SAA7335 Datasheet, PDF (4/36 Pages) NXP Semiconductors – DSP for CD and DVD-ROM systems

Philips Semiconductors
DSP for CD and DVD-ROM systems
Preliminary specification
SAA7335
PINNING
SYMBOL
PIN
V_SSA1
1
I_ref
2
REFLo
3
REFHi
4
VREF
5
HFIN
6
V_SSA2
7
AGCOUT
8
V_DDA2
9
V_DDD1
10
V_SSD1
11
OTD
12
MOTO1
13
n.c.
14
MOTO2/T3
15
n.c.
16
T1
17
T2
18
V_DDD2
19
V_SSD2
20
TEST1
21
TEST2
22
POR
23
MUXSWICH
24
n.c.
25
CL1
26
BCAIN
27
SDA
28
SCL
29
INT
30
V_DDD3
31
V_SSD3
32
da7
33
da6
34
da5
35
n.c.
36
da4
37
n.c.
38
da3
39
da2
40
1997 Aug 11
TYPE
supply
I
I
I
I
I
supply
O
supply
supply
supply
I
O
−
I/O
−
I
I
supply
supply
I
I
I
I
−
O
I
I/O
I
O
supply
supply
I/O
I/O
I/O
−
I/O
−
I/O
I/O
DESCRIPTION
analog ground 1
analog current reference input for ADC
analog low reference input for ADC
analog high reference input for ADC
analog negative input
analog positive input
analog ground 2
analog test pin output
analog supply voltage 2
digital supply voltage 1
digital ground 1
off track detect input
3-state motor control output
not connected, reserved
motor control output/tachometer 3 input
not connected, reserved
tachometer 1 input
tachometer 2 input
digital supply voltage 2
digital ground 2
test input 1
test input 2
power-on reset input
use clock multiplier input
not connected, reserved
divided clock output
BCA input
sub-CPU I²C-bus serial data input/output
sub-CPU I²C-bus serial clock input
sub-CPU interrupt output (open-drain)
digital supply voltage 3
digital ground 3
sub-CPU data bus bit 7 input/output (parallel)
sub-CPU data bus bit 6 input/output (parallel)
sub-CPU data bus bit 5 input/output (parallel)
not connected, reserved
sub-CPU data bus bit 4 input/output (parallel)
not connected, reserved
sub-CPU data bus bit 3 input/output (parallel)
sub-CPU data bus bit 2 input/output (parallel)
4