PCF8584P,112 NXP Semiconductors, PCF8584P,112 Datasheet - Page 19

• Manufacturer Part Number: PCF8584P,112
• Description: IC CTRL PARALLEL/I2C BUS 20-DIP
• Manufacturer: NXP Semiconductors

Specifications of PCF8584P,112

• Package / Case: 20-DIP (0.300", 7.62mm)
• Controller Type: Parallel Bus to I²C Bus Controller
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 1.5mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: Through Hole
• Operating Supply Voltage: 4.5 V to 5.5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-3532-5; 935069300112; PCF8584PN

Philips Semiconductors
1997 Oct 21
handbook, full pagewidth
I
2
C-bus controller
TRANSMITTER
yes
no
SLAVE
MODE
read byte from S1 register
write data to S0 register
write last data byte
ACK received?
to S0 register
PIN bit = 0?
(LRB = 1?)
negative
END
TX
yes
no
R/W = 1
Fig.9 Slave receiver/slave transmitter modes.
no
no
read byte from S1 register
read byte from S1 register
read byte from S0 register
PCF8584 goes into
addressed as slave
PIN deactivated
(LSB = 1 or 0?)
slave receiver
read or write?
PIN bit = 0?
(AAS = 1?)
A0 = HIGH
A0 = LOW
(set to '1')
START
mode
yes
yes
19
read byte from S1 register
read data from S0 register
A0 = HIGH
A0 = LOW
R/W = 0
read last data byte
STOP detected?
from S0 register
PIN bit = 0?
(STS = 1?)
END
RX
yes
no
RECEIVER
SLAVE
MODE
Check whether
'addressed as slave'
Check that 'own address'
has arrived correctly
Read incoming address to
determine if the R/W bit is 0 or 1
This will differentiate between
slave receiver or slave
transmitter modes.
MBE713
yes
no
Product specification
PCF8584