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PDF ePS7200 Data sheet ( Hoja de datos )
| Número de pieza | ePS7200 | |
| Descripción | RISC II Series Microcontroller | |
| Fabricantes | ELAN Microelectronics | |
| Logotipo |  |
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ePS7200
RISC II Series
Microcontroller
Product
Specification
DOC. VERSION 1.0
ELAN MICROELECTRONICS CORP.
December 2014
1 page  
Contents
8.5 Input/Output Key .............................................................................................. 46
8.5.1 Key Functions....................................................................................................48
8.5.2 Key Strobe.........................................................................................................48
8.5.2.1 Waiting Key in mode ..........................................................................48
8.5.2.2 Software Key Scan.............................................................................48
8.5.3 Input/Output Key Registers ...............................................................................49
8.6 LCD Driver........................................................................................................ 52
8.6.1 LCD Driver Registers ........................................................................................53
8.6.2 LCD RAM Map ..................................................................................................56
8.6.3 LCD Driving Method Circuit...............................................................................56
8.6.4 LCD COM Waveforms.......................................................................................57
8.6.5 LCD COM and SEG Waveforms .......................................................................58
9 Electrical Characteristics ....................................................................................... 59
10 Application Circuits ................................................................................................ 61
11 Instruction Set ......................................................................................................... 62
12 Pad Diagram and Pad Locations ........................................................................... 65
12.1 Pad Coordinates............................................................................................. 66
Product Specification (V1.0) 12.12.2014
•v
5 Page 
ePS7200
RISC II Series Microcontroller
5 Pin Description
5.1 MCU System Pins (4 Pins)
Name
VDD
VSS
RSTB
TEST
I/O/P
Type
P
P
I
I
Description
Note
The positive power supply, ranging from
1.15V~2.2V. Connect 0.1 µF to Vss.
-
Digital and Analog negative power supply.
-
System reset pin. Low active, Connect 0.1 µF to
VSS.
Int. Pull-up
Test mode select pin (High active).
For chip internal test only, Normally connect to VSS.
Int. Pull Down
5.2 Embedded LCD Pins (74 Pins)
Name
COM0~COM7
COM8~COM9 /
Port C.0~1
SEG0~SEG15
SEG16~ SEG49
SEG50~SEG57 /
Port B.0~7
C1A, C1B
V3, V2, V1
Vreg
I/O/P
Type
Description
O LCD common signal output pin
LCD common signal output pin or I/O pin; defined by
I/O code option
LCD segment signal output pin shared with Key
O Strobe 0~15
O LCD segment signal output pin
I/O
LCD segment signal output pin or I/O pin; defined by
code option
LCD voltage charge-pump pin. Connect 0.1µF or
1µF between C1A and C1B.
O LCD bias Pins. Connect 0.1µF or 1µF to Vss
P LCD charge-pump power supply Connect
1~10 µF to Vss.
Note
-
-
-
-
-
-
-
-
5.3 I/O Port (14 Pins)
Port
Bit
Function
I/O
Type
Bits 6~0
Port A
Bit 7
General Input
Interrupt and
wake up
General Output
General Input
Interrupt and
wake up
General Output
I
I
O
I
I
O
Port D
General Input
Bits 5~0
General Output
I
O
Power
Source
Description
VDD
VDD
VDD
Key input
Input port interrupt
and wake-up pin
VDD
VDD
VDD
Input port interrupt
and wake-up pin
VDD
VDD
Note
Int. Pull-up
(R1: small resistor,
R2: Controllable
Large resistor)
Int. Pull up (R1:
small resister set
by code option, R2:
Controllable Large
resister)
Product Specification (V1.0) 12.12.2014
(This specification is subject to change without prior notice)
•5
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet ePS7200.PDF ] | |
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