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零件编号
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HT1382 查看數據表(PDF) - Holtek Semiconductor
零件编号
产品描述 (功能)
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HT1382
I2C/3-Wire Real Time Clock
Holtek Semiconductor
HT1382 Datasheet PDF : 29 Pages
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Block Diagram
VDD
V
COMP
VBAT
HT1382
I
2
C/3-Wire Real Time Clock
Internal
power supply
Switch
RTC Register
X1
Crystal
Oscillator
X2
Oscillator
Compensation
CE
SCL/SCLK
SDA/I/O
IFS
VSS
I
2
C or 3-wire
Interface
Divider
Circuit
Note:
IFS pin is used for selecting I
2
C interface or 3-wire interface.
I
2
C interface is selected when IFS is unconnected.
3-wire interface is selected when IFS is connected to VSS.
Control & Status
Register
Alarm Register
DT & USER
EEPROM
IRQ /FOUT
Pin Assignment
I
2
C In t e r f a c e
X1
1
X2
2
VBAT
3
VSS
4
8
VDD
7
IR Q /F O U T
6
SCL
5
SDA
H T1382
8 D IP -A /S O P -A /M S O P -A
3 -W ir e In te r fa c e
X1
X2
VBAT
CE
VSS
1
10
2
9
3
8
4
7
5
6
H T1382
1 0 M S O P -A
VDD
IR Q /F O U T
S C LK
I/O
NC
Rev. 1.40
2
May 27, 2011
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