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UTC 6610
FREQUENCY AND CLOCK DISPLAY DRIVER
The UTC 6610 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.
CMOS IC
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
QFP-48-12 12-0.8
BLOCK DIAGRAM
SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 COM1 COM2 COM3 SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 AVDD
VDD
LCD DRIVER FMIN AMIN AM/FM-SEL IF70K RANGE
AMP AMP PRESCALER DIV.BY 10 IF FREQ OFFSET COUNTER
VLCD
CLKFREQ-SEL RST
TIMMING CTL
M U X
CLOCK
AL-SIG AL-OUT
UTC
UNISONIC TECHNOLOGIES CO. LTD
MIN SET AL DISP AL ON/OFF
TEST CLK
OSC IN
AVSS
VSS
OSC OUT
PR SET
TEST
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PAD ASSIGNMENT QFP-48- 12 12-0.8 PACKAGE
CLKFREQ-SEL HR-SET RANGE MIN-SET AL-OUT
CMOS IC
IF70K
AL-SIG
VSS
NC
NC
NC
36 35 34 33 32 31 30 29 28 27 26 25 AM/FM-SEL 37 AVDD 38 AMIN 39 AVSS 40 FMIN 41 VDD 42 VSS 43 COM1 44 COM2 45 COM3 46 SEG0 47 NC 48 1 NC 2 SEG1 3 SEG2 4 SEG3 5 SEG4 6 SEG5 7 SEG6 8 SEG7 9 10 SEG8 SEG9 11 12 SEG10 NC
MIN-SET 24 23 22 AL DISP 21 AL ON/OFF 20 TEST 19 TEST CLK 18 RST NC 17 VLCD 16 OSCOUT 15 OSC IN 14 SEG12 13 SEG11 12 NC 1 NC 2 SEG1 3 SEG2 4 SEG3 5 SEG4 6 SEG5 7 SEG6 8 SEG7 9 10 SEG8 SEG9 11 SEG10
NC 24 AL DISP 23 AL ON/OFF 22 TEST 21 TEST CLK 20 RST 19 VSS 18 VLCD 17 OSCOUT 16 OSC IN 15 SEG12 14 SEG11 13 NC
6610
QFP-44- 10
10-.8 PACKAGE
CLKFREQ-SEL HR-SET AL-OUT RANGE AL-SIG
IF70K
NC
VSS
33 32 31 30 29 28 27 26 25 NC 34 AM/FM-SEL 35 AVDD 36 AMIN 37 AVSS 38 FMIN 39 VDD 40 COM1 41 COM2 42 COM3 43 SEG0 44
6610
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NC
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COB PACKAGE,QFP TYPE
CLKFREQ-SEL RANGE MIN-SET HR-SET AL-OUT AL-SIG
CMOS IC
IF70K
VSS
30 29 28 27 26 25 24 23 22 21 AM/FM-SEL 31 AVDD 32 AMIN 33 AVSS 34 FMIN 35 VDD 36 COM1 37 COM2 38 COM3 39 SEG0 40 1 SEG1 2 SEG2 3 SEG3 4 SEG4 5 SEG5 6 SEG6 7 SEG7 8 SEG8 9 SEG9 10 SEG10 20 AL DISP 19 AL ON/OFF 18 TEST 17 TEST CLK
NC
NC
6610
16 RST 15 VLCD 14 OSCOUT 13 OSC IN 12 SEG12 11 SEG11
COB PACKAGE SOP TYPE
COM1 1 COM2 2 COM3 3 SEG0 4 SEG1 5 SEG2 6 SEG3 7 SEG4 8 SEG5 9 SEG6 10 SEG7 11 SEG8 12 SEG9 13 SEG10 14 SEG11 15 SEG12 16 OSC IN 17 OSCOUT 18 36 VDD 35 FMIN 34 VSS 33 AMIN 32 AM/FM-SEL 31 RANGE 30 NC 29 IF70K 28 AL-OUT
6610
27 AL-SIG 26 CLKFREQ-SEL 25 NC 24 HR-SET 23 MIN-SET 22 AL DISP 21 AL ON/OFF 20 RST 19 VLCD
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ABSOLUTE MAXIMUM RATINGS ( Ta=25C ,unless otherwise specified )
PARAMETER
Supply Voltage Input Voltage Output Voltage Storage Temperature ESD Protection
CMOS IC
SYMBOL
VDD VIN VOUT TSTG
RATING
0.5 ~ 7.0 -0.5 ~ VDD+0.5 -0.5 ~ VDD+0.5 -40 ~ +125 -2 ~ + 2
UNIT
V V V C kV
ELECTRICAL CHARACTERISTICS(Ta=25C, VDD= 3,Unless otherwise specified)
Parameter
Supply Voltage VDD Supply Current Consumption Internal LCD Reference Voltage LCD Drive Current consumption LCD Frame Frequency Oscillator Frequency FM Input Frequency AM Input Frequency FM Input impedance AM Input impedance Open Drain Low Level Voltage Low Level Input Voltage High Level Input Voltage Low Level Output Voltage High Level Output Voltage Schmitt Trigger Positive Threshold Schmitt Trigger Negative Threshold Schmitt Trigger Input Resistance Reset Pin pull-up Resistance
