink pin, 15mA.
LOW-VOLTAGE INHIBIT
MODULE
PORTD
DDRD
PTD7/FP18
:
PTD0/FP11
PORTE
DDR
E
PTE7/FP10
:
PTE0/FP3
BP2
:
BP0
XTAL1
XTAL2
(4) Pin not available on 44-pin packages
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