At83c5123 version – Rainbow Electronics AT89C5122 User Manual

Page 35

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35

AT8xC5122/23

4202E–SCR–06/06

AT83C5123 Version

Notes:

1. Mapping is done using SCRS bit in SCSR register.
2. Grey areas : do not write in.

Bit

addressable

Not bit addressable

0/8

1/9

2/A

3/B

4/C

5/D

6/E

7/F

F8h

UEPINT

0000 0000

F0h

B

0000 0000

LEDCON0

0000 0000

E8h

P5

XXXX XXX1

E0h

ACC

0000 0000

UBYCTX

0000 0000

D8h

D0h

PSW

0000 0000

UEPCONX

1000 0000

UEPRST

0000 0000

C8h

UEPSTAX

0000 0000

UEPDATX
0000 0000

S
C
R
S

1

C0h

P4

11XX XXXX

SCICLK

(1)

0X10 1111

UEPIEN

0000 0000

USBADDR

1000 0000

UEPNUM

0000 0000

0

SCWT3

(1)

0000 0000

B8h

IPL0

X000 000

SADEN

0000 0000

UFNUML

0000 0000

UFNUMH

0000 0000

USBCON

0000 0000

USBINT

0000 0000

USBIEN

0000 0000

DCCKPS

0000 0000

S
C
R
S

1

B0h

P3

1111 1111

IEN1

X0XX 0XXX

IPL1

X0XX 0XXX

IPH1

X0XX 0XXX

SCGT0

(1)

0000 1100

SCGT1

(1)

XXXX XXX0

SCICR

(1)

0000 0000

IPH0

X000 0000

0

SCWT0

(1)

1000 0000

SCWT1

(1)

0010 0101

SCWT2

(1)

0000 0000

S
C
R
S

1

A8h

IEN0

0000 0000

SADDR

0000 0000

SCIBUF

XXXX XXXX

SCSR

X000 1000

SCETU0

(1)

0111 0100

SCETU1

(1)

XXXX X001

SCIER

(1)

0X00 0000

CKCON1

XXXX XXX0

0

SCCON

(1)

0000 0000

SCISR

(1)

10X0 0000

SCIIR

(1)

0X00 0000

A0h

ISEL

0000 0100

AUXR1

XXXX 0XX0

PLLCON

XXXX X000

PLLDIV

0000 0000

WDTRST

XXXX XXXX

WDTPRG

XXXX X000

98h

SCON

0000 0000

SBUF

XXXX XXXX

BRL

0000 0000

BDRCON

XXX0 0000

90h

P1

1111 1111

PMOD0

00XX 0XXX

CKRL

XXXX 1111

88h

TCON

0000 0000

TMOD

0000 0000

TL0

0000 0000

TL1

0000 0000

TH0

0000 0000

TH1

0000 0000

AUXR

0XXX X000

CKCON0

X0X0 X000

80h

SP

0000 0111

DPL

0000 0000

DPH

0000 0000

PMOD1

XXXX 00XX

CKSEL

XXXX XXX0

PCON

00X1 0000

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