Specifications

PF1187-02

Pen writing recognition middleware

● Handwritten character recognition middleware for the S1C33 Family

● Handwritten character recognition level 1 supports a "printed style of

writing"

● Handwritten character recognition level 2 supports a "simplified form

of writing"

■ FEATURES

•Handwritten character recognition middleware for the S1C33 Family is provided in the form of a linkable

library.

• Useful for handwritten character recognition in both Japanese and English.

• Handwritten character recognition level 1 supports the "printed style of writing", allowing for fast and memory-

efficient character recognition.

• Handwritten character recognition level 2 supports the "simplified form of writing", providing a higher recogni-

tion rate than in level 1.

• Suitable for PDAs, personal organizers and digital stationeries.

■ HARDWARE CONFIGURATION

S1C33xxx

S1C33000

Core CPU

Built-in RAM 16-bit timer

External RAM External ROM

Bus interface

A/D converter

2 channels

Input port

Touch panel

■ REQUIRED RESOURCES

• For the DMT33003 board made by EHK, this middleware uses one interrupt input port, two channels of A/D

converters, and one channel of 16-bit timer.

∗ The two channels of A/D converters are used to acquire the x and y coordinates of the character written on the touch-

panel. The 16-bit timer is used to set an interval time at which to acquire the coordinates.

•Memory requirements

RAM .................................................................................................................... approx. 140KB

ROM Library (program) ................................................................................... approx. 70KB

Dictionary data for Level 1 recognition (English and Japanese)............ approx. 200KB

Dictionary data for Level 2 recognition (English) ................................... approx. 240KB

Dictionary data for Level 2 recognition (Japanese) ............................... approx. 1500KB

S1C33 Family S5U1C330P1S Middleware