Velleman HPS50 - HPS50 Digital Section Schematic

9
DIGITAL SECTION
Title
Number RevisionSize
A4
Date: 12/12/2008 Sheet of
File: C:\Files\..\Digital section.Sch Drawn By:
RA0/AN0
3
RA1/AN1
4
RA2/AN2/VREF-
5
RA3/AN3/VREF+
6
RA4/T0CKI
7
RA5/SS/LVDIN
8
RB0/INT0
36
RB4
41
RB2/INT2
38
RB3/CCP2
39
RB1/INT1
37
RB5
42
RB6
43
RB7
44
RC0/T1OSO/T1CKI
16
RC1/T1OSI/CCP2
18
RC2/CCP1
19
RC3/SCK/SCL
20
RC4/SDI/SDA
25
RC5/SDO
26
RC6/TX/CK
27
RC7/RX/DT
29
RD0/PSP0
21
RD1/PSP1
22
RD2/PSP2
23
RD3/PSP3
24
RD4/PSP4
30
RD5/PSP5
31
RD6/PSP6
32
RD7/PSP7
33
RE0/RD/AN5
9
RE1/WR/AN6
10
RE2/CS/AN7
11
VSS
13
VSS
34
MCLR/VPP
2
OSC1/CLKIN
14
OSC2/CLKOUT/RA6
15
NC
1
NC
17
NC
28
NC
40
VDD
12
VDD
35
PIC18C452/L(44)
IC12
DB0
7
DB1
8
DB2
9
DB3
10
DB4
11
DB5
12
DB6
13
DB7
14
E
6
R/W
5
RS
4
CS
15
RES
16
VSS
1
VDD
2
VEE
17
CONTRAST
3
A
19
K
20
LCD-PS192112
LCD1
PWM CONTRAST
DGND 32.768KHz
X1
DGND DGND
DGND
TRIG INT
PWM YPOS
Contrast
SW8
Hold
SW12
Display
SW16
Mark
SW4
PLVA2656A
ZD3
PLVA2656A
ZD4
DGND
DGND
Up
SW7
Left
SW11
Input
SW15
Trig
SW3
Right
SW6
Down
SW10
Auto
SW14
tVdiv
SW2
ProbeX1
SW5
Meter
SW9
On/Off
SW13
XYpos
SW1
VPP
1
VDD
2
GND
3
DATA
4
CLK
5
ICSP CONNECTOR
SK5
DGND
RB6
RB7
RB6
RB7
PLVA2656A
ZD5
PLVA2656A
ZD6
DGNDDGND
10K
R40
BAS85
D8
RESET
SW17
DGND
DGND
3
2
6
74
1 5
UA741
IC13
150K
R75
47K
R61
47K
R60
82K
R73
330K
R76
470n
C36
470n
C37
DGND
DGND
PWM CONTRAST
-17.5V
-17.5V
5VD
33
R17
2K2
R28
DGND
PMBT2222A
T1
BACKLIGHT
5VD
DGND
5VD
47K
R62
DGND
HPS50
HPS50 Digital section
AD CLK
AD OE
PWR
RD TRIGTIME
DISABLE SYNC
TRIG LE
INPUT LE
BACKLIGHT
10K
R43
VCC
4
OUT
3
TRI
1
GND
2
40MHz
XO1
DGNDDGND
IO
1
IO
2
IO
3
IO
4
IO/GCK1
5
IO/GCK2
6
IO/GCK3
7
IO
8
IO
9
GND
10
IO
11
IO
12
IO
13
IO
14
TD IN
15
TMS
16
TCK
17
IO
18
IO
19
IO
20
VCC INT
21
IO
22
GND
23
IO
24
IO
25
IO
26
IO
27
IO
28
IO
29
TD OUT
30
GND
31
VCC IO
32
IO
33
IO
34
IO
35
IO
36
IO
37
IO
38
IO/GSR
39
IO/GTS2
40
VCC INT
41
IO/GTS1
42
IO
43
IO
44
XC9536XL-10PC44C
IC11
DGND
3.3VD
INPUT LE
TRIG LE
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
RD TRIGTIME
DISABLE SYNC
DGND DGND DGND
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB0
RS232 Tx
TRIG2
TRIG1
TRIG0
REF GND
AC/DC
÷1
÷20
÷400
x1.415/x7.07
x3.325/x6.65
OSC
OSC
270
R26
VCC
1
GND
2
NC
3
TCK
4
NC
5
TDO
6
TDI
7
NC
8
TMS
9
JTAG CPLD CONNECTOR
SK6
DGND
3.3Vcpld
TMS
TDI
TDO
TCK
TDOTDI
TMS
TCK
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
PROBETESTPOINT
SK7
INPUT CAP1
INPUT CAP2
100µ/16V
C57
DGND
DGND
100µ/16V
C47
DGND
RESET
10K
R54
10K
R55
10K
R56
10K
R53
5VD
TRIGGER
TRIG INT
10K
R52
4.5Vcpu
1.0
470p
C59
470p
C60
470p
C61
470p
C62
470p
C63
470p
C64
470p
C65
470p
C66
470p
C67
470p
C68
AGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGND
47R80
47R81
47R82
47R83
47R84
47R85
47R86
47R87
47R88
47
R89
47R79
470p
C69
AGND
470p
C70
AGND
47
R90
100n
C26
10n
C13
100n
C21
100n C22 100n
C23
100n
C24
100n
C25
33p
C9
33p
C8
3 5
Eddy De Cocker
0.68µH
L6
0.68µH
L7
3.3Vcpld
1n
C77
DGND
4.5Vcpu
4.5Vcpu
* R76 = 390K for lcd with negatif power supply on board
47
R99
DGND
470