參數(shù)資料
型號(hào)： 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)： 6/108頁
文件大小： 1509K
代理商： MCV18ET-I/SO
2009 Microchip Technology Inc.
DS41399A-page 103
MCV18E
Reset............................................................................. 65, 68
Brown-out Reset (BOR). See Brown-out Reset (BOR)
MCLR Reset. See MCLR
Power-on Reset (POR). See Power-on Reset (POR)
Reset Conditions for PCON Register.......................... 73
Reset Conditions for Program Counter....................... 73
Reset Conditions for Status Register.......................... 73
Timing Diagram........................................................... 89
WDT Reset. See Watchdog Timer (WDT)
Revision History .................................................................. 99
S
Shoot-through Current ........................................................ 63
Sleep ....................................................................... 65, 68, 79
Special Event Trigger.......................................................... 44
Special Features of the CPU .............................................. 65
Special Function Registers ................................................. 11
Speed, Operating .................................................................. 3
Stack ................................................................................... 19
STATUS Register ............................................................... 13
Status Register ............................................................. 11, 77
PD Bit.......................................................................... 68
TO Bit.......................................................................... 68
T
T1CON Register ........................................................... 11, 36
T2CON Register ........................................................... 11, 40
Timer0 ................................................................................. 29
Associated Registers .................................................. 31
External Clock............................................................. 30
Operation .............................................................. 29, 33
Overflow Flag (T0IF Bit).............................................. 77
Overflow Interrupt ....................................................... 77
T0CKI.......................................................................... 30
Timing Diagram........................................................... 90
TMR0 Register............................................................ 11
Timer1 ................................................................................. 33
Associated registers.................................................... 37
Asynchronous Counter Mode ..................................... 34
Reading and Writing ........................................... 34
Interrupt....................................................................... 34
Modes of Operation .................................................... 33
Operation During Sleep .............................................. 34
Oscillator ..................................................................... 34
Prescaler..................................................................... 34
T1CON Register ......................................................... 11
Timing Diagram........................................................... 90
TMR1H Register ................................................... 11, 33
TMR1L Register.................................................... 11, 33
Timer2
Associated registers.................................................... 40
PR2 Register............................................................... 12
T2CON Register ......................................................... 11
TMR2 Register............................................................ 11
Timers
Timer1
T1CON................................................................ 36
Timer2
T2CON................................................................ 40
Timing Diagrams
Half-Bridge PWM Output ............................................ 63
PWM Auto-shutdown
Auto-restart Enabled ........................................... 62
Firmware Restart ................................................ 62
Time-out Sequence on Power-up ............................... 75
Timer1 Incrementing Edge.......................................... 35
Wake-up from Sleep via Interrupt............................... 80
Timing Diagrams and Specifications .................................. 86
A/D Conversion .......................................................... 93
Brown-out Reset (BOR).............................................. 89
Capture/Compare/PWM (CCP) .................................. 91
CLKOUT and I/O ........................................................ 88
External Clock ............................................................ 86
Oscillator Start-up Timer (OST).................................. 89
Power-up Timer (PWRT) ............................................ 89
Reset .......................................................................... 89
Timer0 and Timer1 ..................................................... 90
Watchdog Timer (WDT).............................................. 89
V
VREF. SEE ADC Reference Voltage
W
W Register .......................................................................... 77
Wake-up from Sleep ..................................................... 65, 79
Interrupts .............................................................. 73, 74
MCLR Reset ............................................................... 74
Timing Diagram .......................................................... 80
WDT Reset ................................................................. 74
Watchdog Timer (WDT)................................................ 65, 78
Enable (WDTE Bit) ..................................................... 78
Postscaler. See Postscaler, WDT
Programming Considerations ..................................... 78
RC Oscillator .............................................................. 78
Time-out Period .......................................................... 78
Timing Diagram .......................................................... 89
WDT Reset, Normal Operation....................... 68, 73, 74
WDT Reset, Sleep.......................................... 68, 73, 74
WWW, On-Line Support ....................................................... 5
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