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Teilenummer | EPD3332 |
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Beschreibung | Microcontroller | |
Hersteller | ELAN Microelectronics | |
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Gesamt 30 Seiten EPD3332
RISC II Series
Microcontroller
Product
Specification
DOC. VERSION 2.4
ELAN MICROELECTRONICS CORP.
November 2005
Contents
vi • Product Specification (V2.4) 11.03.2005
6 Page EPD3332
RISC II Series Microcontroller
5 Pin Description
Name
I/O/P Type
Description
VDD
VSS
AVDD
AVSS
RSTB
TEST
OSCI/RC
OSCO
PLLC
VREX
Vx
Vout
VR
V0~V4
C1+, C1-,
C2+, C2-
COM0~COM31/
SEG80~SEG111
SEG0~SEG47
CL
FR
Port A
Port B
(7~5, 2~0)
Port C (7~2)
Port D (7~4)
Port G
Port H
P
P
I
I
I
O
I
I/O
-
-
-
O
-
O
O
I/O
I/O
I
I/O
I
O
I
O
O
O
I/O
O
O
I
I
I
I
I/O
I
O
I/O
I
I/O
O
I/O
O
Digital power supply, the range is from 2.2V to 3.6V. Connect to VSS
through the capacitors (0.1µF)
Analog power supply, the range is from 2.2V to 3.6V. Connect to VSS
through the capacitors (0.1µF)
System reset input with built-in pull-up resistor (100KΩ Typical)
Low: RESET asserted
High: RESET released
Normally connect to VSS, reserved for testing
RC or Crystal selection by Code Option
32768 Hz oscillator pins. Connect to VSS through the capacitors (20pF)
RC oscillator connector pin. Connect to VDD through a resistor (2MΩ)
PLL capacitor connector pin. Connect to VSS through the capacitors
(0.047µF)
External or internal reference voltage for A/D converter. Connect to VSS
through the capacitors (0.1µF)
Clamping circuit output voltage. Ext. C (0.1µF) to VSS
Charge pump output voltage. Ext. C (0.22µF) to VSS
V0 voltage adjusting pin
LCD bias pin. Ext. C (0.1µF) to VSS
Charge pump capacitor (0.1µF)
LCD common/segment signal output pin
Multiplexed: Common and segment pin
LCD segment signal output pin
(SEG0~SEG15 are shared with key strobe)
Display clock input/output pin
LCD frame signal input/output pin
General Input port for special functions, i.e., Wake-up and Interrupt
Bit 7: ON key input
Bit 6~0: Key matrix input pins
General Input/Output port
Bit 7: UART Rx pin
Bit 6: UART Tx pin
Bit 5: Event counter/Capture input pin
Bit 2: IR output pin
Bit 1: PWM or Current D/A output pin
Bit 0: PWM output pin
General Input/Output port
Bit 7: Touch screen X direction negative pin
Bit 6: Touch screen Y direction negative pin
Bit 5: Touch screen X direction positive pin & A/D input Channel 3
Bit 4: Touch screen Y direction positive pin & A/D input Channel 4
Bit 3: A/D input Channel 5
Bit 2: A/D input Channel 6
General Input/Output port
Bit 7: Serial data input pin
Bit 6: Serial data output pin
Bit 5: Serial clock input/output pin
Bit 4: /Slave Select pin
General Input/Output port
SEG 55~48: LCD segment signal output pins
General Input/Output port
SEG 63~56: LCD segment signal output pins
6 • Product Specification (V2.4) 11.03.2005
(This specification is subject to change without further notice)
12 Page | ||
Seiten | Gesamt 30 Seiten | |
PDF Download | [ EPD3332 Schematic.PDF ] |
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