RA8917
Version 1.0
8-Bit Micro-Controller
Application
The following Block diagram is the basic application circuit of RA8917. We also give three examples on the user
manual of RICE-2000 to let users have more understanding of RA8917 and the develop environment of
RICE-2000, and then start to proceed program designing and product developing. The examples have one simple
I/O control and two speech samples. Please refer to the user manual of RICE-2000 if you needed.
Application Field
Simple I/O
General Propose Controller
Controller
Speech Controller Internet Download (Speech/Voice Toy, Sound Book, Voice-Prompted Controller...)
Low-Grade
Product
LCD Game, Calculator, Calendar,
Internet Download (educational toy or household appliance…)
High-Grade
Product
SMS Controller, Low-end PDA Controller and Internet Download Device Function
D[3:0]
PT3_[7:4]
A[11:0]
External
EDO RAM
PT1_[7:0]
Display/LED
A[13:0],BK[11:0]
D[7:0]
External
Flash
FL_CE#
FL_WE#
FL_OE#
PT2_[7:0]
Options
External
ROM/RAM
PT2_[2:0]
PT3_[1:0]
Button/Key Matrix
LED
PT3_[7:0]
PT4_[7:0]
LCD
Controller
LCD
Panel
TXD
To PC
RS232
RXD
LCM
PT2_[7:6]
PT3_[3:2]
OSC1_XA
PWM O/P
RS232
32768Hz
OSC1_XB
OSC2_XA
AIN3
AIN2
AIN1
AIN0
xxMHz
VCC
Analog input
OSC2_XB
SPK.
SW[3:1]
COM
Analog Switch
IOUT
RA8917
11/11
RAiO TECHNOLOGY INC.
www.raio.com.tw
RAIO [ RAIO TECHNOLOGY INC. ]
