asm25512c Aplus Integrated circuits Inc., asm25512c Datasheet
asm25512c
Related parts for asm25512c
asm25512c Summary of contents
Page 1
... ASM25512C DATA SHEET A PLUS INTEGRATED CIRCUITS INC. Address: 3 F-10, No. 32, Sec. 1, Chenggung Rd., Taipei, Taiwan 115, R.O.C. (115)台北市南港區成功路㆒段 32 號 3 樓之 10. TEL: 886-2-2782-9266 FAX: 886-2-2782-9255 WEBSITE : http: //www.aplusinc.com.tw A PLUS MAKE YOUR PRODUCTION A-PLUS Sales E-mail: Mr ...
Page 2
... VERY LOW-COST VOICE SYNTHESIZER WITH 4-BIT MICROPROCESSOR 1.0 General Description The ASM25512C 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 ...
Page 3
... FIGURE 1.1 : Block Diagram of ASM25512C Data Bus[3:0] PCLATCH(8) PCH(8) PCL(4) PC[11:0] (ADDR[19:12]) =00000000b ADDR[19:0] DPR3,2,1 DPR[19:0] DLATCH(10) ROM_Data[9:0] Data Bus[3:0] Accumlator(4) Immediate(4) ALU(4) Register(4) P1,P2,P3,P4 enter test mode Reset Chip One-Channel ( Voice synthesizer ) Reset Chip COUT COUT Stack(12) (2-Level) ROM_ADDR[19:0] 0 Instruction Bus [9:0] 1 Program (Data) ...
Page 4
... FIGURE 1.2 : External ROM Map of ASM25512C PC[11:0] 12bit x 2 STACK 20-bit Data Pointer Reserved for Testing 00000h-BFFFFh Reset Vector 00000h 00080h 00080h-003FFh 00400h 00000h-00FFFh 00FFFh(4K) BFFFFh(768Kx10-bits) 3 ASM25512C Rev 1.1 2002/10/29 ...
Page 5
... Pin-Out ASM25512C Pin-Out VDD3 STI PRC1 Std./O.D. PRC0/RESET I STI Std./O.D. PRA3-1 I/O STI Std./O.D. PRA0/RESET I/O STI Std./O.D. OSC I - VDD1 I - COUT O - GND1 GND2 TEST O - VDD2 I - PRB0-3 O Std./O.D. Output type with standard or Open-Drain output PRC2-3 I STI Std./O.D. GND3 I - 1.3 Application circuit Third Power supply during operation ...
Page 6
... Bonding Diagram Y= 4470 + 80 (um Substrate must be connected to GND. ASM25512C Pad Location PAD # PAD Name 1 VDD3 2 PRC1 3 PRC0 4 PRA3 PRA2 5 6 PRA1 7 PRA0/RESET 8 OSC 9 VDD1 COUT 10 (192K x 10 bit) x 4-Block ROM ASM25512C CHIP SIZE: X= 3090 + 80 (um), Y= 4470 + 80 (um) ...
Page 7
... DC Characteristics for ASM25512C SYMBOL PARAMETER VDD OPERATING VOLTAGE Isb STANDBY SUPPLY CURRENT Iop OPERATING INPUT CURRENT Iih /Internal pull low Ioh OUTPUT HIGH CURRENT Iol OUTPUT LOW CURRENT DA CURRENT OUT Cout (FULL SCALE) FREQUENCY dF/F STABILITY dF/F Fosc VARIATION FIGURE 1.3 : Frequency Range for Rosc in RM mode Resistor(k ohm) 3v Freq ...