Symbol
VDD IDD1 IDD2 VLCD ILCD FLCD FOSC FFM FAM RIN(FM) RIN(AM) VOLoc VIL VIH VOL VOH Vt+ VtRIN+/RIN-UP
Test conditions
frequency mode clock mode respect to VDD all segments on
MIN
TYP
1.8 55 2.25 32 32.768
MAX
3.6 110 2.5 5
UNIT
mA A V A Hz kHz MHz MHz k V V V V V V V k k
2
VIN = 0.3 VPP VIN = 0.3 VPP FFM =120MHz FAM =12MHz VDD=3V, Isink =10mA
11.0 0.5 150 2.0
150 30
0.5 0.3VDD 0.7VDD 0.4 VDD-0.5 0.6 2.3 0.9 75 750 2.4
VDD=3V, Isink=4mA VDD=3V, ISOURCE=-4mA VDD=3V VDD=3V pull-up or pull-down
PAD DESCRIPTION
PAD NO. SYMBOL 1 VDD 2~4 COM1 ~ COM3 5 ~ 17 SEG0 ~ SEG12 OSCI 18 OSCO 19 VLCD 20 21 22 23 24 25 26 27 28 29 30 31 32 RST TESTCLK TEST AL-ON/OFF AL-DISP MIN-SET HR-SET NC CLKFREQ-SEL VSS AL-SIG AL-OUT I/O OL OL I O O ISU ISD ISD ISU ISU ISU ISU ISD DESCRIPTION Supply voltage LCD common drive signal for driving LCD display LCD segment drive signal for driving LCD display 32.768 kHz crystal oscillator input pin 32.768 kHz crystal oscillator output pin LCD Supply voltage. Connects a 0.1 F capacitor between this pin and VSS Active low power-on reset with pull-up resistor of approx.750k For testing use only with internal pull-down When high, the chip will enter test mode Alarm function on or off in toggle mode. Internal pull up input When pressed, will display the alarm time. Internal pull up input Minute setting for time and alarm(together with AL-DISP). Internal pull up. Hour setting for time and alarm(together with AL-DISP). Internal pull up. No connection Clock or frequency display mode. Internal pull-down input. When low, clock will be displayed. When high, radio frequency will be displayed. Ground pin Open drain alarm signal output, active low. Alarm output at 1kHz with 0.2 sec on and 0.2 sec off, push-pull output.
OD10
O4
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33 IF70k ISD Select IF offset in FM mode. H:70kHz, L:10.7kHz
CMOS IC
PAD NO. SYMBOL I/O DESCRIPTION 34 NC No connection 35 RANGE ISU For frequency counting mode only, Range = H or L, gate time = 0.1S 36 AM/FM-SEL ISU AM/FM mode selection. High for AM and low for FM, internal pull-up. 37 AVDD Analog Supply voltage 38 AMIN AM signal input, 0.3V peak to peak, 500kHz to 30MHz. 39 AVSS Analog Ground pin. 40 FMIN FM signal input, 0.3V peak to peak, 11-150MHz. Note: I : Oscillator Input Pad O: Oscillator Output Pad ISU: Schmitt trigger input pad with pull-up D10: 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
FUNCTIONAL DESCRIPTION
1. RADIO FREQUENCY DISPLAY OPERATION (DTS MODE):
The FM and AM local oscillator output generated from the external RF receiver enters a high gain input comparator through the FMIN and the AMIN pins respectively. The FM signal then routes through a divide-by10 dynamic pre-scalar. Depending on the state of the AM/FM-SEL pin, the FM and AM signal will be selected and enters the IF frequency offset block. Depending on the FM/AM selection, 10.7MHz/70kHz or 455kHz I.F.frequency will be subtracted or added from the input signal.
