參數資料
| 型號： | CDP68HC68T1M |
| 廠商： | Intersil |
| 文件頁數： | 1/23頁 |
| 文件大小： | 0K |
| 描述： | IC RTC 32X8 NVSRAM CMOS 20-SOIC |
| 標準包裝： | 380 |
| 類型： | 時鐘/日歷 |
| 特點： | 警報器，閏年，方波輸出，監視計時器 |
| 存儲容量： | 32B |
| 時間格式： | HH:MM:SS（12/24 小時） |
| 數據格式： | YY-MM-DD-dd |
| 接口： | SPI |
| 電源電壓： | 3 V ~ 6 V |
| 電壓 - 電源，電池： | 2.2 V ~ 6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SOIC（0.295"，7.50mm 寬） |
| 供應商設備封裝： | 20-SOIC W |
| 包裝： | 管件 |
1
FN1547.8
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Harris Corporation 1997. Copyright Intersil Americas Inc. 2001, 2004-2007. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
CDP68HC68T1
CMOS Serial Real-Time Clock With RAM
and Power Sense/Control
The CDP68HC68T1 Real-Time Clock provides a
time/calendar function, a 32 byte static RAM, and a 3 wire
Serial Peripheral Interface (SPI Bus). The primary function of
the clock is to divide down a frequency input that can be
supplied by the on-board oscillator in conjunction with an
external crystal or by an external clock source. The internal
oscillator can operate with a 32kHz, 1MHz, 2MHz, or 4MHz
crystal. An external clock source with a 32kHz, 1MHz, 2MHz,
4MHz, 50Hz or 60Hz frequency can be used to drive the
CDP68HC68T1. The time registers hold seconds, minutes,
and hours, while the calendar registers hold day-of-week,
date, month, and year information. The data is stored in BCD
format. In addition, 12 or 24 hour operation can be selected.
In 12 hour mode, an AM/PM indicator is provided. The T1
has a programmable output which can provide one of seven
outputs for use elsewhere in the system.
Computer handshaking is controlled with a “wired-OR” interrupt
output. The interrupt can be programmed to provide a signal as
the result of:
1. An alarm programmed to occur at a predetermined
combination of seconds, minutes, and hours.
2. One of 15 periodic interrupts ranging from sub-second to
once per day frequency.
3. A power fail detect. The PSE output and the VSYS input are
used for external power control. The CPUR output is
available to reset the processor under power-down
conditions. CPUR is enabled under software control and
can also be activated via the CDP68HC68T1’s watchdog. If
enabled, the watchdog requires a periodic toggle of the CE
pin without a serial transfer.
Features
SPI (Serial Peripheral Interface)
Full Clock Features
- Seconds, Minutes, Hours (12/24, AM/PM), Day of
Week, Date, Month, Year (0 to 99), Automatic Leap Year
32 Wordx8-Bit RAM
Seconds, Minutes, Hours Alarm
Automatic Power Loss Detection
Low Minimum Standby (Timekeeping) Voltage . . . . . 2.2V
Selectable Crystal or 50/60Hz Line Input
Buffered Clock Output
Battery Input Pin that Powers Oscillator and also
Connects to VDD Pin When Power Fails
Three Independent Interrupt Modes
-Alarm
- Periodic
- Power-Down Sense
Pb-Free Available (RoHS Compliant)
Pinouts
CDP68HC68T1
(16 LD PDIP, SOIC)
TOP VIEW
CDP68HC68T1
(20 LD SOIC)
TOP VIEW
9
10
11
12
13
14
16
15
8
7
6
5
4
3
2
1
CLKOUT
CPUR
INT
SCK
MOSI
MISO
VSS
CE
VDD
XTAL IN
VBATT
VSYS
XTAL OUT
LINE
POR
PSE
11
12
13
14
15
16
17
18
20
19
10
9
8
7
6
5
4
3
2
1
CLK OUT
CPUR
INT
NC
SCK
MOSI
CE
MISO
VSS
PSE
VDD
XTAL IN
NC
VBATT
XTAL OUT
VSYS
NC
LINE
POR
Data Sheet
October 29, 2007
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CDP68HC68T1M2 | 功能描述:實時時鐘 PERIPH SPIAL-TIME- CLK 16W IND 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 |
| CDP68HC68T1M296 | 功能描述:實時時鐘 PERIPH SPIAL-TIME- CLK 16W INDEL 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 |
| CDP68HC68T1M296S2357 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CDP68HC68T1M2Z | 功能描述:實時時鐘 PERI SPIAL-TIME-CLK 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 |
| CDP68HC68T1M2Z96 | 功能描述:實時時鐘 PERI SPIAL-TIME-CLK 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 |
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