PCD5008 datasheet(23/64 Pages) PHILIPS

23 / 64 page

1998 Jun 17

Philips Semiconductors

Product speciﬁcation

FLEX

™ Pager Decoder

PCD5008

8.5.5.3

Receiver warm-up setting packets

(ID = 11H to 15H)

CLS: control line setting (Table 15). This is the value to be

output on the receiver control lines (S0 to S7) for this

receiver warm-up state. Value after reset = 0.

SE: step enable (Table 15). The receiver setting is

enabled when the bit is set. If the bit is cleared then that

step in the receiver warm-up sequence is disabled and all

following steps are ignored. Value after reset = 0.

LBC: low battery check (Table 15). If this bit is set, the

PCD5008 checks the status of the LOBAT port just before

leaving this receiver warm-up state. Value after reset = 0.

ST: step time (Table 15). This sets the duration time for

receiver warm-up until the next receiver state. The setting

is in 625

µs steps and valid values are:

625

µs (ST = 01H) to 79.375 ms (ST = 7FH).

Value after reset = 01H.

s: setting number, see Tables 14 and 15 for the s names

and values and location in the receiver warm-up packet.

Table 14 Receiver warm-up setting numbers

Table 15 Receiver warm-up setting packet bit assignments

SETTING NAME

0001

warm-up 1

0010

warm-up 2

0011

warm-up 3

0100

warm-up 4

0101

warm-up 5

BYTE

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

30001

2SE0

LBC

CLS7

CLS6

CLS5

CLS4

CLS3

CLS2

CLS1

CLS0

ST6

ST5

ST4

ST3

ST2

ST1

ST0

PCD5008 Datasheet(PDF) 23 Page - NXP Semiconductors

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