CY7B923
CY7B933
PROTOCOL
LOGIC
7B923
TRANSMIT
TER
TRANSMIT
MESSAGE
BUFFER
7B933
RECEIVER
HOST
SERIAL LINK
HOST
Figure 1. HOTLink System Connections
CY7B923 Transmitter Pin Configurations
SOIC
Top View
OUTB−
OUTC−
OUTC+
V
CCN
BISTEN
GND
MODE
RP
V
CCQ
SVS(D
j
)
(D
h
) D
7
(D
g
)D
6
(D
f
)D
5
(D
i
)D
4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
7B923
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CY7B933 Receiver Pin Configurations
SOIC
Top View
OUTB+
OUTA+
OUTA−
FOTO
ENN
ENA
V
CCQ
CKW
GND
SC/D(D
a
)
D
0
(D
b
)
D
1
(D
c
)
D
2
(D
d
)
D
3
(D
e
)
INA−
INA+
A/B
BISTEN
RF
GND
RDY
GND
V
CCN
RVS(Q
j
)
(Q
h
) Q
7
(Q
g
) Q
6
(Q
f
) Q
5
(Q
i
) Q
4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
7B933
28
27
26
25
24
23
22
21
20
19
18
17
16
15
PLCC/LCC
Top View
V
CCN
OUTC+
OUTC−
OUTB−
OUTB+
OUTA+
OUTA−
PLCC/LCC
Top View
BISTEN
A/B
INA+
INA−
INB (INB+)
SI (INB−)
MODE
4 3 2 1 28 2726
BISTEN
GND
MODE
RP
V
CCQ
SVS(D
j
)
(D
h
)D
7
5
6
7
7B923
8
9
10
11 1213 14 15 16 1718
25
24
23
22
21
20
19
FOTO
ENN
ENA
V
CCQ
CKW
GND
SC/D(D
a
)
4 3 2 1 28 2726
D
6
D
5
D
4
D
3
D
2
D
1
D
0
RF
GND
RDY
GND
V
CCN
RVS (Q
j
)
(Q
h
) Q
7
5
6
7
7B933
8
9
10
11 1213 14 15 16 1718
25
24
23
22
21
20
19
(D
g
)
(D
f
)
(D
i
)
(D
e
)
(D
d
)
(D
c
)
(D
b
)
Document #: 38-02017 Rev. *E
(Q
g
)
(Q
f
)
(Q
i
)
(Q
e
)
(Q
d
)
(Q
c
)
(Q
b
)
Q
6
Q
5
Q
4
Q
3
Q
2
Q
1
Q
0
RECEIVE
MESSAGE
BUFFER
INB(INB+)
SI(INB− )
MODE
REFCLK
V
CCQ
SO
CKR
V
CCQ
GND
SC/D (Q
a
)
Q
0
(Q
b
)
Q
1
(Q
c
)
Q
2
(Q
d
)
Q
3
(Q
e
)
REFCLK
V
CCQ
SO
CKR
V
CCQ
GND
SC/D (Q
a
)
Page 2 of 33
PROTOCOL
LOGIC
CYPRESS [ CYPRESS SEMICONDUCTOR ]
