SLRC400 datasheet(3/130 Pages) PHILIPS

3 / 130 page

Philips Semiconductors

Product Specification Rev. 2.0 November 2001

•CODE Reader IC

SL RC400

Preliminary

6.3.1

Start Up Register Initialisation File (Read/Write)........................................................................... 63

6.3.2

Shipment Content of Start Up Register initialisation File ............................................................... 64

6.3.3

Register Initialisation File (Read/Write)........................................................................................ 65

FIFO BUFFER........................................................................................................................... 66

7.1

Overview................................................................................................................................... 66

7.2

Accessing the FIFO Buffer.......................................................................................................... 66

7.2.1

Access Rules ............................................................................................................................ 66

7.3

Controlling the FIFO-Buffer......................................................................................................... 66

7.4

Status Information about the FIFO-Buffer.................................................................................... 67

7.5

Register overview FIFO Buffer.................................................................................................... 68

INTERRUPT REQUEST SYSTEM .............................................................................................. 69

8.1

Overview................................................................................................................................... 69

8.1.1

Interrupt Sources Overview........................................................................................................ 69

8.2

Implementation of Interrupt Request Handling ............................................................................. 70

8.2.1

Controlling Interrupts and their Status ......................................................................................... 70

8.2.2

Accessing the Interrupt Registers ............................................................................................... 70

8.3

Configuration of Pin IRQ ............................................................................................................ 70

8.4

Register Overview Interrupt Request System .............................................................................. 71

TIMER UNIT.............................................................................................................................. 72

9.1

Overview................................................................................................................................... 72

9.2

Implementation of the Timer Unit ................................................................................................ 73

9.2.1

Block Diagram........................................................................................................................... 73

9.2.2

Controlling the Timer Unit........................................................................................................... 74

9.2.3

Timer Unit Clock and Period....................................................................................................... 74

9.2.4

Status of the Timer Unit.............................................................................................................. 75

9.2.5

TimeSlotPeriod.......................................................................................................................... 75

9.3

Usage of the Timer Unit ............................................................................................................. 77

9.3.1

Time-Out- and Watch-Dog-Counter............................................................................................. 77

9.3.2

Stop Watch ............................................................................................................................... 77

9.3.3

Programmable One-Shot Timer .................................................................................................. 77

9.3.4

Periodical Trigger ...................................................................................................................... 77

9.4

Register Overview Timer Unit..................................................................................................... 78

POWER REDUCTION MODES .................................................................................................. 79

10.1

Hard Power Down...................................................................................................................... 79

10.2

Soft Power Down....................................................................................................................... 79

10.3

Stand By Mode.......................................................................................................................... 80

10.4

Receiver Power Down................................................................................................................ 80

START UP PHASE.................................................................................................................... 81

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