Rainbow Electronics AT89C5132 User Manual

Page 32

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32

AT8xC5132

4173A–8051–08/02

Table 34. Port SFRs

Mnemonic

Add

Name

7

6

5

4

3

2

1

0

P0

80h

8-bit Port 0

–

–

–

–

–

–

–

–

P1

90h

8-bit Port 1

–

–

–

–

–

–

–

–

P2

A0h

8-bit Port 2

–

–

–

–

–

–

–

–

P3

B0h

8-bit Port 3

–

–

–

–

–

–

–

–

P4

C0h

8-bit Port 4

–

–

–

–

–

–

–

–

P5

D8h

4-bit Port 5

–

–

–

–

–

–

–

–

Table 35. Flash Memory SFR

Mnemonic

Add

Name

7

6

5

4

3

2

1

0

FCON

D1h

Flash Control

FPL3

FPL2

FPL1

FPL0

FPS

FMOD1

FMOD0

FBUSY

Table 36. Timer SFRs

Mnemonic

Add

Name

7

6

5

4

3

2

1

0

TCON

88h

Timer/Counter 0 and 1 Control

TF1

TR1

TF0

TR0

IE1

IT1

IE0

IT0

TMOD

89h

Timer/Counter 0 and 1 Modes

GATE1

C/T1#

M11

M01

GATE0

C/T0#

M10

M00

TL0

8Ah

Timer/Counter 0 Low Byte

–

–

–

–

–

–

–

–

TH0

8Ch

Timer/Counter 0 High Byte

–

–

–

–

–

–

–

–

TL1

8Bh

Timer/Counter 1 Low Byte

–

–

–

–

–

–

–

–

TH1

8Dh

Timer/Counter 1 High Byte

–

–

–

–

–

–

–

–

WDTRST

A6h

WatchDog Timer Reset

–

–

–

–

–

–

–

–

WDTPRG

A7h

WatchDog Timer Program

–

–

–

–

–

WTO2

WTO1

WTO0

Table 37. Audio Interface SFRs

Mnemonic

Add

Name

7

6

5

4

3

2

1

0

AUDCON0

9Ah

Audio Control 0

JUST4

JUST3

JUST2

JUST1

JUST0

POL

DSIZ

HLR

AUDCON1

9Bh

Audio Control 1

SRC

DRQEN

MSREQ

MUDRN

–

DUP1

DUP0

AUDEN

AUDSTA

9Ch

Audio Status

SREQ

UDRN

AUBUSY

–

–

–

–

–

AUDDAT

9Dh

Audio Data

AUD7

AUD6

AUD5

AUD4

AUD3

AUD2

AUD1

AUD0

AUDCLK

ECh

Audio Clock Divider

–

–

–

AUCD4

AUCD3

AUCD2

AUCD1

AUCD0