EESchema Schematic File Version 2  date Son 27 Nov 2011 01:13:14 CET
LIBS:mur-sat
LIBS:microchip-2
LIBS:microchip-3
LIBS:microchip-4
LIBS:microchip-5
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:special
LIBS:microcontrollers
LIBS:dsp
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:ihu-ttx-test-cache
EELAYER 24  0
EELAYER END
$Descr A4 11700 8267
Sheet 1 1
Title ""
Date "27 nov 2011"
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Connection ~ 10350 5300
Wire Wire Line
	10350 6000 10350 5300
Connection ~ 9950 5500
Wire Wire Line
	9950 6000 9950 5500
Connection ~ 9550 5700
Wire Wire Line
	9550 6000 9550 5700
Connection ~ 9950 7000
Wire Wire Line
	9950 6950 9950 7000
Wire Wire Line
	3800 5700 3800 5750
Connection ~ 3900 6850
Wire Wire Line
	3400 6550 3500 6550
Wire Wire Line
	3500 6550 3500 6850
Wire Wire Line
	3500 6850 4500 6850
Wire Wire Line
	4150 6950 4150 6750
Wire Wire Line
	3900 6250 3900 6200
Wire Wire Line
	3900 5750 3900 5800
Wire Wire Line
	4500 6750 4500 6700
Wire Wire Line
	4500 7050 4500 7100
Connection ~ 1750 5750
Wire Wire Line
	1750 5700 1750 6300
Wire Wire Line
	3400 7250 5600 7250
Connection ~ 1750 6250
Wire Wire Line
	1550 6300 1550 6250
Wire Wire Line
	1550 6250 1950 6250
Connection ~ 1750 7250
Wire Wire Line
	1750 6800 1750 7250
Wire Wire Line
	650  6550 1950 6550
Wire Wire Line
	9550 6550 9550 6500
Wire Wire Line
	5750 5350 5750 5300
Wire Wire Line
	5750 5300 5700 5300
Wire Wire Line
	6250 5100 6150 5100
Wire Wire Line
	6800 5100 6800 5200
Wire Wire Line
	6800 5200 6850 5200
Wire Wire Line
	7550 5300 7450 5300
Wire Wire Line
	7450 5300 7450 5000
Wire Wire Line
	7450 5000 7550 5000
Wire Wire Line
	10850 5700 9250 5700
Wire Wire Line
	10850 5500 9250 5500
Wire Wire Line
	9250 5300 10850 5300
Wire Wire Line
	9250 5100 9850 5100
Connection ~ 9250 4750
Wire Wire Line
	9350 4750 9250 4750
Wire Wire Line
	9350 5000 9250 5000
Wire Wire Line
	9800 5200 9850 5200
Wire Wire Line
	6600 6400 6600 6350
Wire Wire Line
	7500 5900 7500 5800
Wire Wire Line
	7500 5800 7550 5800
Wire Wire Line
	7550 5700 7200 5700
Wire Wire Line
	9750 7000 9750 6950
Wire Wire Line
	10150 7000 10150 6950
Wire Wire Line
	9750 6550 9750 6500
Wire Wire Line
	10150 6550 10150 6500
Wire Wire Line
	10350 6550 10350 6500
Wire Wire Line
	9950 6550 9950 6500
Wire Wire Line
	10350 7000 10350 6950
Connection ~ 10150 7000
Wire Wire Line
	7200 5700 7200 5950
Connection ~ 7200 5800
Wire Wire Line
	7550 5600 6600 5600
Wire Wire Line
	7200 6400 7200 6350
Wire Wire Line
	6600 5600 6600 5950
Connection ~ 6600 5800
Wire Wire Line
	9300 5200 9250 5200
Wire Wire Line
	9750 5000 9850 5000
Wire Wire Line
	9850 5000 9850 5200
Connection ~ 9850 5100
Wire Wire Line
	9250 5000 9250 4650
Wire Wire Line
	9750 4750 9850 4750
Wire Wire Line
	9250 5800 9300 5800
Wire Wire Line
	10850 5400 9250 5400
Wire Wire Line
	10850 5600 9250 5600
Wire Wire Line
	7550 5500 6600 5500
Wire Wire Line
	7550 5200 7350 5200
Wire Wire Line
	7550 5100 6750 5100
Connection ~ 6800 5100
Wire Wire Line
	5700 5100 5750 5100
Wire Wire Line
	9550 6950 9550 7000
Connection ~ 9750 7000
Wire Wire Line
	650  6950 1950 6950
Wire Wire Line
	1950 7250 650  7250
Wire Wire Line
	1550 6800 1550 6950
Connection ~ 1550 6950
Wire Wire Line
	1750 5750 2450 5750
Wire Wire Line
	3600 6250 3400 6250
Wire Wire Line
	4500 6950 3400 6950
Connection ~ 4150 6950
Wire Wire Line
	4150 5800 4150 5750
Wire Wire Line
	3500 5750 3500 6250
Connection ~ 3500 6250
Wire Wire Line
	4150 6250 4150 6200
Wire Wire Line
	3900 6850 3900 6750
Wire Wire Line
	3600 5700 3600 5750
Wire Wire Line
	4150 5750 3800 5750
Connection ~ 3900 5750
Wire Wire Line
	3600 5750 2850 5750
Connection ~ 3500 5750
Wire Wire Line
	9550 7000 10650 7000
Connection ~ 10350 7000
Wire Wire Line
	10850 7100 10850 7000
Wire Wire Line
	9750 6000 9750 5600
Connection ~ 9750 5600
Wire Wire Line
	10150 6000 10150 5400
Connection ~ 10150 5400
$Comp
L CONN_2 P?
