PCA8565 查看數據表（PDF） - Philips Electronics
零件编号
产品描述 (功能)
生产厂家
PCA8565 Datasheet PDF : 26 Pages
| |||
Philips Semiconductors
PCA8565
Real time clock/calender
handbook, halfpage
VDD
MGR887
period of battery
operation
normal power
operation
Vlow
Fig 4. Voltage-low detection.
VL set
t
8.6 Register organization
Table 4: Binary formatted registers overview
Bit positions labelled as x are not implemented, those labelled with 0 should always be written with logic 0.
Address Register name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
00H
control/status 1
TEST1 0
STOP 0
TESTC 0
0
01H
control/status 2
0
0
0
TI/TP AF
TF
AIE
0DH
CLKOUT control
FE
x
x
x
x
x
FD1
0EH
timer control
TE
x
x
x
x
x
TD1
0FH
timer
<timer countdown value>
Bit 0
0
TIE
FD0
TD0
Table 5: BCD formatted registers overview
Bit positions labelled as x are not implemented.
Address Register name
BCD format tens nibble
BCD format units nibble
Bit 7
23
Bit 6
22
Bit 5
21
Bit 4
20
Bit 3
23
Bit 2
22
Bit 1
21
Bit 0
20
02H
seconds
VL
<seconds 00 to 59 coded in BCD>
03H
minutes
x
<minutes 00 to 59 coded in BCD>
04H
hours
x
x
<hours 00 to 23 coded in BCD>
05H
days
x
x
<days 01 to 31 coded in BCD>
06H
weekdays
x
x
x
x
x
<weekdays 0 to 6>
07H
months/century
C
x
x
<months 01 to 12 coded in BCD>
08H
years
<years 00 to 99 coded in BCD>
09H
minute alarm
AE
<minute alarm 00 to 59 coded in BCD>
0AH
hour alarm
AE
x
<hour alarm 00 to 23 coded in BCD>
0BH
day alarm
AE
x
<day alarm 01 to 31 coded in BCD>
0CH
weekday alarm
AE
x
x
x
x
<weekday alarm 0 to 6>
9397 750 10695
Product data
Rev. 01 — 31 March 2003
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
5 of 26
Share Link: 