X hits on this document

69 views

0 shares

0 downloads

0 comments

26 / 34

NXP Semiconductors

Product specification

Economy audio CODEC for MiniDisc (MD) home stereo and portable applications

UDA1341TS

12 AC CHARACTERISTICS (DIGITAL)

VDDD = VDDA = 2.7 to 3.6 V; T unless otherwise specified.

amb

= 20 to +85 °C; all voltages measured with respect to ground (pins 1, 11 and 27);

SYMBOL PARAMETER System clock timing (see Fig.8)

Tsys

clock cycle time

tCWL

LOW-level pulse width

tCWH

HIGH-level pulse width

fsys

= 256fs

f sys

= 384fs

f sys

= 512fs

f sys

< 19.2 MHz

f sys

19.2 MHz

f sys

< 19.2 MHz

f sys

19.2 MHz

CONDITIONS

MIN.

78 52 39 0.30Tsys 0.40T 0.30T 0.40T sys sys sys

88 59 44

TYP.

MAX.

UNIT

131 87 66 0.70Tsys 0.60T 0.70T 0.60T

sys

sys

sys

ns ns ns ns ns ns ns

Serial input/output data timing (see Fig.9)

f

r

Tcy t t t t t t t

s;DATI

h;DATI

BCK(L)

BCK(H)

d;DATO(BCK)

bit clock cycle time bit clock HIGH time bit clock LOW time rise time fall time data input set-up time data input hold time

data output delay time (from BCK falling edge)

td;DATO(WS)

data output delay time (from WS edge)

s;WS

h;WS

th;DATO t t

data output hold time word select set-up time word select hold time

300

100

100

20

0

Tcy(CLK)(L3) t t t t t t t

CLK(L3)H

CLK(L3)L

su(L3)A

h(L3)A

su(L3)D

h(L3)D

su(L3)DA

L3CLOCK L3CLOCK HIGH time L3CLOCK LOW time L3MODE set-up time L3MODE hold time L3MODE set-up time L3MODE hold time L3DATA set-up time

th(L3)DA

L3DATA hold time

tstp(L3)

L3MODE halt time

500

250

250

addressing mode

190

addressing mode

190

data transfer mode

190

data transfer mode

190

data transfer and

190

MSB-justified format

0 20 10

data transfer and

30

addressing mode

190

Microcontroller L3-interface timing (see Figs 5 and 6)

addressing mode

ns

ns

ns

ns

ns

ns

20

ns

20

ns

ns

ns

80

ns

ns

ns

ns

ns

ns

ns

ns

ns

80

ns

ns

ns

2002 May 16

26

Document info
Document views69
Page views69
Page last viewedSat Dec 03 19:53:26 UTC 2016
Pages34
Paragraphs3107
Words10787

Comments