參數(shù)資料
型號(hào): MC68HC08LT8
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: Microcontrollers
中文描述: 微控制器
文件頁數(shù): 17/156頁
文件大?。?/td> 1030K
代理商: MC68HC08LT8
Pin Functions
MC68HC08LT8 Data Sheet, Rev. 1
Freescale Semiconductor
17
1.5 Pin Functions
Description of the pin functions are provided in
Table 1-1
.
Table 1-1. Pin Functions
Pin Name
Pin Description
Input/Output
Voltage
Level
V
DD
Power supply
Input
5 V or 3 V
V
SS
Power supply ground
Output
0V
V
LCD
LCD bias voltage
Input
V
DD
RST
Reset input, active low; with internal pull up and Schmitt trigger
input
Input/output
V
DD
IRQ
External IRQ pin; with programmable internal pull up and Schmitt
trigger input
Input
V
DD
Used for monitor mode entry
Input
V
DD
to V
TST
OSC1
Crystal input for 16-MHz system clock
Input
V
DD
OSC2
Crystal oscillator output; inverted OSC1 signal
Output
V
DD
XTAL1
Crystal input for 32.768-kHz for subsystem clock
Input
V
DD
XTAL2
Crystal oscillator output; inverted XTAL1 signal
Output
V
DD
BP0–BP2
LCD backplane drivers
Output
V
DD
BP3/FP0
LCD backplane driver BP3 or frontplane driver FP0
Output
V
DD
PTA0/KBI0
PTA1/KBI1
PTA2/KBI2
PTA3/KBI3
PTA4
PTA5
PTA6
PTA7
8-bit general-purpose I/O port
Input/output
V
DD
PTA0–PTA3 as keyboard interrupts with pull-up device,
KBI0–KBI3
Input
V
DD
PTB0/T2CH0
PTB1/T2CH1
PTB2/T1CH0/PPIECK
PTB3/T1CH1
PTB6/FP1
PTB7/FP2
8-bit general-purpose I/O port,
with high current sinks on PTB2–PTB3
Input/output
V
DD
PTB0 as T2CH0 of TIM2
Input/output
V
DD
PTB1 as T2CH1 of TIM2
Input/output
V
DD
PTB2 as PPIECK; external clock source input for PPI
Input
V
DD
PTB2 as T1CH0 of TIM1
Input/output
V
DD
PTB3 as T1CH1 of TIM1
Input/output
V
DD
PTB6–PTB7 as LCD frontplane drivers, FP1–FP2
Output
V
DD
Continued on next page
相關(guān)PDF資料
PDF描述
MC68HC08SR12 M68HC08 Microcontrollers
MC68HC11E0 HC11 Microcontrollers
MC68HC11K0 HCMOS Microcontroller Unit
MC68HC11KMNPEVS Microcontrollers
MC68HC705C8AC Microcontrollers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68HC08LT8CFGE 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers
MC68HC08MR4 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:In-Circuit Simulator
MC68HC08P4 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC08QT1 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:M68HC08 Microcontrollers
MC68HC08QT2 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:M68HC08 Microcontrollers