Philips Semiconductors
Product specification
Low power clock/calendar
PCF8593
handbook, full pagewidth
MUX
oscillator
mode
select
counter
control
CLOCK/CALENDAR
TIMER
ALARM
clock
alarm
alarm
control
timer
alarm
timer
control
overflow
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
CONTROL/STATUS
ALARM
(1)
CONTROL
REGISTER
REGISTER
alarm
interrupt
timer overflow
interrupt
INT
MBD818
(1) If the alarm enable bit of the control/status register is reset (logic 0), a 1 Hz signal can be observed on the interrupt pin INT.
Fig.11 Alarm and timer interrupt logic diagram.
1997 Mar 25
13
NXP [ NXP ]
