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ASM4112CB

Apuls Intergrated Circuits
Part Number ASM4112CB
Manufacturer Apuls Intergrated Circuits
Description VERY LOW-COST VOICE SYNTHESIZER WITH 4-BIT MICROPROCESSOR
Published Mar 24, 2005
Detailed Description A PLUS MAKE YOUR PRODUCTION A-PLUS ASM4112CB DATA SHEET APLUS INTEGRATED CIRCUITS INC. Sales E-mail: Mr. Jason sales...
Datasheet PDF File ASM4112CB PDF File

ASM4112CB
ASM4112CB

Overview
A PLUS MAKE YOUR PRODUCTION A-PLUS ASM4112CB DATA SHEET APLUS INTEGRATED CIRCUITS INC.
Sales E-mail: Mr.
Jason sales@aplusinc.
com.
tw Technology E-mail: Mr.
George service@aplusinc.
com.
tw Address: 3 F-10, No.
32, Sec.
1, Chenggung Rd.
, Taipei, Taiwan 115, R.
O.
C.
(115)㆒ 32 3 10.
TEL: 886-2-2782-9266 FAX: 886-2-2782-9255 WEBSITE : http: //www.
aplusinc.
com.
tw ASM4112CB ASM4112CB – VERY LOW-COST VOICE SYNTHESIZER WITH 4-BIT MICROPROCESSOR 1.
0 General Description The ASM4112CB is very low cost voice synthesizer with 4-bit microprocessor.
It has various features including 4-bit ALU, ROM, RAM, I/O ports, timers, clock generator, watchdog timer(WDT), voice synthesizer, etc.
It consists of 22 instructions in the device.
With CMOS technology and halt function can minimize power dissipation.
Its architecture is similar to RISC, with two stages of instruction pipeline.
It allows all instructions to be executed in a single cycle, except for program branches and data table read instructions (which need two instruction cycles).
1.
1 Feature Single power supply can operate from 2.
4V through 5V Internal Program ROM: 4K x 10-bit 1 sets of 17-bit DPR can access up to 128K x 10 bits data memory space Data Registers: • 96 x 4-bit data RAM (00-1Fh plus 40h-7Fh) • Unbanked special function registers (SFR) range: 20h-3Fh I/O Ports: • PRA: 4-bit I/O Port A (2Bh) • PRB: 4-bit Output Port B (2Dh) • PRC: 4-bit Input Port C (2Fh) On-chip clock generator: Resistive Clock Drive(RM) Timer: 1 • Timer0: a 9-bit auto-reload timer/counter Stack: 2-level subroutine nesting HALT and Release from HALT function to reduce power consumption Watch Dog Timer (WDT) Instruction: 1-cycle instruction except for table read and program branches which are 2-cycles Number of instruction: 22 The Voice function can be implemented by microprocessor instruction • One 8-bit COUT output for ASMXXXXX ASM4112CB FIGURE 1.
1 : Block Diagram of ASM4112CB Data Bus[3:0] ROM Latch PCL(4) PC[11:0] (ADDR[16:12]) =0000b ADDR[1...


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