ak7712a-vt AKM Semiconductor, Inc., ak7712a-vt Datasheet - Page 5

• Manufacturer Part Number: ak7712a-vt
• Description: Built-in 20-bit Adc/dac Sophisticated Audio Dsp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
„ „ „ „ AK7712A DSP unit Block Diagram
0180-E-02
34-bit
256
40-bit
MPX16
CRAM
CP0,1
A
X
16
Overflow Margin:4bit
Division
16
16 16
16
DBUS (24-bit)
Multiply
DR0 3
Overflow Data
CBUS (16-bit)
34-bit
24 40
ALU
Generator
MUL
24-bit
MPX24
SHIFT
Peak Detector
Y
34-bit
B
DBUS
24-bit
128
DRAM
DP0,1
24
note 1: Normally it's connected to built-in ADC
TMP 8
2
2: Normally it's connected to built-in DAC1
3: Normally it's connected to built-in DAC2
Data
D0 7
2
2
2
2
D
E
C
Delay Data
20/16-bit
16-bit
24/16-bit
24/16-bit
20/16-bit
20/16-bi
- 5 -
Stack:1Level
24-bit
Micom I/F
Address
384
AD0 16
Control
PRAM
PC
32
Ext RAM
SDIN1 (24/16-bit)
SDOUT1 (24/16-bit)
SDOUT2 (20/16-bit)
SDOUT3 (20/16-bit)
MSB/LSB justified Serial In
MSB justified Serial In (note 1)
MSB/LSB justified Serial Out
MSB justified Serial Out (note 2)
MSB justified Serial Out (note 3)
Control
SDIN2 (20/16-bit)
Microcomputer Serial
OFRAM
40
Interface
16
[AK7712A-VT]
1997/12