Sony RM-B150 Maintenance Manual page 43

PORT 1 PORT 2
69
EXTAL
CLOCK
70
OSC
XTAL
10
RES
WAIT
RAM
9
STBY STATE
1 k BYTE
6 CONTROLLER
MD
0
7
MD
1
8
MD
2
INTERRUPT
CONTROLLER
DATA
TRANSFER
CONTROLLER
11
NMI
SERIAL
COMMUNICATION
INTERFACE
PWM TIMER
(x 3 CHANNEL)
10-BIT
A/D CONVERTER
PORT 9 PORT 8
RM-B150
PORT 3
28
P4 /A
7 7
27
P4 /A
6 6
26
P4 /A
5 5
25
P4 /A
4 4
24
P4 /A
3 3
MASK ROM
23
32 k BYTE P4 /A
2 2
22
P4 /A
1 1
21
P4 /A
0 0
CPU
37
P5 /A
7 15
36
P5 /A
6 14
35
P5 /A
5 13
34
P5 /A
4 12
33
8-BIT
P5 /A
3 11
TIMER 32
P5 /A
2 10
31
P5 /A
1 9
30
P5 /A
0 8
16-BIT FREE
RUNNING TIMER
(x 3 CHANNEL)
WATCHDOG
41
TIMER P6 /A
3 19
40
P6 /A
2 18
39
P6 /A
1 17
38
P6 /A
0 16
PORT 7
SN74HC163APW-E05 (TI)FLAT PACKAGE
C-MOS PRESETTABLE SYNCHRONOUS 4-BIT BINARY COUNTER
—TOP VIEW—
RD
IN 1 V 16
DD
CK IN 2 15
CO OUT
A (DATA A) 3 14
IN QA
OUT
B (DATA B) 4 13
IN QB
OUT
C (DATA C) IN 5 12
QC OUT
D (DATA D) 6 11
IN QD OUT
EN1 7 10
IN EN2
IN
LD
8 GND 9
IN
COUNT SEQUENCE
MODE SELECTION
CONTROL INPUTS
MODE
RD LD EN1 EN2
RESET
0 x x x
(SYNCHRONOUS)
PRESET
1 0 x x
(SYNCHRONOUS)
1 1 0 x NO COUNT
1 1 x 0 NO COUNT
1 1 1 1 COUNT
CARRY OUTPUT "CO"
QA
QB
QC
CO
QD
EN2
CO IS HIGH WHEN EN2 INPUT IS
HIGH AND COUNT IS "15".
SN74HC573BPW-E05
SN74HC573BPW-E20 (TI)FLAT PACKAGE
C-MOS 3-STATE OUTPUTS OCTAL LATCHES
—TOP VIEW—
2
D1
OE
1 V 20
DD 3
IN
D2
4
D3
D1 2 19 Q1
IN OUT 5
D4
6
D5
D2 3 18 Q2
IN OUT 7
D6
8
D7
D3 4 17 Q3
IN OUT 9
D8
11
5 16
D4 Q4
IN OUT
1
D5 Q5
IN 6 15 OUT
D1
D6 7 14 Q6
IN OUT
2
D7 8 13 Q7
IN OUT
D8 9 12 Q8
IN OUT
11
CK
CK
10 11
IN
GND
1
OE
TC4W66FU(TE12R) (TOSHIBA)FLAT PACKAGE
C-MOS DUAL BILATERAL SWITCH
—TOP VIEW—
1 2
1 8 V
DD
2 7
7
3 6
GND 4 5 5 6
IN/OUT
3
CONTROL
CONTROL
0
1
0 : LOW LEVEL
1 : HIGH LEVEL
9
LD
3 14
A QA
4 13
B QB
12
5
C QC
6 11
D QD
2
7 15
EN1 CO
10
EN2
RD
1
OUTPUTS
COUNT
QD QC QB QA
0
0 0 0 0
1
0 0 0 1
2
0 0 1 0
3
0 0 1 1
4
0 1 0 0
5
0 1 0 1
6
0 1 1 0
7 0 1 1 1
8 1 0 0 0
9 1 0 0 1
10 1 0 1 0
11 1 0 1 1
12 1 1 0 0
13 1 1 0 1
14 1 1 1 0
15 1 1 1 1
INPUT OUT
19
Q1
18 OE CK D Q
Q2
17 0 1 1 1
Q3
0 0 0
1
16
Q4
0 0 x Qo
15
Q5
1 x x HI-Z
14
Q6
13
0 : LOW LEVEL
Q7
12
1 : HIGH LEVEL
Q8
x : DON'T CARE
OE
HI-Z : HIGH IMPEDANCE
Qo : NO CHANGE
Q1 D2 Q2 D3 Q3 D4 Q4 D5 Q5 D6 Q6 D7 Q7 D8 Q8
19 3 18 4 17 5 16 6 15 7 14 8 13 9 12
D Q D Q
OE OE
IN/OUT
SWITCH
OFF
ON
5-9
IC