SAA7740 Philips Semiconductors, SAA7740 Datasheet - Page 3

• Manufacturer Part Number: SAA7740
• Description: Digital Audio Processing IC DAPIC
• Manufacturer: Philips Semiconductors

Philips Semiconductors
BLOCK DIAGRAM
1997 May 30
handbook, full pagewidth
Digital Audio Processing IC (DAPIC)
CLK1/XTAL1
SCCLK
XTAL2
DIBCK
DIWS
DI1D
DI2D
RST
ALL
56
59
62
43
41
42
44
64
1
V DDX
OSCILLATOR
PROGRAM
COUNTER
I S-BUS
2
INPUT
60
XTAL
V SSX
SAA7740H
61
PROGRAMMABLE
BUFFER
INPUT
ROM
COUNTER
CLOCK
CLKO
16
63
Fig.1 Block diagram.
PROCESSING CORE
2nd-ORDER FILTER
TSTCLK
7
DIGITAL SIGNAL
OFFSET FILTER
REGISTERS
45
3
AS1
COEFFICIENT
MAC
INTERFACE
16
I C-BUS
51
2
RAM
TST1
47
16
AS2
52
TST2
48
OUTPUT
BUFFER
TST3
CONTROL
ADDRESS
UNIT
49
31 to 27/24 to 21
OUTPUT
I S-BUS
2
11, 12, 15, 16
9, 13, 25, 40,
7, 8, 26, 32,
46, 50, 55
38, 53, 54
MLC173
Product specification
SAA7740H
7
7
36
34
35
37
19
10
17
18
14
20
33
4
2
3
V SS
V DD
DOWS
DO1D
DO2D
DOBCK
MUTE
RAS
CAS
CAS2
WE
OE
A0 to A8
D0 to D3
A8B
MUX
SCL
SDA