SAA7335 Datasheet, PDF (5/36 Pages) NXP Semiconductors – DSP for CD and DVD-ROM systems

Philips Semiconductors
DSP for CD and DVD-ROM systems
Preliminary specification
SAA7335
SYMBOL
PIN
da1
41
n.c.
42
da0
43
V_DDD4
44
V_SSD4
45
WRi
46
RDi
47
ALE
48
CSi
49
STOPCLOCK
50
n.c.
51
V4
52
EBUOUT
53
SYNC
54
FLAG
55
DATA
56
BCLK
57
WCLK
58
V_DDD5
59
V_SSD5
60
RAMRW
61
n.c.
62
RAMDA7
63
RAMDA6
64
RAMDA5
65
RAMDA4
66
RAMDA3
67
RAMDA2
68
n.c.
69
RAMDA1
70
RAMDA0
71
V_DDD6
72
V_SSD6
73
RAMAD0
74
RAMAD1
75
RAMAD2
76
RAMAD3
77
RAMAD4
78
RAMAD5
79
RAMAD6
80
V_DDD7
81
1997 Aug 11
TYPE
I/O
−
I/O
supply
supply
I
I
I
I
O
−
O
O
O
O
O
I/O
I/O
supply
supply
O
−
I/O
I/O
I/O
I/O
I/O
I/O
−
I/O
I/O
supply
supply
O
O
O
O
O
O
O
supply
DESCRIPTION
sub-CPU data bus bit 1 input/output (parallel)
not connected, reserved
sub-CPU data bus bit 0 input/output (parallel)
digital supply voltage 4
digital ground 4
sub-CPU write enable input (active LOW)
sub-CPU read enable input (active LOW)
sub-CPU address latch enable input
sub-CPU chip select input (active HIGH)
stop clock output
not connected, reserved
serial subcode output (for CD)
digital audio output
I²S-bus sector sync output
I²S-bus correction flag output
I²S-bus serial data output
I²S-bus bit serial clock input/output
I²S-bus word clock input/output
digital supply voltage 5
digital ground 5
RAM read/write control output
not connected, reserved
RAM data bus bit 7 input/output
RAM data bus bit 6 input/output
RAM data bus bit 5 input/output
RAM data bus bit 4 input/output
RAM data bus bit 3 input/output
RAM data bus bit 2 input/output
not connected, reserved
RAM data bus bit 1 input/output
RAM data bus bit 0 input/output
digital supply voltage 6
digital ground 6
RAM address bit 0 output
RAM address bit 1 output
RAM address bit 2 output
RAM address bit 3 output
RAM address bit 4 output
RAM address bit 5 output
RAM address bit 6 output
digital supply voltage 7
5