U 1 1 4ED1804F
P 10750 6650
F 0 "P?" V 10700 6650 40  0000 C CNN
F 1 "CONN_2" V 10800 6650 40  0000 C CNN
	1    10750 6650
	0    -1   -1   0   
$EndComp
$Comp
L CONN_2 P?
U 1 1 4ED17FFB
P 3700 5350
F 0 "P?" V 3650 5350 40  0000 C CNN
F 1 "CONN_2" V 3750 5350 40  0000 C CNN
	1    3700 5350
	0    -1   -1   0   
$EndComp
$Comp
L LED D?
U 1 1 4ED15345
P 3900 6000
F 0 "D?" H 3900 6100 50  0000 C CNN
F 1 "LED" H 3900 5900 50  0000 C CNN
	1    3900 6000
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR?
U 1 1 4ED17DAE
P 4500 7100
F 0 "#PWR?" H 4500 7100 30  0001 C CNN
F 1 "GND" H 4500 7030 30  0001 C CNN
	1    4500 7100
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR?
U 1 1 4ED17DA3
P 4500 6700
F 0 "#PWR?" H 4500 6800 30  0001 C CNN
F 1 "VCC" H 4500 6800 30  0000 C CNN
	1    4500 6700
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR?
U 1 1 4ED17DA1
P 1750 5700
F 0 "#PWR?" H 1750 5800 30  0001 C CNN
F 1 "VCC" H 1750 5800 30  0000 C CNN
	1    1750 5700
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR?
U 1 1 4ED17CF1
P 3600 6250
F 0 "#PWR?" H 3600 6250 30  0001 C CNN
F 1 "GND" H 3600 6180 30  0001 C CNN
	1    3600 6250
	0    -1   -1   0   
$EndComp
Text Label 650  7250 0    60   ~ 0
TTX_RESET
Text Label 650  6950 0    60   ~ 0
TTX_SDA
Text Label 5250 7250 0    60   ~ 0
TTX_SCL
Text Label 650  6550 0    60   ~ 0
1HZ
NoConn ~ 1600 6550
$Comp
L R R?
U 1 1 4ED17BBD
P 9550 6250
F 0 "R?" V 9630 6250 50  0000 C CNN
F 1 "R" V 9550 6250 50  0000 C CNN
	1    9550 6250
	1    0    0    -1  
$EndComp
$Comp
L LED D?
U 1 1 4ED17BBC
P 9550 6750
F 0 "D?" H 9550 6850 50  0000 C CNN
F 1 "LED" H 9550 6650 50  0000 C CNN
	1    9550 6750
	0    1    1    0   
$EndComp
$Comp
L GND #PWR?
U 1 1 4ED17991
P 5750 5350
F 0 "#PWR?" H 5750 5350 30  0001 C CNN
F 1 "GND" H 5750 5280 30  0001 C CNN
	1    5750 5350
	1    0    0    -1  
$EndComp
NoConn ~ 7550 5400
Text Label 6600 5500 0    60   ~ 0
DTMF_PWRDWN
Text Label 10450 5700 0    60   ~ 0
DTMF_D0
Text Label 10450 5600 0    60   ~ 0
DTMF_D1
Text Label 10450 5500 0    60   ~ 0
DTMF_D2
Text Label 10450 5400 0    60   ~ 0
DTMF_D3
Text Label 10450 5300 0    60   ~ 0
DTMF_DV
$Comp
L C C?
