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PDF ePH1610 Data sheet ( Hoja de datos )
| Número de pieza | ePH1610 | |
| Descripción | Handwriting Recognition Microcontroller | |
| Fabricantes | ELAN Microelectronics | |
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ePH1610
Handwriting
Recognition
Microcontroller
Product
Specification
DOC. VERSION 1.4
ELAN MICROELECTRONICS CORP.
April 2008
1 page  
ePH1610
Handwriting Recognition Microcontroller
1 Introduction
The ePH1610 IC is an 8-bit RISC microcontroller embedded with recognition core.
When connected to an external resistance type touch panel, the IC becomes suitable
for handwriting recognition application products, such as SMS, Stylus Remote
Controller, mobile phones, handwriting input device, etc. The ePH1610 has low power
consumption, low cost, and yet is capable of providing high performance rate of
recognition. These quality features are vital when there is shorter lead-time in
developing new handwriting recognition related products or pressure-sensitive screen
input devices.
2 Features
Product No. Package
ePH1610
CSP/
LQFP44/
QFN40
1.
2.
3.
4.
Input
Simplified Chinese
ASCII
Gesture
European character
Output Interface
Remarks
Unicode /
UART
GB2312
Can recognize up to 6,763
Simplified Chinese (GB2312)
characters, 83 European
characters and 66 Russian
characters.
(European characters includes
Danish & Norwegian, Dutch,
Finnish, French, German,
Italian, Portuguese, Spanish
and Swedish operating under
Windows 1252, Western
Europe Latin 1)
3 Block Diagram
義
義必又入火
Input Area
Candidates
義
Touchpad Driver
ePH series
Touch Panel-R Type
Handwriting
Recognition
Module
UART
Interface
TX
RX
9600 baud rate
LCD
Panel
Mobile
Phone
Figure 3 ePH1610 Block Diagram
Product Specification (V1.4) 04.25.2008
(This specification is subject to change without further notice)
•1
5 Page 
ePH1610
Handwriting Recognition Microcontroller
8 Electrical Characteristic
8.1 Absolute Maximum Ratings
Items
Supply Voltage
Input Voltage (General Input Port)
Operating Temperature Range
Storage Temperature Range
Symbol
VDD
VIN
TOPR
TSTR
Condition
–
–
–
–
Limits
–0.3 to +3.6
–0.5 to VDD +0.5
–20 to +80
–55 to +125
Unit
V
V
oC
oC
8.2 Recommended Operating Conditions
Items
Supply Voltage
Input Voltage
A/D Full-Scale Input Span
Operating Temperature
Symbol
VDD
VDDA
VIH
VIL
ADRG
TOPR
Condition
–
–
–
Positive input–
negative input
–
Limits
2.8 to 3.6
2.8 to 3.6
VDD x 0.9 to VDD
0 to VDD x 0.1
0 to VREX
–20 to +80
Unit
V
V
V
V
oC
8.3 DC Electrical Characteristics
Condition: Ta=25°C, VDD= 3.0 ± 0.3V
Parameter Symbol
Condition
Clock
Fmain Main-clock frequency
Fsub Sub-clock frequency Crystal OSC
Min Type Max Unit
– 9.83
– MHz
– 32.768 – kHz
Supply Current
Input Voltage
Idd2 Idle mode
Idd3 Fast mode
VIH1
VIL1
VDD=3V, Crystal OSC. – 5
VDD=3V, Fmain=9.83MHz,
without touch panel load
–
2000
Input pin
VDD×0.7
0
–
–
8
3000
VDD
VDD×0.3
μA
V
Input Threshold
Voltage (Schmitt)
Output Current
Input Leakage
Current
Touch Panel
Pull Down
Resistance
Data Retention
Voltage
Power-on Reset
Voltage
VT+
RESETB pin
VT–
IOH1
Output pin
IOL1
VDD=3V, VOH=2.4V
VDD=3V, VOL=0.2V
IIL
ALL Input port (without pull-up/down resistor)
Vin=VDD or GND
RPD3 DET=1, Xn pin
Vin=VDD, VDD=3V
Vret
Vpor
–
–
0.5×VDD – 0.75×VDD
V
0.2×VDD – 0.4×VDD
–1.1 –2.2
+1.1 +2.2
–3.3
mA
+3.3
– – ±1 μA
25 50 100 KΩ
1.6 –
–V
1.4 1.5 1.6 V
Product Specification (V1.4) 04.25.2008
(This specification is subject to change without further notice)
•7
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet ePH1610.PDF ] | |
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