Datasheet > RA8906

RA8906

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
瑞佑 - RAIO		微控制器
页数	文件大小	规格书
7页	114K
描述
8-Bit Micro-Controller

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数据手册

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RA8906 数据手册

RA8906

Version 2.1

8-Bit Micro-Controller

OUT

D[7:0]

Data Bus. These pins are used for external system ROM data. Normally, users

will not use these pins.

ROM_CE#

ROM_OE#

TEST_[2:0]

ROM Chip Enable. These pins are used for external system ROM chip enable.

Normally, users will not use these pins.

ROM Output Enable. These pins are used for external system ROM output

enable. Normally, users will not use these pins.

Test Pins. These are for RAiO’s internal testing purpose used in testing IC and

ROM status. Normally, users will not use these pins.

PWR

VDD, AVDD

GND, AGND

Power Supply Voltage and Analog Power Supply Voltage.

Ground and Analog Ground.

Development

The RA8906 support the ISP(In-System Programming) and ISD(In-System Debugging) functions for customer to

develop their system. Users can download their programs as well as data from a PC host to the embedded

Flash ROM of RA8906.

-ISP/ISD Mode is entered when the MONITOR# pin having been pulled down to ground voltage level. The on-

chip Monitor program together with RAiO’s ICE(RICE) Utility Program running on a PC will be executed to

support ICE debugging and ISP download of user programs from the PC Host.

R A iO IC E

IS P

D ev elo p m en t

S peech Toy

D ev elo p P ro g ra m fro m IS P M o d e

(C u sto m ers)

-User Mode is entered when the MONITOR# pin has been pulled up to logic high voltage level. User application

programs can be executed only in this mode. The end-user can download the application program or data from

the customer’s website through the PC interface. Because the program/data was stored in the flash so the

application device of customer(such as speech toy) will operate independent that after disconnect with the PC.

In te rn e t

w w w .

to y s .c o m

S p e e c h T o y

D o w n lo a d f r o m I n te r n e t

(E n d -U s e r s )

P o r ta b le S p e e c h T o y

5/7

RAiO TECHNOLOGY INC.

www.raio.com.tw

1 2 3 456 7

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