C508 datasheet(25/93 Pages) INFINEON

25 / 93 page

C508

Data Sheet

2000-08

Watchdog

Timer

WDTL

WDTH

WDTREL

IEN04)

IEN14)

IP04)

Watchdog Timer Register, low byte

Watchdog Timer Register, high byte

Watchdog Timer Reload Register

Interrupt Enable Register 0

Interrupt Enable Register 1

Interrupt Priority Register 0

84H

85H

86H

A8H

B8H

A9H

00H

Power

Save

Modes

PCON4)

PCON16)

Power Control Register

Power Control Register 1

87H

88H

00H

0XX0XXXXB

1) This SFR is a mapped SFR. For accessing this SFR, bit RMAP in SFR SYSCON must be set.

2) Bit-addressable special function registers

3) The content of this SFR varies with the actual step of the C508 (e.g. 01

H for the first step)

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

5) “X” means that the value is undefined and the location is reserved.

6) SFR is located in the mapped SFR area. For accessing this SFR, bit RMAP in SFR SYSCON must be set.

Table 2

Special Function Registers - Functional Blocks (cont’d)

Block

Symbol

Name

Addr. Contents

after Reset

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