AK7712 Asahi Kasei Microsystems, AK7712 Datasheet - Page 34

• Manufacturer Part Number: AK7712
• Description: Built-in 20-bit ADC/DAC Sophisticated Audio DSP
• Manufacturer: Asahi Kasei Microsystems

ASAHI KASEI
The function of shift is shown as follows.
0180-E-02
* : The use restriction is exist. (It can use when the input of multiplication is set to CRAM,DRAM.)
#: Special command used at double-precision calculation(45
Set value of shift number
#SDLF: the product shifted 15 bits to left
@SHR:Input the indirect shift value from DBUS(5 bits connection from MSB)
SH0: the product with no shift
SHR1: the product shifted 1 bit to right
SHR2: the product shifted 2 bits to right
SHR3: the product shifted 3 bits to right
SHR4: the product shifted 4 bits to right
SHR6: the product shifted 6 bits to right
SHR8: the product shifted 8 bits to right
SHRF: the product shifted 15 bits to right
SHL1: the product shifted 1 bit to left
SHL2: the product shifted 2 bits to left
SHL3: the product shifted 3 bits to left
SHL4: the product shifted 4 bits to left
SHL6: the product shifted 6 bits to left
SHL8: the product shifted 8 bits to left
SHLF: the product shifted 15 bits to left
1 0 0 0 0
1 0 0 0 1
1 0 0 1 0
1 0 0 1 1
1 0 1 0 0
1 0 1 0 1
1 0 1 1 0
1 0 1 1 1
1 1 0 0 0
1 1 0 0 1
1 1 0 1 0
1 1 0 1 1
1 1 1 0 1
1 1 1 1 0
1 1 1 1 1
1 1 1 0 0
<List of Shift Relational Command >
10 bits to right
11 bits to right
12 bits to right
13 bits to right
14 bits to right
15 bits to right
Shift
1 bit to right
2 bits to right
3 bits to right
4 bits to right
5 bits to right
6 bits to right
7 bits to right
8 bits to right
9 bits to right
no shift
Set value of shift number
- 34 -
0 0 0 0 0
0 0 0 0 1
0 0 0 1 0
0 0 0 1 1
0 0 1 0 0
0 0 1 0 1
0 0 1 1 0
0 0 1 1 1
0 1 0 0 0
0 1 0 0 1
0 1 0 1 0
0 1 0 1 1
0 1 1 0 0
0 1 1 0 1
0 1 1 1 0
0 1 1 1 1
*BH0 : the DBUS data with no shift
*BHR1: the DBUS data shifted 1 bit to right
*BHR2: the DBUS data shifted 2 bits to right
*BHR3: the DBUS data shifted 3 bits to right
*BHR4: the DBUS data shifted 4 bits to right
*BHR6: the DBUS data shifted 6 bits to right
*BHR8 the DBUS data shifted 8 bits to right
*BHRF the DBUS data shifted 15 bits to right
*BHL1: the DBUS data shifted 1 bit to left
*BHL2: the DBUS data shifted 2 bits to left
*BHL3: the DBUS data shifted 3 bits to left
*BHL4: the DBUS data shifted 4 bits to left
*BHL6: the DBUS data shifted 6 bits to left
*BHL8: the DBUS data shifted 8 bits to left
*BHLF: the DBUS data shifted 15 bits to left
*#BDRF: the DBUS data shifted 15 bits to left
31, 45
16).
10 bits to right
11 bits to right
12 bits to right
13 bits to right
14 bits to right
15 bits to right
1 bit to right
2 bits to right
3 bits to right
4 bits to right
5 bits to right
6 bits to right
7 bits to right
8 bits to right
9 bits to right
Shift
no shift
[AK7712A-VT]
1997/12