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ASM3112C データシートの表示(PDF) - APLUS INTEGRATED CIRCUITS
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ASM3112C
VERY LOW-COST VOICE SYNTHESIZER WITH 4-BIT MICROPROCESSOR
APLUS INTEGRATED CIRCUITS
ASM3112C Datasheet PDF : 7 Pages
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ASM3112C/4112C
FIGURE 1.1 : Block Diagram of
ASM
3112C/
4112C
Data Bus[3:0]
PCLATCH(8)
ROM Latch
PCH(8)
(ADDR[16:12])
=0000b
DPR3,2,1
PCL(4)
PC[11:0]
ADDR[16:0]
DPR[16:0]
Stack(12)
(2-Level)
0
ROM_ADDR[16:0]
1
Program
(Data)
ROM
Instruction
Latch
Instruction Bus [9:0]
Instruction
Decoder
Control Signal
DLATCH(10)
ROM_Data[9:0]
COUT
Data Bus[3:0]
Instruction Bus [9:0]
Accumlator(4)
ALU(4)
Register(4)
Immediate(4)
SRAM
(96 x 4)
00h-1Fh
40h-7Fh
P1,P2,P3,P4
enter test mode
One-Channel
( Voice synthesizer )
Reset Chip
Reset Chip
COUT
Clock Generator
Test select
Power on Reset
RESET pin
Timer0(9)
PRA(4)
PRB(4)
PRC(4)
OSC
VDD/GND
weak or strong
pull-low for PRA,
PRB, PRC
PRASL(4)
2
Rev 1.0
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