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APEXX12 Datasheet(PDF) 3 Page - Aplus Intergrated Circuits

Part No. APEXX12
Description  very low cost voice and melody synthesizer with 4-bits CPU
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Maker  APLUS [Aplus Intergrated Circuits]
Homepage  http://www.aplusinc.com.tw
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 3 page
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APExx12 Series
Rev 1.3
2003/8/18
2
(10) Built-in 8 Level DAC current output can be configured. (Mask option)
(11) Built-in IR Carry Output: Port B[1] can be configured as IR pin by 38k / 56kHz. (Mask option)
(12) External Reset: Port B[3] can be configured as reset pin. (Mask opton)
(13) HALT and Release from HALT function to reduce power consumption
(14) Watch Dog Timer (WDT)
(15) Instruction: 1-cycle instruction except for table read and program branches which are 2-cycles
(16) Number of instruction: 27
(17) DAC: 1 channel voice and dual tone melody synthesizer (One 9-bits Cout or 8-bits PWM output).
FIGURE 1 : ROM Map of
APExx12 Series
14-bit x 2 STACK
Reset Vector
00000h-03FFFh
16-bit Data Pointer
PC[13:0]
Reserved for Testing
000FFh-00400h
00401h
00000h
000FEh
Program ROM
00000h-0FFFFh
Data ROM for Melody
18-bit Voice Pointer
00000h-5FFFFh
Voice ROM for Voice




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