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參數(shù)資料
| 型號： | PT7C4302WEX |
| 廠商： | Pericom |
| 文件頁數(shù)： | 11/13頁 |
| 文件大小： | 0K |
| 描述： | IC RTC NVSRAM 8SOIC |
| 標準包裝： | 1 |
| 類型： | 時鐘/日歷 |
| 特點： | 閏年，NVSRAM，方波輸出，涓流充電器 |
| 存儲容量： | 31B |
| 時間格式： | HH:MM:SS（12/24 小時） |
| 數(shù)據(jù)格式： | YY-MM-DD-dd |
| 接口： | 3 線串口 |
| 電源電壓： | 1.2 V ~ 5.5 V |
| 電壓 - 電源，電池： | 1.5 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 標準包裝 |
| 其它名稱： | PT7C4302WEXDKR |
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12-07-0001
PT0225-4
07/04/12
7
PT7C4302
Real-time Clock Module (3-wire Interface)
Registers
1.
Allocation of registers
Addr.
(hex)
*1
Function
Register definition
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
00
Seconds (00-59)
/EOSC
*2
S40
S20
S10
S8
S4
S2
S1
01
Minutes (00-59)
0
M40
M20
M10
M8
M4
M2
M1
02
Hours (00-23 / 01-12)
12, /24
0
H20 or
P /A
H10
H8
H4
H2
H1
03
Dates (01-31)
0
D20
D10
D8
D4
D2
D1
04
Months (01-12)
0
MO10
MO8
MO4
MO2
MO1
05
Days of the week (01-07)
0
W4
W2
W1
06
Years (00-99)
Y80
Y40
Y20
Y10
Y8
Y4
Y2
Y1
07
Control
WP
*3
0
08
Trickle charger
TCS
*4
TCS
DS
*5
DS
RS
*6
RS
1F
Clock burst
*7
-
20~3E
RAM
*9
-
3F
RAM burst
*8
-
Caution points:
*1. PT7C4302 uses 5 bits for address. It’s address byte consists of 1 + RAM/Clock select bit +5-bit addr. + Read/Write select bit.
*2. Oscillator Enable bit. When this bit is set to 1, oscillator is stopped but time count chain is still active.
*3. WP: Write Protect bit. WP bit should be cleared before attempting to write to the device.
*4. TCS: Trickle Charger Select.
*5. DS: Diode Select.
*6. RS: Resistor Select.
*7.
Clock burst register address is used as clock/calendar burst mode operation address for consecutively read/write 0~7H
registers. Clock/calendar burst mode operation can continuously read 0H to maximum 7H registers in order; write 0~7H registers
in order. Less or larger than 8 bytes in clock burst write mode are ignored.
*8. RAM burst register address is used as RAM burst mode operation address for consecutively read/write 20~3EH RAM. Less
than 31 bytes in RAM burst read/write mode are valid.
*9. PT7C4302 has 318 static RAM for customer use. It is volatile RAM.
*10.
All bits marked with "0" are read-only bits. Their value when read is always "0". All bits marked with "-" are customer
using space.
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| PT7C4307WEX | 功能描述:IC RTC ALARM NVSRAM 8SOIC RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 實時時鐘 系列:- 標準包裝:2,500 系列:- 類型:時鐘/日歷 特點:警報器，閏年，監(jiān)控器，監(jiān)視計時器 存儲容量:- 時間格式:HH:MM:SS（12/24 小時） 數(shù)據(jù)格式:YY-MM-DD-dd 接口:I²C，2 線串口 電源電壓:2.7 V ~ 5.5 V 電壓 - 電源，電池:1.8 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) |
| PT7C4311WEX | 功能描述:IC RTC LEAP YEAR Y2K 8SOIC RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 實時時鐘 系列:- 標準包裝:2,500 系列:- 類型:時鐘/日歷 特點:警報器，閏年，監(jiān)控器，監(jiān)視計時器 存儲容量:- 時間格式:HH:MM:SS（12/24 小時） 數(shù)據(jù)格式:YY-MM-DD-dd 接口:I²C，2 線串口 電源電壓:2.7 V ~ 5.5 V 電壓 - 電源，電池:1.8 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) |
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