SLRC400 datasheet(27/130 Pages) PHILIPS

27 / 130 page

Philips Semiconductors

Product Specification Rev. 2.0 November 2001

•CODE Reader IC

SL RC400

Preliminary

5.2.2

PAGE 1: CONTROL AND STATUS

5.2.2.1

Page Register

Selects the register page. See 5.2.1.1 Page register.

5.2.2.2

Control Register

Diverse control flags, e.g. : timer, power saving

Name: Control

Address: 0x09

Reset value: 00000000, 0x00

StandBy

PowerDown

TStopNow

TStartNow

FlushFIFO

Access

Rights

r/w

Description of the bits

Bit

Symbol

Function

7-6

Reserved for future use

StandBy

Setting this bit to 1 enters the Soft PowerDown Mode. This means, internal

current consuming blocks switch off, the oscillator keeps running.

PowerDown

Setting this bit to 1 enters the Soft PowerDown Mode. This means, internal

current consuming blocks switch off including the oscillator.

Reserved for future use

TStopNow

Setting this bit to 1 starts the timer immediately.

Reading this bit will always return 0.

TStartNow

Setting this bit to 1 stops the timer immediately.

Reading this bit will always return 0.

FlushFIFO

Setting this bit to 1clears the internal FIFO-buffer’s read- and write-pointer

(FIFOLength becomes 0) and the flag FIFOOvfl immediately.

Reading this bit will always return 0.

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