LCD DISPLAY RANGE:
MODE
FM
RANGE
DISPLAY RANGE (ON LCD)
STEP
10kHz 100kHz 1kHz 10kHz
RESOULTION
1kHz 10kHz 100kHz 1kHz
H 11.00 MHz to 99.99 MHz L 11.00 MHz to 149.9 kHz AM H 500 kHz to 9999 kHz L 0.5 MHz to 29.99 MHz Note:1 When counter frequency overflow, MSB will not be displayed.
IF OFFSET FOR DIFFERENT APPLICATION:
IF70K AM/FM-SEL IF Offset 0 0 +10.7MHz 0 1 +455kHz 1 0 -70 kHz* 1 1 +455kHz * Suitable to use with TDA7088. 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
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CMOS IC
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.
3. After POWER-ON-SET(RST):
-- When in clock mode, it will display and start at AM 7:00. -- When in DTS frequency mode, if CLKFREQ-SEL = High, and FMIN & AMIN pins are grounded, all LCD segments will be turned on(LCD test mode).
4. LCD pin configuration and 0 to 9 digits segments display configuration. LCD MAPPING PIN FUNCTION
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 COM1 COM2 COM3 SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 COM1 COM2 COM3 kHz AL DIG1-d DP1 DP2 DIG2-d : AM DIG3-d FM DIG4-d PM MHz DIG1-c DIG1-g DIG1-e DIG2-c DIG2-g DIG2-e DIG3-c DIG3-g DIG3-e DIG4-c DIG4-g DIG34-e DIG1-b DIG1-a DIG1-f DIG2-b DIG2-a DIG2-f DIG3-b DIG3-a DIG3-f DIG4-b DIG4-a DIG4-f
PIN16 COL a f 4 3 DP2 2 e DP1 gb 1c d S1
PIN1
AM FM PM
MHz KHz AL
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LCD TIMMING WAVEFORMS
O n e C y c le O n e C y c le
CMOS IC
COM1
VDD V L C D 1 /3 V L C D 2 /3 VLC D VDD V L C D 1 /3 COM2 V L C D 2 /3 VLC D VDD V L C D 1 /3 COM3 V L C D 2 /3 VLC D VDD V L C D 1 /3 SEGX V L C D 2 /3 VLC D
SEGX SEGX SEGX SEGX SEGX SEGX COM1 COM2 COM3 COM1 COM2 COM3
ON
ON
ON
ON
ON
ON
SUGGESTED APPLICATION
500kHz 30MHz AM Local Oscillator Frequency Clock Buffer Radio Frequency Receiver 11kHz 150MHz FM Local Oscillator Frequency Clock Buffer FM Local Oscillator
AM Local Oscillator
AMIN LCD 6610
FMIN
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TYPICAL LCD LAYOUT
Counter Only Mode PIN COM1 1 COM1 2 3 4 kHz 5 AL 6 1D 7 DP1 8 DP2 9 2D 10 COL 11 AM 12 3D 13 14 FM 15 4D 16 PM
PIN16 COL S1
CMOS IC
COM2 COM2 MHz 1C 1G 1E 2C 2G 2E 3C 3G 3E 4C 4G 4E
COM3
COM3 S1 1B 1A 1F 2B 2A 2F 3B 3A 3F 4B 4A 4F
PIN1
AM FM PM
DP2 DP1
MHz KHz AL
Clock and Counter Mode PIN COM1 COM2 1 COM1 2 COM2 3 4 kHz MHz 5 TS 1C 6 1D 1G 7 1P 1E 8 2P 2C 9 2D 2G 10 COL 2E 11 3C 12 3D 3G 13 S1 3E 14 FM 4C 15 4D 4G 16 PM 4E 17 AM 18 AL 19 MW 20 LW 21 SW
COM3
COM3 TK 1B 1A 1F 2B 2A 2F 3B 3A 3F 4B 4A 4F
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CMOS IC
s1
AL a
COL TK
DZS SW
MW
AM FM PM
f
gb
e
4c d
3
2P
2
1P
1
MHz KHz
TS PIN1
LM
PIN21
AM MW LW
stereo
SW
