1. , , .
2. .
3. .
5. (F7) STATUS, FSR PORTB.
6. , <RB3>.
7. , .
:
1. , , (F8), . , , (F7) 20000 .
2. DELAY_SCAN TMP0 TMP1 02h, .
3. MPLAB (). , 3.18. Asynchronous Stimulus Simulator Stimulus Debug. , . , , Assign Pin, , . , , RB3. ( ):
Pulse ;
Low ;
High ;
Toggle .
, , .
3.18
( Stopwatch Windows). . Cycles , Time , Processor Frequency . Zero , Clear On Reset .
3.19
4. : LAB- \ Lab_Digital \ Mps_2\ \ scan.asm.
3.6.5 :
1. , goto $-12 goto $-.12 org 0x40.
|
|
2. ?
3. ?
3.7 7 TMR0
- .
, (Fosc/4).
8- , .
8- , .
, OPTION_REG ( 3.20).
T0CS '0' (OPTION_REG<5>), TMR0 .
PSA (OPTION_REG<3>).