SAA7348GP Datasheet, PDF (42/60 Pages) NXP Semiconductors – All Compact Disc Engine ACE

Philips Semiconductors
All Compact Disc Engine (ACE)
Preliminary specification
SAA7348GP
REGISTER
B
(Speed control)
ADDRESS
1011
C
(Data slicer and
AGC control)
1100
D
(Versatile pins
interface)
1101
E
1110
DATA
x0xx
x1xx
0xxx
1xxx
xx00
xx10
xx11
1xxx
01xx
00xx
xx0x
xx1x
xxx0
xxx1
xx01
xx10
xx11
01xx
10xx
11xx
0xxx
x0xx
x1xx
xx0x
xx1x
xxx0
xxx1
FUNCTION
33.8688 MHz crystal present,
or 8.4672 MHz crystal with SELPLL set HIGH
16.9344 MHz crystal present
single speed mode (if register E = 0xxx)
four times speed mode (if register E = 1xxx); note 2
double speed mode (if register E = 0xxx)
eight times speed mode (if register E = 1xxx); note 2
standby 1: ‘CD-STOP’ mode
standby 2: ‘CD-PAUSE’ mode
operating mode
slicer bandwidth ^{2----5n---5--} or ^{1----n1---2--} Hz
slicer bandwidth ^{1----1n---2--} or ^5--n--6-- Hz
slicer bandwidth ^2--n--7-- or ^1--n--3-- Hz
digital equalizer enabled
digital equalizer disabled
AGC active
AGC inactive (on hold)
subcode channels Q-W at SUBQW
SUBQW = 0
SUBQW = 1
de-emphasis signal at DEEM, no internal
de-emphasis filter
DEEM = 0
DEEM = 1
bit controls operating speed mode, see register B
audio features disabled
audio features enabled
lock-to-disc mode disabled
lock-to-disc mode enabled
low-stop = 0; motor brakes to 12%
low-stop = 1; motor brakes to 6%
INITIAL⁽¹⁾
reset
−
reset
−
reset
−
−
−
−
reset
−
reset
reset
−
−
−
reset
−
−
reset
reset
−
reset
reset
−
reset
−
1997 Jul 11
42