AT89C5131A-M(2005) View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT89C5131A-M
(Rev.:2005)

8-bit Flash Microcontroller with Full Speed USB Device

Atmel Corporation 

Table 23. Timer SFR’s

Mnemonic Add Name

TH0

8Ch Timer/Counter 0 High byte

TL0

8Ah Timer/Counter 0 Low byte

TH1

8Dh Timer/Counter 1 High byte

TL1

8Bh Timer/Counter 1 Low byte

TH2

CDh Timer/Counter 2 High byte

TL2

CCh Timer/Counter 2 Low byte

TCON

88h

Timer/Counter 0 and 1

control

TMOD

89h

Timer/Counter 0 and 1

Modes

T2CON

C8h Timer/Counter 2 control

T2MOD

C9h Timer/Counter 2 Mode

RCAP2H

CBh

Timer/Counter 2

Reload/Capture High byte

RCAP2L

CAh

Timer/Counter 2

Reload/Capture Low byte

WDTRST

A6h WatchDog Timer Reset

WDTPRG

A7h WatchDog Timer Program

7

TF1

GATE1

TF2

6

TR1

C/T1#

EXF2

5

TF0

M11

RCLK

4

3

2

TR0

IE1

IT1

M01

TCLK

GATE0

EXEN2

C/T0#

TR2

S2

1

0

IE0

IT0

M10

M00

C/T2#

T2OE

CP/RL2#

DCEN

S1

S0

Table 24. Serial I/O Port SFR’s

Mnemonic Add Name

SCON

98h Serial Control

SBUF

99h Serial Data Buffer

SADEN

B9h Slave Address Mask

SADDR

A9h Slave Address

7

6

5

4

3

2

1

0

FE/SM0 SM1

SM2

REN

TB8

RB8

TI

RI

Table 25. Baud Rate Generator SFR’s

Mnemonic

Add Name

BRL

9Ah Baud Rate Reload

BDRCON

9Bh Baud Rate Control

7

6

5

4

3

2

1

0

BRR

TBCK

RBCK

SPD

SRC

22 AT89C5130A/31A-M

4337C–USB–02/05

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