SM5901AF
ATT, MUTE settings 83
=
83hex 1000 0011
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
ATT
Function
H operation
Attenuator ON
Mute ON
Reset level
Attenuator enable
L
L
L
MUTE
SOFT
Forced muting (changes instantaneously)
Soft muting (changes smoothly when ON only)
Soft mute
CMP12
12-bit comparison connect/ 16-bit comparison connect
12-bit comparison
L
Refer to Attenuation, Soft mute, Force mute.
Attenuation level settings 84
=
84hex 1000 0100
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
K7
Function
MSB 2-1
2-2
H operation Reset level
L
K6
H
K5
2-3
2-4
2-5
2-6
L
K4
L
K3
L
K2
L
K1
2-7
L
K0
LSB 2-8
L
Refer to Attenuation, Soft mute, Force mute
Option settings 85
=
85hex 1000 0101
Bit
D7
D6
D5
Name
Function
H operation Reset level
RAMX2
YFLGS
External DRAM select (used / no used)
FLAG6 set conditions (reset using status read command 90H)
- When YFLGS=0, YFCKP=0, YFCLK input falling edge, YFLAG=L
- When YFLGS=0, YFCKP=1, YFCLK input rising edge, YFLAG=L
- When YFLGS=1, YFCKP=0, YFLAG=L
- When YFLGS=1, YFCKP=1, YFLAG=H
Full-bit non compression mode
used
L
L
D4
YFCKP
L
D3 COMPFB
D2 COMP6B
D1 COMP5B
D0 COMP4B
L
H
L
L
6-bit compression mode
5-bit compression mode
4-bit compression mode
When the number of compression bits is set incorrectly (2 or more bits in D0 to D3 are set to 1 or all bits are set to 0),
6-bit compression mode is selected.
NPC [ NIPPON PRECISION CIRCUITS INC ]
