PCF50732 datasheet(34/64 Pages) PHILIPS

34 / 64 page

1999 May 03

Philips Semiconductors

Objective speciﬁcation

Baseband and audio interface for GSM

PCF50732

12.3.11 TEST MODE REGISTER

Only test mode 8 (TM8) is available to the end user. It is used to mark baseband-I (BB-I) samples with a logic 0 and

baseband-Q (BB-Q) samples with a logic 1 on the LSB of the 12-bit value.

Table 29 Test mode register (address 1111)

TEST

MODE

FUNCTION

VALUE

9876543210

normal mode (default)

don’t care

0000

TM1

baseband transmit (BBTX) I digital

0001

TM2

baseband receive (BBRX) digital

0010

TM3

voice band (VB) loop digital

0011

TM4

voice band transmit/receive (VBTX/RX) digital

0100

TM5

CSI

0101

TM6

baseband (BB) DACs

0110

TM7

voice band receive (VBRX) DAC current sources

0111

TM8

I/Q marking test

1000

TM9

voice band signal processor test mode

1001

TM10

VSP signature output mode

1010

TM11

MCLK input reﬂected on BDIO

1011

TM12

baseband bitstream output

1100

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