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參數(shù)資料
| 型號： | PCF8583 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | XO, clock |
| 英文描述： | Clock/calendar with 240×8-bit RAM(帶240×8位RAM的時鐘/日歷) |
| 中文描述： | REAL TIME CLOCK |
| 文件頁數(shù)： | 16/28頁 |
| 文件大?。?/td> | 162K |
| 代理商： | PCF8583 |
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1997 Jul 15
16
Philips Semiconductors
Product specification
Clock/calendar with 240
×
8-bit RAM
PCF8583
9
I
2
C-BUS PROTOCOL
9.1
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 clock/calendar 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 clock/calendar slave address is shown in Fig.16. Bit A0 corresponds to hardware address pin A0. Connecting this
pin to V
DD
or V
SS
allows the device to have one of two different addresses.
9.2
Clock/calendar READ/WRITE cycles
The I
2
C-bus configuration for the different PCF8583 READ and WRITE cycles is shown in Figs 17, 18 and 19.
Fig.16 Slave address.
handbook, halfpage
MRB016
1
0
1
0
0
0
A0 R/W
group 1
group 2
Fig.17 Master transmits to slave receiver (WRITE) mode.
handbook, full pagewidth
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 |
|---|---|
| PCF8583BS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Clock and calendar with 240 x 8-bit RAM |
| PCF8583BS,518 | 功能描述:實時時鐘 CLOCK CALENDAR W 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 時間格式:HH:MM:SS RTC 存儲容量: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 |
| PCF8583BS-T | 功能描述:實時時鐘 CLOCK CALENDAR W 256X8SRAM I2C 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 時間格式:HH:MM:SS RTC 存儲容量: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 |
| PCF8583P | 制造商:NXP Semiconductors 功能描述:Clock/Calendar/Alarm/Timer/Interrupt Serial (2-Wire, I2C) 制造商:NXP Semiconductors 功能描述:IC CLOCK CALENDAR/SRAM 8583 DIP8 制造商:NXP Semiconductors 功能描述:IC, CLOCK CALENDAR/SRAM, 8583, DIP8 制造商:NXP Semiconductors 功能描述:Clock/calendar with 2408-bit RAM |
| PCF8583P/F5 | 制造商:NXP Semiconductors 功能描述:Real Time Clock Serial 240Byte 8-Pin PDIP Tube |
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