IC80C32-40W datasheet(19/48 Pages) ICSI

Part #	IC80C32-40W

Description	CMOS SINGLE CHIP 8-BIT MICROCONTROLLER

Download	48 Pages

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Manufacturer	ICSI [Integrated Circuit Solution Inc]

Direct Link	http://www.icsi.com.tw

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Integrated Circuit Solution Inc.

19

MC002-0B

IC80C52

IC80C32

Table 5. Timer/Counter 1 Used as a Timer

TMOD

Mode

Timer 1

Internal

External

Function

Control(1)

Control(2)

0

13-Bit Timer

00H

80H

1

16-Bit Timer

10H

90H

2

8-Bit Auto-Reload

20H

A0H

3

Does Not Run

30H

B0H

Table 6. Timer/Counter 1 Used as a Counter

TMOD

Mode

Timer 1

Internal

External

Function

Control(1)

Control(2)

0

13-Bit Timer

40H

C0H

1

16-Bit Timer

50H

D0H

2

8-Bit Auto-Reload

60H

E0H

3

Not Available

—

Notes:

1. The Timer is turned ON/OFF by setting/clearing bit TR1

in the software.

2. The Timer is turned ON/OFF by the 1-to-0 transition on

INT1 (P3.3) when TR1 = 1 (hardware control).

Timer Setup

Tables 3 through 6 give TMOD values that can be used to

set up Timers in different modes.

It assumes that only one timer is used at a time. If Timers

0 and 1 must run simultaneously in any mode, the value in

TMOD for Timer 0 must be ORed with the value shown for

Timer 1 (Tables 5 and 6).

For example, if Timer 0 must run in Mode 1 GATE (external

control), and Timer 1 must run in Mode 2 COUNTER, then

the value that must be loaded into TMOD is 69H (09H from

Table 3 ORed with 60H from Table 6).

Moreover, it is assumed that the user is not ready at this

point to turn the timers on and will do so at another point in

the program by setting bit TRx (in TCON) to 1.

Table 3. Timer/Counter 0 Used as a Timer

TMOD

Mode

Timer 0

Internal

External

Function

Control(1)

Control(2)

0

13-Bit Timer

00H

08H

1

16-Bit Timer

01H

09H

2

8-Bit Auto-Reload

02H

0AH

3

Two 8-Bit Timers

03H

0BH

Table 4. Timer/Counter 0 Used as a Counter

TMOD

Mode

Timer 0

Internal

External

Function

Control(1)

Control(2)

0

13-Bit Timer

04H

0CH

1

16-Bit Timer

05H

0DH

2

8-Bit Auto-Reload

06H

0EH

3

One 8-Bit Counter

07H

0FH

Notes:

1. The Timer is turned ON/OFF by setting/clearing bit TR0

in the software.

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IC80C32-40W Datasheet(PDF) 19 Page - Integrated Circuit Solution Inc

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