參數(shù)資料
型號(hào): PCA8565
廠商: NXP Semiconductors N.V.
英文描述: Real time clock/calender
中文描述: 實(shí)時(shí)時(shí)鐘/ calender
文件頁(yè)數(shù): 5/26頁(yè)
文件大?。?/td> 581K
代理商: PCA8565
Philips Semiconductors
PCA8565
Real time clock/calender
Product data
Rev. 01 — 31 March 2003
5 of 26
9397 750 10695
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
8.6 Register organization
Fig 4.
Voltage-low detection.
handbook, halfpage
VL set
normal power
operation
period of battery
operation
t
Vlow
MGR887
Table 4:
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
00H
control/status 1
TEST1
0
01H
control/status 2
0
0
0DH
CLKOUT control
FE
x
0EH
timer control
TE
x
0FH
timer
Binary formatted registers overview
Bit 5
STOP
0
x
x
Bit 4
0
TI/TP
x
x
<timer countdown value>
Bit 3
TESTC
AF
x
x
Bit 2
0
TF
x
x
Bit 1
0
AIE
FD1
TD1
Bit 0
0
TIE
FD0
TD0
Table 5:
Bit positions labelled as x are not implemented.
Address
Register name
BCD formatted registers overview
BCD format tens nibble
Bit 7
2
3
2
2
VL
x
x
x
x
x
x
x
C
x
BCD format units nibble
Bit 3
2
3
2
2
<seconds 00 to 59 coded in BCD>
<minutes 00 to 59 coded in BCD>
<hours 00 to 23 coded in BCD>
<days 01 to 31 coded in BCD>
x
x
<months 01 to 12 coded in BCD>
<years 00 to 99 coded in BCD>
<minute alarm 00 to 59 coded in BCD>
<hour alarm 00 to 23 coded in BCD>
<day alarm 01 to 31 coded in BCD>
x
x
Bit 6
Bit 5
2
1
Bit 4
2
0
Bit 2
Bit 1
2
1
Bit 0
2
0
02H
03H
04H
05H
06H
07H
08H
09H
0AH
0BH
0CH
seconds
minutes
hours
days
weekdays
months/century
years
minute alarm
hour alarm
day alarm
weekday alarm
x
x
<weekdays 0 to 6>
AE
AE
AE
AE
x
x
x
x
<weekday alarm 0 to 6>
相關(guān)PDF資料
PDF描述
PCA8581C 128 x 8-bit EEPROM with I2C-bus interface
PCA8581CP 128 x 8-bit EEPROM with I2C-bus interface
PCA8581CT 128 x 8-bit EEPROM with I2C-bus interface
PCA8581P 128 x 8-bit EEPROM with I2C-bus interface
PCA8581T 128 x 8-bit EEPROM with I2C-bus interface
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