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E0C624A Schematic ( Datenblatt PDF ) - Epson

Teilenummer E0C624A
Beschreibung 4-bit Single Chip Microcomputer
Hersteller Epson
Logo Epson Logo 

Gesamt 7 Seiten
		
E0C624A Datasheet, Funktion
WOPidpreeordVauoticlottansge
PF647-05
E0C624A
4-bit Single Chip Microcomputer
q Core CPU Architecture
q Dot Matrix LCD Driver
q Programmable SVD Circuit/Sound Generator
s DESCRIPTION
The E0C624A is an advanced single-chip CMOS 4-bit microcomputer consisting of the E0C6200 4-bit core
CPU. The chip contains the ROM, RAM, dot matrix LCD driver, programmable SVD circuit, time base counter
and clock synchronous serial port.
Interfacing with the external memory, the E0C624A can be applied to any system requiring large memory such
as schedule reminder, and dot matrix display function.
s FEATURES
q CMOS LSI 4-bit parallel processing
q Clock ..................................................... 32.768kHz/2MHz (Max.) (selectable by software)
q Instruction set ........................................ 108 instructions
q Instruction cycle time ............................ 153µsec, 214µsec or 366µsec at 32kHz
(depending on instruction)
5µsec, 7µsec or 12µsec at 1MHz
(depending on instruction)
q ROM capacity ....................................... 6,144 × 12 bits
q RAM capacity ........................................ 640 × 4 bits
q External memory capacity .................... Read/Write 512K bits (Max.)
Read only 1M bits (Max.)
q Input port ............................................... 8 bits (pull-up resistors are available by mask option)
q Output port ............................................ 20 bits (clock output or buzzer output is available by mask option)
q I/O port .................................................. 16 bits (pull-up resistors are available by mask option)
q Serial I/O port ........................................ 1 port (clock sync.)
q Dot matrix LCD driver ........................... 40 segments × 8 commons/40 segments × 16 commons
(1/8 or 1/16 duty is selectable by mask option)
q Built-in SVD circuit ................................ 2.3V/2.6V/3.3V/4.5V programmable
q Built-in stopwatch timer
q Built-in watchdog timer
q Built-in time base counter ..................... 3 lines
q Interrupts ............................................... External : Input interrupt
2 lines
Internal : Timer interrupt
3 lines
Serial I/O interrupt 1 line
q Built-in sound generator ........................ With digital envelope (8 sounds programmable)
q Supply voltage ...................................... 2.2V to 5.5V
q Current consumption ............................ HALT mode (32kHz)
: 2.5µA (Typ.)
OPERATING mode (1MHz) : 400µA (Typ.)
q Package ................................................ QFP5-128pin (plastic)
Die form
SEIKO EPSON CORPORATION
1 http://www.Datasheet4U.com






E0C624A Datasheet, Funktion
E0C624A
q Oscillation Characteristics
The oscillation characteristics change depending on the conditions (components used, board pattern, etc.). Use the follow-
ing characteristics as reference values.
OSC1 crystal oscillation circuit
(Unless otherwise specified: VDD=0V, VSS=-3.0V, Crystal: C-002R (CI=35k), CGX=25pF, CDX=built-in, RfX=10M, VSC="0", Ta=25°C)
Characteristic
Symbol
Condition
Min.
Typ.
Max.
Unit
Oscillation start time
tsta VSS=-2.2 to -5.5V
5 Sec
Built-in capacitance (drain)
CD Package as assembled
22 pF
Bare chip
21 pF
Frequency/voltage deviation
f/V VSS=-2.2 to -5.5V
5 ppm
Frequency/IC deviation
f/IC
-10 10 ppm
Frequency adjustment range
f/CG CG=5 to 25pF
35 45
ppm
Harmonic oscillation start voltage Vhho CG=5pF
-5.5 V
Permitted leak resistance
Rleak Between OSC1 and VDD, VS1
200
M
OSC3 CR oscillation circuit (1)
Characteristic
Oscillation start time
Frequency/voltage deviation
Oscillation frequency
Symbol
tsta VSS=-2.2 to -5.5V
f/V VSS=-2.2 to -5.5V
fCR ROSC=40k
(Unless otherwise specified: VDD=0V, VSS=-3.0V, VSC="1", Ta=25°C)
Condition
Min.
Typ.
Max.
Unit
3 mS
-5 5 %
860×70% 860 860×130% kHz
OSC3 CR oscillation circuit (2)
Characteristic
Oscillation start time
Frequency/voltage deviation
Oscillation frequency
Symbol
tsta VSS=-3.5 to -5.5V
f/V VSS=-3.5 to -5.5V
fCR ROSC=20k
(Unless otherwise specified: VDD=0V, VSS=-5.0V, VSC="2", Ta=25°C)
Condition
Min.
Typ.
Max.
Unit
3 mS
-5 5 %
1.7×70% 1.7 1.7×130% MHz
OSC3 ceramic oscillation circuit (1)
(Unless otherwise specified: VDD=0V, VSS=-3.0V, VSC="1", Ceramic: CSB 1000J (Murata Mfg. Co.), CGC=CDC=100pF, RfC=1M, Ta=25°C)
Characteristic
Oscillation start time
Symbol
Condition
tsta VSS=-2.2 to -5.5V
Min.
Typ.
Max.
Unit
3 mS
Frequency/voltage deviation
f/V VSS=-2.2 to -5.5V
-3 3 %
OSC3 ceramic oscillation circuit (2)
(Unless otherwise specified: VDD=0V, VSS=-5.0V, VSC="2", Ceramic: CSA 2.00MG (Murata Mfg. Co.), CGC=CDC=100pF, RfC=1M, Ta=25°C)
Characteristic
Symbol
Condition
Min.
Typ.
Max.
Unit
Oscillation start time
tsta VSS=-3.5 to -5.5V
3 mS
Frequency/voltage deviation
f/V VSS=-3.5 to -5.5V
-3 3 %
6

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