TYPICAL APPLICATION CIRCUITS 1
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SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 VDD 1234 4-DIGITS LCD DISPLAY 5 6 7 8 9 10 11 12 13 14 15 16 SEG2 SEG3 SEG4 SEG5 SEG6 COM1 COM2 COM3 SEG0 SEG1
CMOS IC
10nf
10uf AVDD VDD LCD DRIVER
IF FREQ OFFSET
VLCD 0.1 F
COUNTER
FMIN AMIN AM/FM-SEL IF70k RANGE AVss
AMP AMP
PRESCALER DIV.BY 10
CLKFREQ-SEL 4.7k RST 1M
VDD
0.1 F
TIMMING CTL
AL-SIG
M U X
CLOCK
AL-OUT
OSCOUT
PRESET
TESTCLK
20pF
32.768 kHz
20pF
TYPICAL APPLICATION CIRCUITS 2
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UNISONIC TECHNOLOGIES CO. LTD
AL ON/OFF
OSCIN
MINSET AL DISP
Vss
TEST
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CMOS IC
9012 10k 470k FM 330k
0.1 F
9013 9013 100k
10
F
0.1
F
VDD
COM3 2pF
20k 100k 0.1 220
33 35
FMIN AMIN 25 19
2pF
COM1 VLCD NC 29 34 32 31 NC
27 28 30
1
2
2pF
COM2
Buzzer
9018
9018
AL-OUT AL-SIG RANGE 470pF 10k AM/FM-SEL RUM VSS OSCOUT
180pF 3.3nF
3.9nF
0.1
F
0.1
F
IF70k CLKFREQ AL-ON -SEL /OFF 10 13 15 7 8 ALDISP HRSET MINSET 9 3
OSCIN RST
17 18
330pF
32768Hz
26
21
22
24
11
IF Limiter
Mixer
V1 2.2k 2.2k
5.4k
10k
68pF 5 12 220pF
6k 5k vp
VCO
AIIpass Filter
Alarm On/Off
Demodulator
HR
6k V2 TDA7088
Loop filter
Alarm Set 4
AF V2
-1
Time Set
23
MIN
20
82pF
0.1 F
VP
680pF
V2 5.6k 14
10nF
&
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3v
0.1 F 0.1 F
AF 16
R s
V3 Search Tuning
MUTE
PAD COORDINATES
BB910
1
2
reset
0.1 F
Audio Out 1.8nF 10k
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UNISONIC TECHNOLOGIES CO. LTD
SEG10 14 SEG11 15 SEG7 11 SEG9 13 SEG8 12 SEG12 16 SEG6 10 SEG5 9 SEG4 8 SEG3 7 6 5 SEG2 SEG1 36 SEG0 4 6
MHz
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CMOS IC
(0,0)
CHIP SIZE: 2.02 2.70mm
PAD COORDINATES
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PAD No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 X 99 99 99 99 99 120 318 516 713 911 1108 1306 1504 1701 1899 1899 1899 1899 1899 1899 Y 1258 1033 835 637 440 98 98 98 98 98 98 98 98 98 98 440 682 880 1078 1275 PAD No. 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 X 1899 1899 1899 1899 1899 1899 1701 1504 1306 1093 908 732 538 314 120 99 99 99 95 99 Y 1473 1670 1868 2066 2263 2570 2570 2570 2570 2547 2570 2558 2570 2556 2570 2263 2045 1823 1648 1428
CMOS IC
(Unit : m)
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COB PACKAGE (QFP TYPE)
23.0 1.0
CMOS IC
(UNIT: mm)
2.0 MAX
23.0
1.27
1.778
COB PACKAGE (SOP TYPE)
(UNIT: mm)
23.0
1.0
10.0 MAX 2.0 MAX 7.0 MAX 1.27 0.5
UTC
10.0
0.5
1.0
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CMOS IC
UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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