U 1 1 4ED153C6
P 9550 4750
F 0 "C?" H 9600 4850 50  0000 L CNN
F 1 "C" H 9600 4650 50  0000 L CNN
	1    9550 4750
	0    1    1    0   
$EndComp
$Comp
L GND #PWR?
U 1 1 4ED17758
P 9850 4750
F 0 "#PWR?" H 9850 4750 30  0001 C CNN
F 1 "GND" H 9850 4680 30  0001 C CNN
	1    9850 4750
	0    -1   -1   0   
$EndComp
$Comp
L VCC #PWR?
U 1 1 4ED17722
P 9300 5800
F 0 "#PWR?" H 9300 5900 30  0001 C CNN
F 1 "VCC" H 9300 5900 30  0000 C CNN
	1    9300 5800
	0    1    1    0   
$EndComp
$Comp
L VCC #PWR?
U 1 1 4ED17717
P 9250 4650
F 0 "#PWR?" H 9250 4750 30  0001 C CNN
F 1 "VCC" H 9250 4750 30  0000 C CNN
	1    9250 4650
	1    0    0    -1  
$EndComp
$Comp
L C C?
U 1 1 4ED17674
P 6600 6150
F 0 "C?" H 6650 6250 50  0000 L CNN
F 1 "C" H 6650 6050 50  0000 L CNN
	1    6600 6150
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR?
U 1 1 4ED175E9
P 6600 6400
F 0 "#PWR?" H 6600 6400 30  0001 C CNN
F 1 "GND" H 6600 6330 30  0001 C CNN
	1    6600 6400
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR?
U 1 1 4ED175E5
P 7200 6400
F 0 "#PWR?" H 7200 6400 30  0001 C CNN
F 1 "GND" H 7200 6330 30  0001 C CNN
	1    7200 6400
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR?
U 1 1 4ED175DF
P 7500 5900
F 0 "#PWR?" H 7500 5900 30  0001 C CNN
F 1 "GND" H 7500 5830 30  0001 C CNN
	1    7500 5900
	1    0    0    -1  
$EndComp
$Comp
L LED D?
U 1 1 4ED17504
P 9950 6750
F 0 "D?" H 9950 6850 50  0000 C CNN
F 1 "LED" H 9950 6650 50  0000 C CNN
	1    9950 6750
	0    1    1    0   
$EndComp
$Comp
L LED D?
U 1 1 4ED17503
P 9750 6750
F 0 "D?" H 9750 6850 50  0000 C CNN
F 1 "LED" H 9750 6650 50  0000 C CNN
	1    9750 6750
	0    1    1    0   
$EndComp
$Comp
L LED D?
U 1 1 4ED174F8
P 10150 6750
F 0 "D?" H 10150 6850 50  0000 C CNN
F 1 "LED" H 10150 6650 50  0000 C CNN
	1    10150 6750
	0    1    1    0   
$EndComp
$Comp
L GND #PWR?
U 1 1 4ED174CE
P 10850 7100
F 0 "#PWR?" H 10850 7100 30  0001 C CNN
F 1 "GND" H 10850 7030 30  0001 C CNN
	1    10850 7100
	1    0    0    -1  
$EndComp
$Comp
L CONN_3 K?
U 1 1 4ED173C0
P 4250 1850
F 0 "K?" V 4200 1850 50  0000 C CNN
F 1 "CONN_3" V 4300 1850 40  0000 C CNN
	1    4250 1850
	1    0    0    -1  
$EndComp
$Comp
L CONN_3 K?
U 1 1 4ED173BF
P 4250 2200
F 0 "K?" V 4200 2200 50  0000 C CNN
F 1 "CONN_3" V 4300 2200 40  0000 C CNN
	1    4250 2200
	1    0    0    -1  
$EndComp
$Comp
L CONN_3 K?
U 1 1 4ED173AC
P 4250 2900
F 0 "K?" V 4200 2900 50  0000 C CNN
F 1 "CONN_3" V 4300 2900 40  0000 C CNN
	1    4250 2900
	1    0    0    -1  
$EndComp
$Comp
L CONN_3 K?
U 1 1 4ED1739F
P 4250 2550
F 0 "K?" V 4200 2550 50  0000 C CNN
F 1 "CONN_3" V 4300 2550 40  0000 C CNN
	1    4250 2550
	1    0    0    -1  
$EndComp
$Comp
L CONN_4 P?
U 1 1 4ED1589D
P 1350 3250
F 0 "P?" V 1300 3250 50  0000 C CNN
F 1 "CONN_4" V 1400 3250 50  0000 C CNN
	1    1350 3250
	1    0    0    -1  
$EndComp
$Comp
L CONN_10 P?
