DS1050 DALLAS [Dallas Semiconductor], DS1050 Datasheet - Page 10

• Manufacturer Part Number: DS1050
• Description: 5-Bit, Programmable, Pulse-Width Modulator: 1kHz, 5kHz, 10kHz, and 25kHz
• Manufacturer: DALLAS [Dallas Semiconductor]

BLOCK DIAGRAM Figure 1
2-WIRE ADDRESSABLE SERIAL PORT OVERVIEW Figure 2
COMMAND/CONTROL BYTE Figure 3
SDA
SCL
C ondition
SDA
SCL
Start
A0
A1
A2
m sb
1
Serial Port
2
msb
Identifier
OSCILLATOR
slave address
0
CONTROL LOGIC
Device
1
6
0
7
SHUTDOWN
CIRCUITRY
CONTROL
direction
r/w
8
bit
1
signal from receiver
acknowledgem ent
Address
A2
Device
10 of 17
AC K
9
DRIVER
A1 A0
v
GND
cc
1
Read/Write
r/w
repeated if m ore bytes
2
lsb
PWM
are transferred
Bit
3-7
O
signal from receiver
acknowledgem ent
8
AC K
9
Stop C ondition
Start C ondition
or repeated