參數(shù)資料
型號： MCV18ET-I/SO
元件分類： 微控制器/微處理器
英文描述： FLASH, 20 MHz, RISC MICROCONTROLLER, PDSO18
封裝： 7.50 MM, LEAD FREE, SOIC-18
文件頁數(shù)： 4/108頁
文件大小： 1509K
代理商： MCV18ET-I/SO
2009 Microchip Technology Inc.
DS41399A-page 101
MCV18E
INDEX
A
A/D
ADCON0 Register....................................................... 11
ADCON1 Register....................................................... 12
ADRES Register ......................................................... 11
Converter Characteristics ........................................... 92
Timing Diagram........................................................... 93
Absolute Maximum Ratings ................................................ 81
ADC .................................................................................... 41
Acquisition Requirements ........................................... 47
Associated registers.................................................... 49
Block Diagram............................................................. 41
Calculating Acquisition Time....................................... 47
Channel Selection ....................................................... 42
Configuration............................................................... 42
Configuring Interrupt ................................................... 44
Conversion Clock........................................................ 42
Conversion Procedure ................................................ 44
Internal Sampling Switch (RSS) IMPEDANCE ................ 47
Interrupts..................................................................... 43
Operation .................................................................... 44
Operation During Sleep .............................................. 44
Port Configuration ....................................................... 42
Reference Voltage (VREF)........................................... 42
Source Impedance...................................................... 47
Special Event Trigger.................................................. 44
ADCON0 Register......................................................... 11, 45
ADCON1 Register......................................................... 12, 46
ADRES Register ................................................................. 11
Analog-to-Digital Converter. See ADC
B
Banking, Data Memory ......................................................... 9
Block Diagrams
(CCP) Capture Mode Operation ................................. 52
ADC ............................................................................ 41
ADC Transfer Function ............................................... 48
Analog Input Model ..................................................... 48
Auto-Shutdown ........................................................... 60
CCP PWM................................................................... 56
Compare ..................................................................... 54
Interrupt Sources ........................................................ 76
MCV18E........................................................................ 7
On-Chip Reset Circuit ................................................. 70
PORTA.................................................................. 21, 22
PORTB........................................................................ 23
RB1/T1OSO/T1CKI..................................................... 24
RB2/T1OSI.................................................................. 24
RB3/CCP1/P1A........................................................... 25
RB4 ............................................................................. 25
RB5 ............................................................................. 26
RB6/P1C ..................................................................... 26
RB7/P1D ..................................................................... 27
Timer1......................................................................... 33
Timer2......................................................................... 39
TMR0/WDT Prescaler................................................. 29
Watchdog Timer (WDT) .............................................. 78
BOR. See Brown-out Reset
Brown-out Reset (BOR) .............................. 65, 68, 69, 73, 74
Timing Diagram........................................................... 89
C
Capture Module. See Enhanced Capture/Compare/PWM
(ECCP)
Capture/Compare/PWM (CCP)
Associated registers w/ Capture ................................. 53
Associated registers w/ Compare ............................... 55
Associated registers w/ PWM..................................... 64
Capture Mode ............................................................. 52
CCP1 Pin Configuration ............................................. 52
CCP1CON Register.................................................... 11
CCPR1H Register ...................................................... 11
CCPR1L Register ....................................................... 11
Compare Mode ........................................................... 54
CCP1 Pin Configuration ..................................... 54
Software Interrupt Mode ............................... 52, 54
Special Event Trigger ......................................... 54
Timer1 Mode Selection................................. 52, 54
Flag (CCP1IF Bit) ....................................................... 17
Prescaler .................................................................... 52
PWM Mode ................................................................. 56
Duty Cycle .......................................................... 57
Effects of Reset .................................................. 59
Example PWM Frequencies and Resolutions,
20 MHZ....................................................... 58
Example PWM Frequencies and Resolutions,
8 MHz ......................................................... 58
Operation in Sleep Mode.................................... 59
Setup for Operation ............................................ 59
System Clock Frequency Changes .................... 59
PWM Period ............................................................... 57
Setup for PWM Operation .......................................... 59
Timing Diagram .......................................................... 91
CCP1CON (Enhanced) Register ........................................ 51
Code Examples
Assigning Prescaler to Timer0.................................... 30
Assigning Prescaler to WDT....................................... 30
Changing Between Capture Prescalers ..................... 52
How to Clear RAM Using Indirect Addressing ............ 20
Initializing PORTA ...................................................... 21
Initializing PORTB ...................................................... 23
Code Protection ............................................................ 65, 80
Compare Module. See Enhanced Capture/Compare/PWM
(ECCP)
CONFIG Register ............................................................... 66
Configuration Bits ............................................................... 65
D
Data Memory ........................................................................ 9
Bank Select (RP Bits) ................................................... 9
General Purpose Registers ........................................ 10
Register File Map ....................................................... 10
Special Function Registers......................................... 11
DC Characteristics.................................................. 82, 83, 84
Direct Addressing ............................................................... 20
E
ECCP. See Enhanced Capture/Compare/PWM
ECCPAS Register............................................................... 61
Effects of Reset
PWM mode ................................................................. 59
Electrical Characteristics .................................................... 81
Enhanced Capture/Compare/PWM .................................... 51
Enhanced Capture/Compare/PWM (ECCP)
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