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Número de pieza | SC3610D | |
Descripción | FM/AM TUNER FREQUENCY & CLOCK DISPLAY DRIVER | |
Fabricantes | Silan Semiconductors | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de SC3610D (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
No Preview Available ! SC3610
FM/AM TUNER FREQUENCY & CLOCK DISPLAY DRIVER
DESCRIPTION
The SC3610 is a frequency and clock display driver used for
displaying FM/AM radio frequency or a 12 hour alarm clock. By using
CMOS technology, it consumes very low power in clock display mode.
FEATURES
* FM input with pre-scalar for radio frequency up to 150 MHz
* AM input for radio frequency up to 30 MHz
* 3 common, 13 segment, 1/3 bias LCD display drivers which
supports 4 digits LCD display
* On chip oscillator for external 32.768kHz crystal
* 10.7 MHz / 70 kHz I.F. frequency offset for FM signal and 455kHz
I.F. frequency offset for AM signal
* Internal real time clock in 12 hour display mode
* Selectable clock or frequency display
* 1.8V to 3.3V supply voltage
QFP44-10 x10-0.8
ORDERING INFORMATIOM
BLOCK DIAGRAM
FMIN
AMI
N
AM/FM_SEL
IF70K
RANGE
AMP
AMP
PRESCALER
DIV. BY 10
TIMMING CTL
M
U
X
LCD DRIVER
IF
FREQ
OFFSET
COUNTER
CLOCK
VLCD
CLKFREQ-SEL
RST
AL-SIG
AL-OUT
ABSOLUTE MAXIMUM RATING
Characteristics
Supply Voltage
Input or Output Voltage
Storage Temperature
ESD Protection
Symbol
VDD
VIN, VOUT
TSTG
Value
0.5 ~ 7.0
-0.5 ~ VDD+0.5
-40 ~ +125
-2 ~ + 2
Unit
V
V
°C
kV
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.4 2007.04.29
Page 1 of 13
1 page SC3610
LCD Display Range:
Mode
Range
Display range (on LCD)
Step
FM
H
11.00 MHz to 99.99 MHz
10kHz
L
11.00 MHz to 149.9 kHz
100kHz
AM
H 500 kHz to 9999 kHz
1kHz
L 0.5 MHz to 29.99 MHz 10kHz
Note: 1 When counter frequency overflow, MSB will not be displayed.
Resolution
1kHz
10kHz
100kHz
1kHz
IF Offset for different application:
IF70K
AMFM-SEL
IF OFFSET
0 0 +10.7MHz
0 1 +455kHz
1 0 -70 kHz*
1 1 +455 kHz
* Suitable to use with Silan SC1088.
OPERATION
Display FM input frequency 10.7MHz
Display AM input frequency 455kHz
Display FM input frequency +70kHz
Display AM input frequency 455kHz
2. CLOCK FUNCTION:
1) The clock will be advanced in the following flow:
PM 12:00 → PM 11:59 → AM 12:00 → 11:59
2) The [:] sign is the second indicator and will blink at a rate of 2Hz
3) TIME SETTING:
-- Pressing the keys combination of [TIME SET] [HR SET] or [TIME SET] [MIN SET] will enter the time
setting mode.
-- One digit will be incremented after entering the alarm setting mode. Keep pressing the keys
combination for more than 0.5 seconds will make the digit to be advanced at a rate of 2Hz.
4) ALARM TIME SETTING:
-- Pressing the keys combination of [AL DISP] [HR SET] or [AL DISP] [MIN SET] will enter the alarm time
setting mode. The [AL] indicator will turn on and the [:] sign will stop blinking.
-- One digit will be incremented after entering the alarm setting mode. Keep pressing the keys
combination for more than 0.5 seconds will make the digit to be advanced at a rate of 2Hz.
5) ALARM FUNTION:
-- AL OUT output pin will output an alarm frequency of 1024Hz at 0.2 sec on and 0.2 sec off.
-- AL OUT pin can be used to direct drive a piezo buzzer.
-- When alarm is active, AL OUT output can be disabled by pressing the [AL-ON/OFF] key or it will turn
off automatically after 3 minutes lapse.
-- AL-SIG pin is an open drain output (active low). Once alarm is activated, AL-SIG can be disabled by
pressing [AL-ON/OFF] key or it will turn off automatically after one hour time lapse.
-- When [AL DISP] is pressed, alarm setting time will be displayed on the LCD and the [AL] indicator will
be on.
-- The [AL-ON/OFF] pin will toggle the [ ] indicator to turn on of off the alarm function. When the
indicator is on, alarm function is on.
6) 32.768kHz crystal is used for the reference frequency.
7) After Power-on-reset (RST):
-- [HR SET] and [MIN SET] keys will be disabled.
-- [AL-DISP] KEY,[AL-ON/OFF] KEY AND AL-SIG output will be enabled.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.4 2007.04.29
Page 5 of 13
5 Page PACKAGE OUTLINE
QFP-44-10x10-0.8
SC3610
UNIT: mm
COB PACKAGE (QFP TYPE)
UNIT: mm
Note: PCB size refers to the label of detail products.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.4 2007.04.29
Page 11 of 13
11 Page |
Páginas | Total 13 Páginas | |
PDF Descargar | [ Datasheet SC3610D.PDF ] |
Número de pieza | Descripción | Fabricantes |
SC3610 | FM/AM TUNER FREQUENCY & CLOCK DISPLAY DRIVER | Silan Semiconductors |
SC3610C | FM/AM TUNER FREQUENCY & CLOCK DISPLAY DRIVER | Silan Semiconductors |
SC3610D | FM/AM TUNER FREQUENCY & CLOCK DISPLAY DRIVER | Silan Semiconductors |
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