Sony RM-B150, Руководство по обслуживанию

Страница: 41 / 66

5-7
RM-B150
IC
EN
0
1
1
1
1
1
1
1
1
Y7
1
1
1
1
1
1
1
1
0
Y6
1
1
1
1
1
1
1
0
1
Y5
1
1
1
1
1
1
0
1
1
Y4
1
1
1
1
1
0
1
1
1
Y3
1
1
1
1
0
1
1
1
1
Y2
1
1
1
0
1
1
1
1
1
Y1
1
1
0
1
1
1
1
1
1
Y0
1
0
1
1
1
1
1
1
1
C
x
0
0
0
0
1
1
1
1
B
x
0
0
1
1
0
0
1
1
A
x
0
1
0
1
0
1
0
1
V
DD
IN
IN
IN
IN
IN
IN
OUT
INPUTS OUTPUTS
1
2
3
4
5
6
7
A
B
C
EN1
EN2
EN3
Y7
8
10
11
12
13
14
15
16
9
0
1
x
EN =
EN1
•
EN2
• EN3
GND
OUT
4
1
2
3
15
14
13
A
B
C
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
EN
5
6
EN1
EN2
EN3
Y0
OUT
Y1
OUT
Y2
OUT
Y3
OUT
Y4
OUT
Y5
OUT
Y6
12
11
10
9
7
: LOW LEVEL
: HIGH LEVEL
: DON’T CARE
C-MOS 3-TO-8 LINE DECODER/DEMULTIPLEXER
—TOP VIEW—
PORT 1
CLOCK
OSC
79 78 77 76 75 74 73 72
P1
7
/TMO
P1
6
/IRQ
1
P1
5
/IRQ
0
P1
4
/WAIT
P1
3
/BREQ
P1
2
/BACK
P1
1
/E
P1
0
/Ø
8
7
6
9
10
MD
2
MD
1
MD
0
STBY
RES
11
NMI
70
69
XTAL
EXTAL
PORT 2
4 3 2 1
80
P2
4
/WR
P2
3
/RD
P2
2
/DS
P2
1
/R/W
P2
0
/AS
PORT 3
20 19 18 17 16 15 14 13
P3
7
/D
7
P3
6
/D
6
P3
5
/D
5
P3
4
/D
4
P3
3
/D
3
P3
2
/D
2
P3
1
/D
1
P3
0
/D
0
68 67 66 65 64 63 62 61
P9
7
/SCK
P9
6
/RXD
P9
5
/TXD
P9
4
/PW
3
P9
3
/PW
2
P9
2
/PW
1
P9
1
/FTOA
3
P9
0
/FTOA
2
PORT 9 PORT 7
50 49 48 47 46 45 44 43
P7
7
/FTOA
1
P7
6
/FTOB
3
/FTCI
3
P7
5
/FTOB
2
/FTCI
2
P7
4
/FTOB
1
/FTCI
1
P7
3
/FTI
3
/TMRI
P7
2
/FTI
2
P7
1
/FTI
1
P7
0
/TMC
1
PORT 8
59 58 57 56 55 54 53 52
P8
7
/AN
7
P8
6
/AN
6
P8
5
/AN
5
P8
4
/AN
4
P8
3
/AN
3
P8
2
/AN
2
P8
1
/AN
1
P8
0
/AN
0
PORT 4
21
22
23
24
25
26
27
28
P4
0
/A
0
P4
1
/A
1
P4
2
/A
2
P4
3
/A
3
P4
4
/A
4
P4
5
/A
5
P4
6
/A
6
P4
7
/A
7
PORT 5
30
31
32
33
34
35
36
37
P5
0
/A
8
P5
1
/A
9
P5
2
/A
10
P5
3
/A
11
P5
4
/A
12
P5
5
/A
13
P5
6
/A
14
P5
7
/A
15
PORT 6
38
39
40
41
P6
0
/A
16
P6
1
/A
17
P6
2
/A
18
P6
3
/A
19
WAIT
STATE
CONTROLLER
SERIAL
COMMUNICATION
INTERFACE
PWM TIMER
( x 3 CHANNEL)
10-BIT
A/D CONVERTER
16-BIT FREE
RUNNING TIMER
( x 3 CHANNEL)
WATCHDOG
TIMER
8-BIT
TIMER
RAM
1k BYTE
INTERRUPT
CONTROLLER
DATA
TRANSFER
CONTROLLER
CPU
PROM/MASK OM
32k BYTE
DATA BUS
(LOW ORDER
)
DATA BUS
(HIGH ORDER
)
ADDRESS BUS
A A Y = Y
14 13
V
DD
GND
12 11 10 9 8
7 6 5 4 3 2 1
A
0
1
Y
1
0
0 : LOW LEVEL
1 : HIGH LEVEL
Y =
A
C-MOS HEX INVERTERS
—TOP VIEW—
SN74HC08APW-E05 (TI)FLAT PACKAGE
SN74HC138APW-E05 (TI)FLAT PACKAGE
SN74HC04APW-E05
SN74HC04APW-E20 (TI)FLAT PACKAGE
SN75158PS (TI)
SN75158PS-E05
1Z
1Y
1A
1
2
3
4
8
7
6
5
2Z
2Y
2A GND
V
CC
DUAL DIFFERENTIAL LINE DRIVE
—TOP VIEW—
1 2 3 4 5 6 7
14 13 12 11 10 9 8
GND
V
DD
A
0
0
1
1
B
0
1
0
1
Y
0
0
0
1
0
1
: LOW LEVEL
: HIGH LEVEL
A
B
A
B
Y Y =
Y = A • B =
A
+
B
C-MOS QUAD 2-INPUT AND GATES
—TOP VIEW—