C517A_99 Datasheet, PDF(40/218 Page) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

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C517A_99 Datasheet, PDF (40/218 Pages) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

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C517A

Table 3-1

Special Function Registers - Functional Blocks (contâd)

Block Symbol Name

Address Contents after

Reset

Ports

P0

P1

P2

P3

P4

P5

P6

P7

P8

Port 0

Port 1

Port 2

Port 3

Port 4

Port 5

Port 6

Port 7, Analog/Digital Input

Port 8, Analog/Digital Input, 4-bit

XRAM

XPAGE Page Address Register for Extended

On-Chip RAM

SYSCON 2) System/XRAM Control Register

Serial

Channels

ADCON0 2) A/D Converter Control Register

PCON 2) Power Control Register

S0BUF Serial Channel 0 Buffer Register

S0CON 2) Serial Channel 0 Control Register

S0RELL Serial Channel 0 Reload Reg., Low Byte

S0RELH Serial Channel 0 Reload Reg., High Byte

S1BUF Serial Channel 1 Buffer Register

S1CON 2) Serial Channel 1 Control Register

S1RELL Serial Channel 1 Reload Reg., Low Byte

S1RELH Serial Channel 1 Reload Reg., High Byte

Watchdog IEN0 2)

IEN1 2)

IP0 2)

WDTREL

Interrupt Enable Register 0

Interrupt Enable Register 1

Interrupt Priority Register 0

Watchdog Timer Reload Register

Pow. Sav. PCON 2)

Modes

Power Control Register

80H 1)

90H 1)

A0H 1)

B0H 1)

E8H 1)

F8H 1)

FAH

DBH

DDH

91H

B1H

D8H 1)

87H

99H

98H 1)

AAH

BAH

9CH

9BH

9DH

BBH

A8H1)

B8H 1)

A9H

86H

87H

FFH

FFH

FFH

FFH

FFH

FFH

FFH

â

â

00H

XXXX XX01B 3)

00H

00H

XXH 3)

00H

D9H

XXXX XX11B 3)

XXH 3)

0X00 0000B 3)

00H

XXXX XX11B 3)

00H

00H

00H

00H

00H

1) Bit-addressable special function registers

2) This special function register is listed repeatedly since some bits of it also belong to other functional blocks.

3) âXâ means that the value is undefined and the location is reserved.

Semiconductor Group

3-14

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