Sony HKC-7081, Руководство по установке и обслуживанию

Страница: 60 / 92

5-8
HKC-7081
IC
MC74HC4052F (MOTOROLA)
MC74HC4052FEL
1
2
3
4
5
6
7
8
Y0
IN/OUT
Y2
IN/OUT
YC
IN/OUT
Y3
IN/OUT
Y1
IN/OUT
EN
IN
V
EE
GND
16
15
14
13
12
11
10
9
V
DD
X2
IN/OUT
X1
IN/OUT
XC
IN/OUT
X0
IN/OUT
X3
IN/OUT
A
IN
B
IN
12
14
15
11
1
5
2
4
10
9
X0
X1
X2
X3
Y0
Y1
Y2
Y3
A
B
6 7
EN V
EE
OPEN
OPEN
CONTROL
INPUTS
EN B A
“ON”
CHANNEL
0
1
x
: LOW LEVEL
: HIGH LEVEL
: DON’T CARE
XC
YC
13
3
0
0
0
0
1
0
0
1
1
x
0
1
0
1
x
0
1
2
3
OPEN
C-MOS DUAL 4-CHANNEL ANALOG MULTIPLEXER/DEMULTIPLEXER
—TOP VIEW—
PCF8574T-T (PHILIPS)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A0
IN
A1
IN
A2
IN
P0 I/O
P1
I/O
P2
I/O
P3
I/O
SDA
SCL
INT
P7
I/O
P6
I/O
P5
I/O
P4
I/O
13
4
5
6
7
9
10
11
12
15
INT
P0
P1
P2
P3
P4
P5
P6
P7
SDA
A0
A1
A2
SCL
1
2
3
14
INPUT
A0 - A2
SCL
OUTPUT
INT
SDA
INPUT/OUTPUT
P0 - P7
; ADDRESS INPUTS
; SYSTEM CLOCK LINE
; INTERRUPT OUTPUT
; SERIAL DATA LINE
; 8-BITS QUASI-BIDIRECTIONAL I/O PORT
GND
V
DD
C-MOS REMOTE 8-BIT I/O EXPANDER
—TOP VIEW—
INTERRUPT
LOGIC
INPUT
FILTER
POWER-ON
RESET
LP FILTER
SHIFT
REGISTER
I/O
PORTS
8 BIT
INT
13
A0
1
A1
2
A2
3
SCL
14
SDA
15
V
DD
16
V SS
8
PCF8574
PCF8574A
P0
4
P1
5
P2
6
P3
7
P4
9
P5
10
P6
11
P7
12
write pulse
read pulse
I 2 C BUS
CONTROL
MC74ACT86M (MOTOROLA)
GND
V
DD
1 2 3 4 5 6 7
8
0
1 : LOW LEVEL
: HIGH LEVEL
A
B
Y
A
0
0
1
1
Y
0
1
1
0
B
0
1
0
1
Y =
A
• B + A •
B
14 13 12 11 10 9
C-MOS QUAD EXCLUSIVE OR GATES
—TOP VIEW—
PCF8591T (PHILIPS)
AIN0
AIN1
AIN2
AIN3
A0
A1
A2
1
2
3
4
5
6
7
8
V
DD
AOUT
EXT
OSC
SCL
SDA
16
15
14
13
12
11
10
9
VREF
AGND
V
SS
1
2
3
4
5
6
7
9
10
11
12
AIN0
AIN1
AIN2
AIN3
A0
A1
A2
SDA
SCL
OSC
EXT
15
AOUT
INPUTS
A0 - A2
AIN0 - AIN3
EXT
OUTPUT
AOUT
INPUTS/OUTPUTS
OSC
SCL
SDA
: HARDWARE ADDRESS
: ANALOGUE (A/D CONVERTER)
: EXTERNAL/INTERNAL SWITCH FOR OSCILLATOR
: ANALOGUE (D/A CONVERTER)
: OSCILLATOR
: I
2
C BUS CLOCK
: I
2
C BUS DATA
C-MOS 8-BIT A/D AND D/A CONVERTER
—TOP VIEW—
SCL
SDA
A0
A1
A2
10
9
7
5
6
I
2
C BUS
INTERFACE
STATUS
REGISTER
DAC DATA
REGISTER ADC DATA
REGISTER
CONTROL
LOGIC
EXT
V
DD
V
SS
OSC
12
16
8
11
POWER ON
RESET
OSCILLATOR
AIN0
AIN1
AIN2
AIN3
1
2
3
4
AOUT
15
ANALOGUE
MULTI-
PLEXER
S/H
COMPA-
RATOR
+
_
SUCCESSIVE
APPROXIMATION
REGISTER/LOGIC
DAC
VREF
AGND
14
13
S/H