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參數(shù)資料
| 型號： | PCF8593 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | XO, clock |
| 英文描述： | Low power clock/calendar(低功耗時鐘/日歷) |
| 中文描述： | REAL TIME CLOCK |
| 文件頁數(shù)： | 17/28頁 |
| 文件大?。?/td> | 197K |
| 代理商： | PCF8593 |
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1997 Mar 25
17
Philips Semiconductors
Product specification
Low power clock/calendar
PCF8593
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.17.
9.2
Clock/calendar READ/WRITE cycles
The I
2
C-bus configuration for the different PCF8593 READ and WRITE cycles is shown in Figs 18, 19 and 20.
Fig.17 Slave address.
handbook, halfpage
MBD821
1
0
1
0
0
0
1
R/W
group 1
group 2
Fig.18 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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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PCF8593P | 制造商:NXP Semiconductors 功能描述:Clock/Calendar/Alarm/Timer/Interrupt Serial (I2C) Bulk 制造商:NXP Semiconductors 功能描述:IC RTC/CALENDAR 8593 DIP8 制造商:NXP Semiconductors 功能描述:IC, RTC/CALENDAR, 8593, DIP8 制造商:NXP Semiconductors 功能描述:IC, RTC/CALENDAR, 8593, DIP8; Date Format:DD:MM:YYYY; Clock Format:HH:MM:SS; Clock IC Type:Clock, Calendar; Supply Voltage Min:1V; Supply Voltage Max:6V; Digital IC Case Style:DIP; No. of Pins:8; Interface Type:I2C; Operating ;RoHS Compliant: Yes |
| PCF8593P,112 | 功能描述:實時時鐘 CLOCK/CALENDAR LOW PWR 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: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| PCF8593P112 | 制造商:NXP Semiconductors 功能描述:IC RTC YY-MM-DD-dd DIP-8 制造商:NXP Semiconductors 功能描述:IC RTC/CALENDAR 8593 DIP8 |
| PCF8593T | 制造商:PHILIPS-SEMI 功能描述: 制造商:NXP Semiconductors 功能描述:Real Time Clock, 8 Pin, Plastic, SOP |
| PCF8593T/1 | 制造商:NXP Semiconductors 功能描述:Real Time Clock, 8 Pin, Plastic, SOP |
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