U 1 1 4ED1588D
P 1350 2400
F 0 "P?" V 1300 2400 60  0000 C CNN
F 1 "CONN_10" V 1400 2400 60  0000 C CNN
	1    1350 2400
	1    0    0    -1  
$EndComp
$Comp
L CONN_6 P?
U 1 1 4ED1584E
P 4250 1200
F 0 "P?" V 4200 1200 60  0000 C CNN
F 1 "CONN_6" V 4300 1200 60  0000 C CNN
	1    4250 1200
	1    0    0    -1  
$EndComp
$Comp
L CP1 C?
U 1 1 4ED1580C
P 10250 3900
F 0 "C?" H 10300 4000 50  0000 L CNN
F 1 "CP1" H 10300 3800 50  0000 L CNN
	1    10250 3900
	1    0    0    -1  
$EndComp
$Comp
L CONN_2 P?
U 1 1 4ED156BF
P 5350 5200
F 0 "P?" V 5300 5200 40  0000 C CNN
F 1 "CONN_2" V 5400 5200 40  0000 C CNN
	1    5350 5200
	-1   0    0    1   
$EndComp
$Comp
L R R?
U 1 1 4ED15607
P 10150 6250
F 0 "R?" V 10230 6250 50  0000 C CNN
F 1 "R" V 10150 6250 50  0000 C CNN
	1    10150 6250
	1    0    0    -1  
$EndComp
$Comp
L R R?
U 1 1 4ED15606
P 10350 6250
F 0 "R?" V 10430 6250 50  0000 C CNN
F 1 "R" V 10350 6250 50  0000 C CNN
	1    10350 6250
	1    0    0    -1  
$EndComp
$Comp
L R R?
U 1 1 4ED15600
P 9950 6250
F 0 "R?" V 10030 6250 50  0000 C CNN
F 1 "R" V 9950 6250 50  0000 C CNN
	1    9950 6250
	1    0    0    -1  
$EndComp
$Comp
L R R?
U 1 1 4ED155FF
P 9750 6250
F 0 "R?" V 9830 6250 50  0000 C CNN
F 1 "R" V 9750 6250 50  0000 C CNN
	1    9750 6250
	1    0    0    -1  
$EndComp
$Comp
L R R?
U 1 1 4ED155F1
P 7100 5200
F 0 "R?" V 7180 5200 50  0000 C CNN
F 1 "R" V 7100 5200 50  0000 C CNN
	1    7100 5200
	0    1    1    0   
$EndComp
$Comp
L C C?
U 1 1 4ED155E4
P 5950 5100
F 0 "C?" H 6000 5200 50  0000 L CNN
F 1 "C" H 6000 5000 50  0000 L CNN
	1    5950 5100
	0    1    1    0   
$EndComp
$Comp
L R R?
U 1 1 4ED155E3
P 6500 5100
F 0 "R?" V 6580 5100 50  0000 C CNN
F 1 "R" V 6500 5100 50  0000 C CNN
	1    6500 5100
	0    1    1    0   
$EndComp
$Comp
L R R?
U 1 1 4ED155D8
P 9550 5200
F 0 "R?" V 9630 5200 50  0000 C CNN
F 1 "R" V 9550 5200 50  0000 C CNN
	1    9550 5200
	0    1    1    0   
$EndComp
$Comp
L C C?
U 1 1 4ED155CE
P 9550 5000
F 0 "C?" H 9600 5100 50  0000 L CNN
F 1 "C" H 9600 4900 50  0000 L CNN
	1    9550 5000
	0    1    1    0   
$EndComp
$Comp
L CONN_4 P?
U 1 1 4ED154E3
P 4850 6900
F 0 "P?" V 4800 6900 50  0000 C CNN
F 1 "CONN_4" V 4900 6900 50  0000 C CNN
	1    4850 6900
	1    0    0    -1  
$EndComp
$Comp
L R R?
U 1 1 4ED154A7
P 1550 6550
F 0 "R?" V 1630 6550 50  0000 C CNN
F 1 "R" V 1550 6550 50  0000 C CNN
	1    1550 6550
	1    0    0    -1  
$EndComp
$Comp
L R R?
U 1 1 4ED15442
P 1750 6550
F 0 "R?" V 1830 6550 50  0000 C CNN
F 1 "R" V 1750 6550 50  0000 C CNN
	1    1750 6550
	1    0    0    -1  
$EndComp
$Comp
L R R?
