MITSUBISHI SOUND PROCESSOR ICS
M65831AP/FP
DIGITAL ECHO (DIGITAL DELAY)
BLOCK DIAGRAM
OP2
IN
OP2 LPF2
OUT IN
OP1
IN
LPF2
OUT
OP1
OUT
LPF1
OUT
LPF1
IN
CC2
CC1
21
20
18
17
16
15 14
13
23
22
4.7k
4.7k
MOD
DEM
OP2
OP1
LPF2
LPF1
COMP
19
REF
1/2 Vcc
D1
DO0
DO1
MO
MI
48K-bit
SRAM
RESET
CLOCK
MAIN CONTROL
DELC
AUTO
RESET
DELAY TIME
CONTROL
OSCILLATOR
9
2
7 8
10
11
12
1
24
3
4
6
5
SLEEP
XIN
D-GND A-GND
VDD
XOUT
TEST
Vcc
D1/REQ D3/DATA
D2/SCK D4/IDSW
EASY/µ -COM
Unit Resistance:W
MITSUBISHI
ELECTRIC
3