SC3610 Datasheet, PDF (5/16 Pages) Silan Microelectronics Joint-stock – FREQUENCY AND CLOCK DISPLAY DRIVER

Silan
Semiconductors
SC3610
PAD DESCRIPTION
Pad
Symbol
I/O
No.
1
VDD
-- Supply voltage
Description
2~4
5 ~ 17
COM1 ~ COM3
SEG0 ~ SEG12
OL LCD common drive signal for driving LCD display
OL LCD segment drive signal for driving LCD display
18
OSCI
I 32.768 kHz crystal oscillator input pin
19
OSCO
O 32.768 kHz crystal oscillator output pin
LCD Supply voltage. Connects a 0.1 µF capacitor between this pin and
20
VLCD
O
VSS
21
RST
ISU Active low power-on reset with pull-up resistor of approx.750kΩ
22
TESTCLK
ISD For testing use only with internal pull-down
23
TEST
ISD When high, the chip will enter test mode
24
AL-ON/OFF
ISU Alarm function on or off in toggle mode. Internal pull up input
25
AL-DISP
ISU When pressed, will display the alarm time. Internal pull up input
Minute setting for time and alarm(together with AL-DISP). Internal pull
26
MIN-SET
ISU
up.
27
HR-SET
ISU Hour setting for time and alarm(together with AL-DISP). Internal pull up.
28
NC
-- No connection
Clock or frequency display mode. Internal pull-down input. When low,
29
CLKFREQ-SEL ISD
clock will be displayed. When high, radio frequency will be displayed.
30
VSS
-- Ground pin
31
AL-SIG
OD10 Open drain alarm signal output, active low.
32
AL-OUT
O4 Alarm output at 1kHz with 0.2 sec on and 0.2 sec off, push-pull output.
33
IF70k
ISD Select IF offset in FM mode. H:70kHz, L:10.7kHz
34
NC
-- No connection
35
RANGE
ISU For frequency counting mode only, Range = H or L, gate time = 0.1S
36
37
38
39
40
Note:
AM/FM-SEL
ISU AM/FM mode selection. High for AM and low for FM, internal pull-up.
AVDD
-- Analog Supply voltage
AMIN
-- AM signal input, 0.3V peak to peak, 500kHz to 30MHz.
AVSS
-- Analog Ground pin.
FMIN
-- FM signal input, 0.3V peak to peak, 11-150MHz.
I
Oscillator Input Pad
O
Oscillator Output Pad
ISU Schmitt trigger input pad with pull-up
OD10 Open Drain with 10mA output driving
ISD Schmitt trigger input pad with pull-down
O4
Push-pull output pad with 4mA driving
OL
LCD segment and common output pad
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2000.12.31
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