saa4700 NXP Semiconductors, saa4700 Datasheet - Page 10

no-image

saa4700

Manufacturer Part Number
saa4700
Description
Vps Dataline Processor
Manufacturer
NXP Semiconductors
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
saa4700T
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Philips Semiconductors
I
Remarks to I
March 1991
2
S
SLAVE ADDRESS
A
DATA
P
C-BUS FORMAT
the MSB of each word is transmitted first
there is no restriction on the number of words to be transmitted, but if more than five words are requested, the following
content will be “FF” continuously.
Normally every dataline transmission has to be ended with STOP condition by non-acknowledge of the controller.
VPS dataline processor
S
handbook, full pagewidth
SLAVE ADDRESS
2
C-bus transmission
=
=
=
=
=
CVBS
V P
A
4.7 k
22
nF
start condition
0010 0001 or 0010 0011 for set input AD = HIGH respectively LOW on pin 7
(the circuit is only a slave transmitter)
acknowledge, generated by the slave or the master
five data bytes, see words in Table 1
stop condition respectively non-acknowledge by the microcontroller
1 nF
5 V
DATA
n.c.
18
8.2 k
1
470
pF
17
2
4.7
4.7
nF
nF
A
Fig.6 Application circuit.
16
3
0.1 F
DATA
15
4
SAA4700
10
14
5
0.1
F
A
CSO
13
6
75 k
(2%)
DAV
DATA
12
7
SCL
11
8
A
SDA
MEH135
10
9
DATA
Preliminary specification
A
SAA4700
DATA
P

Related parts for saa4700