. 5 . 12 ALE. , MUL A,B DIV A,B, 4 .
. 5.
4. /
:
16- /0 /1;
/ (TMOD);
(TCON);
;
INT 0, INT 1, T0, T1;
;
/.
/ 0, 1 TMOD. / 0 / 1 4 :
0 (0=0, 1=0) / 13- , 32 TL0, TL1;
1 (0=0, 1=1) 0 , / 16- ;
2 (0=1, 1=0) / 8- ;
3 (0=1, 1=1) / 1 3 ( /). / 0 2 8- TL0, TH0. TL0 .
, 2, / 00H, / TR0, TR1 INT0, INT1.
:
, ( F/12);
, T0 ( /0), T1 ( /1).
C/T0, C/T1 TMOD.
- ( TMOD) TCON. , TCON (.. ), TMOD (.. ). . 2. .
2.
TMOD = 89H
Gate1 | C/T1 | M11 | M01 | Gate0 | C/T0 | M10 | M00 |
0,1 | 00, 10 | 0. | - |
C/T0 | C/T0 = 0 , = 1 ( 0; 0). | - | |
Gate0 | Gate0 = 1 0, INT0 =1 TR0=1 TCON. Gate0 = 0 0, TR0=1 TCON. | - | |
4,5 | 01, 11 | 1. | - |
C/T1 | C/T1 = 0 , = 1 ( 1; 1) | - | |
Gate1 | Gate1 = 1 1, INT1 =1 TR1=1 TCON. Gate1 = 0 1, TR1=1 TCON. | - |
TCON = 88H
|
|
TF1 | TR1 | TF0 | TR0 | IE1 | IT1 | IE0 | IT0 |
IT0 | 0. IT0 = 1 , IT0 = 0 - . | - | |
IE0 | 0. 0, . | ||
IT0 | 1. IT1 = 1 , IT1 = 0 - . | - | |
IE1 | 1. 1, . | ||
TR0 | 0. , . | - | |
TF0 | 0. , 0. | - | |
TR1 | 1. , . | - | |
TF1 | 1. , 1. | - |