89C51RB2-IM 参数 Datasheet PDF下载

Table 6.

Timer SFRs

Mnemonic

TCON

TMOD

TL0

TH0

TL1

TH1

WDTRST

WDTPRG

T2CON

T2MOD

RCAP2H

Add

88h

89h

8Ah

8Ch

8Bh

8Dh

A6h

A7h

C8h

C9h

CBh

Name

Timer/Counter 0 and 1 Control

Timer/Counter 0 and 1 Modes

Timer/Counter 0 Low Byte

Timer/Counter 0 High Byte

Timer/Counter 1 Low Byte

Timer/Counter 1 High Byte

Watchdog Timer Reset

Watchdog Timer Program

Timer/Counter 2 control

Timer/Counter 2 Mode

Timer/Counter 2 Reload/Capture

High Byte

Timer/Counter 2 Reload/Capture

Low Byte

Timer/Counter 2 High Byte

Timer/Counter 2 Low Byte

-

TF2

-

-

EXF2

-

-

RCLK

-

-

TCLK

-

-

EXEN2

-

WTO2

TR2

-

WTO1

C/T2#

T2OE

WTO0

CP/RL2#

DCEN

7

TF1

GATE1

6

TR1

C/T1#

5

TF0

M11

4

TR0

M01

3

IE1

GATE0

2

IT1

C/T0#

1

IE0

M10

0

IT0

M00

RCAP2L

TH2

TL2

CAh

CDh

CCh

Table 7.

PCA SFRs

Mnemo-

nic

Add Name

D8h

D9h

E9h

F9h

PCA Timer/Counter Control

PCA Timer/Counter Mode

PCA Timer/Counter Low Byte

PCA Timer/Counter High Byte

7

CF

CIDL

6

CR

WDTE

5

-

-

4

CCF4

-

3

CCF3

-

2

CCF2

CPS1

1

CCF1

CPS0

0

CCF0

ECF

CCON

CMOD

CL

CH

CCAPM0 DAh PCA Timer/Counter Mode 0

CCAPM1 DBh PCA Timer/Counter Mode 1

CCAPM2 DCh PCA Timer/Counter Mode 2

CCAPM3 DDh PCA Timer/Counter Mode 3

CCAPM4 DEh PCA Timer/Counter Mode 4

CCAP0H FAh

CCAP1H FBh

-

ECOM0

ECOM1

ECOM2

ECOM3

ECOM4

CAPP0

CAPP1

CAPP2

CAPP3

CAPP4

CAPN0

CAPN1

CAPN2

CAPN3

CAPN4

MAT0

MAT1

MAT2

MAT3

MAT4

TOG0

TOG1

TOG2

TOG3

TOG4

PWM0

PWM1

PWM2

PWM3

PWM4

ECCF0

ECCF1

ECCF2

ECCF3

ECCF4

PCA Compare Capture Module 0 H CCAP0H7 CCAP0H6 CCAP0H5 CCAP0H4 CCAP0H3 CCAP0H2 CCAP0H1 CCAP0H0

PCA Compare Capture Module 1 H CCAP1H7 CCAP1H6 CCAP1H5 CCAP1H4 CCAP1H3 CCAP1H2 CCAP1H1 CCAP1H0

CCAP2H FCh PCA Compare Capture Module 2 H CCAP2H7 CCAP2H6 CCAP2H5 CCAP2H4 CCAP2H3 CCAP2H2 CCAP2H1 CCAP2H0

CCAP3H FDh PCA Compare Capture Module 3 H CCAP3H7 CCAP3H6 CCAP3H5 CCAP3H4 CCAP3H3 CCAP3H2 CCAP3H1 CCAP3H0

CCAP4H FEh

CCAP0L

CCAP1L

CCAP2L

CCAP3L

CCAP4L

PCA Compare Capture Module 4 H CCAP4H7 CCAP4H6 CCAP4H5 CCAP4H4 CCAP4H3 CCAP4H2 CCAP4H1 CCAP4H0

CCAP0L5

CCAP1L5

CCAP2L5

CCAP3L5

CCAP4L5

CCAP0L4 CCAP0L3 CCAP0L2 CCAP0L1

CCAP1L4 CCAP1L3 CCAP1L2 CCAP1L1

CCAP2L4 CCAP2L3 CCAP2L2 CCAP2L1

CCAP3L4 CCAP3L3 CCAP3L2 CCAP3L1

CCAP4L4 CCAP4L3 CCAP4L2 CCAP4L1

CCAP0L0

CCAP1L0

CCAP2L0

CCAP3L0

CCAP4L0

EAh PCA Compare Capture Module 0 L CCAP0L7 CCAP0L6

EBh PCA Compare Capture Module 1 L CCAP1L7 CCAP1L6

ECh PCA Compare Capture Module 2 L CCAP2L7 CCAP2L6

EDh PCA Compare Capture Module 3 L CCAP3L7 CCAP3L6

EEh PCA Compare Capture Module 4 L CCAP4L7 CCAP4L6

6

AT89C51RB2/RC2

4180C–8051–12/03