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APEXX12 Datasheet(PDF) 2 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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APExx12 Series
Rev 1.3
2003/8/18
1
1.0 General Description
The
APExx12 series are very low cost voice and melody synthesizer with 4-bits CPU. They have various
features including 4-bits ALU, ROM, RAM, I/O ports, timers, clock generator, voice and melody
synthesizer, and PWM (Direct drive) or D/A current outputs, etc. The audio synthesizer contains one
voice-channel and two melody-channels. Furthermore, they consist of 27 instructions in these devices.
With CMOS technology and halt function can minimize power dissipation. Their architectures are similar
to RISC, with two stages of instruction pipeline. They allow all instructions to be executed in a single
cycle, except for program branches and data table read instructions (which need two instruction cycles).
2.0 Features
(1) Single power supply can operate from 2.4V to 5.5V at 4MHz or 8MHz.
(2) Program ROM: 16k x 10 bits
(3) 1 set of 16-bits DPR can access up to 64k x 10 bits melody data memory space, and 1 set of 18-bits
VPR can access up to 256k x 10 bits voice data memory space.
Product
Voice Duration (sec) Voice Pointer (VPR)
ROM Size (10-bit)
APE0612
6
14-bits
20k
APE1012
10
15-bits
32k
APE1512
15
16-bits
48k
APE2012
20
16-bits
64k
APE3112
31
17-bits
96k
APE4112
41
17-bits
128k
APE5212
52
18-bits
160k
APE6312
63
18-bits
192k
APE7312
73
18-bits
224k
APE8412
84
18-bits
256k
(4) Data Registers:
a). 128 x 4-bit data RAM (00-7Fh)
b). Unbanked special function registers (SFR) range: 00h-2Fh
(5) I/O Ports:
a). PRA: 4-bits I/O Port A (10h) can be programmed to input/output individually. (Register control)
b). PRB: 4-bits I/O Port B (13h) can be configured to input/output individually. (Mask option)
c). PRD: 4-bits I/O Port D (15h) can be programmed to input/output individually. (Register control)
(6) On-chip clock generator: Resistive Clock Drive (RM)
(7) Timer: 1-set Voice Interrupt (Timer0: a 9-bits auto-reload timer/counter).
(8) Stack: 2-level subroutine nesting.
(9) Built-in 4 Level Volume Control can be programmed.




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