U 1 1 4ED15421
P 4150 6500
F 0 "R?" V 4230 6500 50  0000 C CNN
F 1 "R" V 4150 6500 50  0000 C CNN
	1    4150 6500
	1    0    0    -1  
$EndComp
$Comp
L R R?
U 1 1 4ED1540B
P 3900 6500
F 0 "R?" V 3980 6500 50  0000 C CNN
F 1 "R" V 3900 6500 50  0000 C CNN
	1    3900 6500
	1    0    0    -1  
$EndComp
$Comp
L C C?
U 1 1 4ED153CB
P 7800 3700
F 0 "C?" H 7850 3800 50  0000 L CNN
F 1 "C" H 7850 3600 50  0000 L CNN
	1    7800 3700
	1    0    0    -1  
$EndComp
$Comp
L C C?
U 1 1 4ED153B2
P 750 1250
F 0 "C?" H 800 1350 50  0000 L CNN
F 1 "C" H 800 1150 50  0000 L CNN
	1    750  1250
	1    0    0    -1  
$EndComp
$Comp
L C C?
U 1 1 4ED153B1
P 2650 5750
F 0 "C?" H 2700 5850 50  0000 L CNN
F 1 "C" H 2700 5650 50  0000 L CNN
	1    2650 5750
	0    1    1    0   
$EndComp
$Comp
L C C?
U 1 1 4ED153A2
P 1150 1250
F 0 "C?" H 1200 1350 50  0000 L CNN
F 1 "C" H 1200 1150 50  0000 L CNN
	1    1150 1250
	1    0    0    -1  
$EndComp
$Comp
L C C?
U 1 1 4ED153A1
P 1550 1250
F 0 "C?" H 1600 1350 50  0000 L CNN
F 1 "C" H 1600 1150 50  0000 L CNN
	1    1550 1250
	1    0    0    -1  
$EndComp
$Comp
L C C?
U 1 1 4ED15396
P 7200 6150
F 0 "C?" H 7250 6250 50  0000 L CNN
F 1 "C" H 7250 6050 50  0000 L CNN
	1    7200 6150
	1    0    0    -1  
$EndComp
$Comp
L CRYSTAL X?
U 1 1 4ED1537F
P 6900 5800
F 0 "X?" H 6900 5950 60  0000 C CNN
F 1 "CRYSTAL" H 6900 5650 60  0000 C CNN
	1    6900 5800
	1    0    0    -1  
$EndComp
$Comp
L CRYSTAL X?
U 1 1 4ED1537B
P 1250 750
F 0 "X?" H 1250 900 60  0000 C CNN
F 1 "CRYSTAL" H 1250 600 60  0000 C CNN
	1    1250 750 
	1    0    0    -1  
$EndComp
$Comp
L LED D?
U 1 1 4ED15344
P 4150 6000
F 0 "D?" H 4150 6100 50  0000 C CNN
F 1 "LED" H 4150 5900 50  0000 C CNN
	1    4150 6000
	0    -1   -1   0   
$EndComp
$Comp
L LED D?
U 1 1 4ED1532F
P 10350 6750
F 0 "D?" H 10350 6850 50  0000 C CNN
F 1 "LED" H 10350 6650 50  0000 C CNN
	1    10350 6750
	0    1    1    0   
$EndComp
$Comp
L DS1374C U?
U 1 1 4ED15122
P 8950 3750
F 0 "U?" H 8950 3650 50  0000 C CNN
F 1 "DS1374C" H 8950 3850 50  0000 C CNN
	1    8950 3750
	1    0    0    -1  
$EndComp
$Comp
L HT9170D U?
U 1 1 4ED14CE3
P 8400 5400
F 0 "U?" H 8400 5300 50  0000 C CNN
F 1 "HT9170D" H 8400 5500 50  0000 C CNN
	1    8400 5400
	1    0    0    -1  
$EndComp
$Comp
L PIC12F635 U1
U 1 1 4ED14795
P 2700 6750
F 0 "U1" H 2650 6750 60  0000 C CNN
F 1 "PIC12F635" H 2700 7500 60  0000 C CNN
	1    2700 6750
	1    0    0    -1  
$EndComp
$Comp
L PIC16F877PT IC1
U 1 1 4ED1475A
P 2750 2000
F 0 "IC1" H 1950 3150 50  0000 L BNN
F 1 "PIC16F877PT" H 2850 700 50  0000 L BNN
F 2 "microchip-2-TQFP44" H 2750 2150 50  0001 C CNN
	1    2750 2000
	1    0    0    -1  
$EndComp
$EndSCHEMATC