PCF8573P NXP Semiconductors, PCF8573P Datasheet - Page 12

• Manufacturer Part Number: PCF8573P
• Manufacturer: NXP Semiconductors

Specifications of PCF8573P

• Time Format: HH:MM:SS
• Package Type: PDIP
• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 16
• Mounting: Through Hole
• Lead Free Status / Rohs Status: Compliant

Philips Semiconductors
Acknowledgement response of the PCF8573 as slave-receiver is shown in Table 6. Note that data is only associated
with the ‘execute address’ function where C0, C1, C2 = 0, 0, 0.
Table 6 Slave receiver acknowledgement; note 1
Note
1. ‘X’ is ‘don’t care’.
To read the addressed part of the time counter and alarm register, plus information from specified control/status flags,
the BCD digits in the DATA byte are organized as shown in Table 7.
The status of the CONTROL-nibble of the MODE-POINTER-WORD (C2, C1, C0) remains unchanged until re-written.
Table 7 Organization of the BCD digits in the DATA byte; note 1
Note
1. ‘D’ is the data bit; ‘m’ = minutes; ‘s’ = seconds.
2003 Jan 27
BIT 8
Clock/calendar with serial I/O
MSB
UD
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
UPPER DIGIT
UC
C2
D
X
0
0
0
0
0
1
1
1
1
0
0
0
0
UB
C1
D
D
D
X
0
0
0
1
1
0
0
1
1
0
0
MODE POINTER
UA
C0
m
X
D
D
D
D
0
0
1
0
1
0
1
0
1
DATA
BIT 4
LD
X
X
X
X
X
X
X
X
D
D
D
D
0
1
s
NODA
LOWER DIGIT
LC
B2
X
X
X
X
X
X
X
X
X
X
D
D
D
D
12
COMP
B1
LB
X
X
X
X
X
X
X
X
X
X
D
D
D
D
POWF
LSB
B0
LA
D
D
D
D
X
X
X
X
X
X
X
X
X
X
hours
minutes
days
months
control/status flags
ADDRESS
ACKNOWLEDGE ON BYTE:
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
ADDRESSED TO:
POINTER
MODE
Product specification
yes
yes
yes
yes
yes
yes
yes
no
no
no
PCF8573
DATA
yes
no
no
no
no
no
no
no
no
no