VERY LOW-COST VOICE SYNTHESIZER WITH 4-BIT MICROPROCESSOR
A
PLUS MAKE YOUR PRODUCT A-PLUS
ASM1506C DATA SHEET
APLUS
INTEGRATED CIRCUITS INC.
Sales E-mail: sales@aplusinc.com....
Description
A
PLUS MAKE YOUR PRODUCT A-PLUS
ASM1506C DATA SHEET
APLUS
INTEGRATED CIRCUITS INC.
Sales E-mail: sales@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
Technology E-mail: service@aplusinc.com.tw
ASM1506C
ASM1506C – VERY LOW-COST VOICE SYNTHESIZER WITH 4-BIT MICROPROCESSOR
1.0 General Description The ASM1506C 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 48K x 10 bits data memory space Data Registers: 64 x 4-bit data RAM (00-1Fh plus 40h-5Fh) Unbanked special function registers (SFR) range: 20h-3Fh I/O Ports: PRA: 4-bit I/O Port A (2Bh) PRB: 2-bit Output Port B (2Dh) On-chip clock generator: Resistive Clock Drive(RM) Timer: 1 Timer0: a 9-bit auto-reload timer/counter Stack: 2-level subroutin...
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