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ASM2012C Scheda tecnica(PDF) 3 Page - Aplus Intergrated Circuits

Il numero della parte ASM2012C
Spiegazioni elettronici  VERY LOW-COST VOICE SYNTHESIZER WITH 4-BIT MICROPROCESSOR
PDF  7 Pages
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Produttore elettronici  APLUS [Aplus Intergrated Circuits]
Homepage  http://www.aplusinc.com.tw
Logo APLUS - Aplus Intergrated Circuits

ASM2012C Scheda tecnica(HTML) 3 Page - Aplus Intergrated Circuits

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Rev 1.0
2
FIGURE 1.1 : Block Diagram of ASM2012C
COUT
OSC
VDD/GND
ROM
1
PC[11:0]
ROM Latch
Instruction
Latch
Instruction
Decoder
0
PCH(8)
PCL(4)
PCLATCH(8)
DPR3,2,1
Program
DLATCH(10)
Clock Generator
Power on Reset
Test select
P1,P2,P3,P4
enter test mode
Timer0(9)
Reset Chip
Stack(12)
Data Bus[3:0]
Instruction Bus [9:0]
ROM_ADDR[15:0]
ROM_Data[9:0]
Data Bus[3:0]
Control Signal
ADDR[15:0]
=0000b
(ADDR[15:12])
PRASL(4)
weak or strong
pull-low for PRA,
(Data)
Instruction Bus [9:0]
( Voice synthesizer )
One-Channel
SRAM
(96 x 4)
40h-7Fh
(2-Level)
ALU(4)
Register(4)
Accumlator(4)
Immediate(4)
DPR[15:0]
RESET pin
Reset Chip
00h-1Fh
PRA(4)
PRB(4)
PRC(4)
PRB, PRC
COUT
ASM2012C



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