C515 Datasheet, PDF(21/55 Page) Siemens Semiconductor Group

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C515 Datasheet, PDF (21/55 Pages) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

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C515

Table 2

Special Function Registers - Functional Blocks (contâd)

Block Symbol Name

Address Contents after

Reset

Ports

Serial

Channel

ADCON 2)

PCON 2)

SBUF

SCON 2)

Watchdog IEN0 2)

IEN1 2)

IP0 2))

Power

Saving

Modes

PCON 2)

Port 0

Port 1

Port 2

Port 3

Port 4

Port 5

Port 6, Analog/Digital Input

A/D Converter Control Register

Power Control Register

Serial Channel Buffer Register

Serial Channel Control Register

Interrupt Enable Register 0

Interrupt Enable Register 1

Interrupt Priority Register 0

Power Control Register

80H 1)

90H 1)

A0H 1)

B0H 1

E8H 1)

F8H 1)

DBH

D8H 1

87H

99H

98H 1)

A8H1)

B8H 1)

A9H

87H

FFH

00X0 0000B 3)

00H

XXH 3)

00H

X000 0000B 3))

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

1997-08-01

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