YSS915 Datasheet, PDF (15/32 Pages) YAMAHA CORPORATION – Karaoke Processor 2 for Video disc player

YSS915
REGISTERS
This LSI is controlled by setting data into the registers.
The address, name and function of each register is outlined as follows.
Address
Name
Function
$00
OPR
$01
KSR
$02
VCR
$03
TMR
$04
DAR
$05
TCR
$06
RVR
$07
KER
$08
PHC
$10
MLR
$1C
MDR
$20
C00
$3F
C1F
Controls internal operations.
Controls key and surround.
Controls input fader and voice cancel.
Controls fade time for input fader and voice cancel.
Controls digital audio I/O format.
Controls tone (bass, treble).
Controls tone (mid-range) and Reverb-echo.
Controls key for microphone.
Port output register.
Reads microphone level.
Switching KP2 standard/KP2V extension mode, and others.
Coefficient register (controls volume and delay.)
Controllable and uncontrollable registers (bits) vary according to the following modes.
The mode is specified as follows according to the status of bit 7 of MDR register($1C).
Code
N
E
Mode
KP2 standard mode
KP2V extended mode
MDR($1C)[bit 6]
0
1
15