參數(shù)資料
型號(hào)： PCF8563
廠商： NXP Semiconductors N.V.
英文描述： Real-time clock/calendar(實(shí)時(shí)時(shí)鐘/日歷)
中文描述： 實(shí)時(shí)時(shí)鐘/日歷（實(shí)時(shí)時(shí)鐘/日歷）
文件頁(yè)數(shù)： 15/30頁(yè)
文件大?。?/td> 676K
代理商： PCF8563
Philips Semiconductors
PCF8563
Real-time clock/calendar
Product specification
16 April 1999
15 of 30
9397 750 04855
Philips Electronics N.V. 1999. All rights reserved.
8.9.5
I
2
C-bus protocol
Addressing:
Before any data is transmitted on the I
2
C-bus, the device which should
respond is addressed first. The addressing is always carried out with the first byte
transmitted after the start procedure.
The PCF8563 acts as a slave receiver or slave transmitter. Therefore the clock signal
SCL is only an input signal, but the data signal SDA is a bidirectional line.
The PCF8563 slave address is shown in
Figure 10
.
Clock/calendar read/write cycles:
The I
2
C-bus configuration for the different
PCF8563 read and write cycles are shown in
Figure 11
,
12
and
13
. The word
address is a four bit value that defines which register is to be accessed next. The
upper four bits of the word address are not used.
Fig 10. Slave address.
Fig 11. Master transmits to slave receiver (write mode).
handbook, halfpage
MRB016
1
0
1
0
0
0
A0 R/W
group 1
group 2
width
S
0 A
SLAVE ADDRESS
WORD ADDRESS
A
A
DATA
P
acknowledgement
from slave
acknowledgement
from slave
acknowledgement
from slave
R/W
auto increment
memory word address
MBD822
n bytes
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCF8563_11 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Real-time clock/calendar
PCF8563BS 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Real-time clock/calendar
PCF8563BS/4 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Real-time clock/calendar
PCF8563BS/4,118 功能描述:實(shí)時(shí)時(shí)鐘 ULTRA LOW POWER RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
PCF8563BS/4-T 功能描述:實(shí)時(shí)時(shí)鐘 ULTRA LOW POWER CLOCK CALENDAR RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
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