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HT1382 датащи(PDF) 2 Page - Holtek Semiconductor Inc

номер детали HT1382
подробное описание детали  I2C/3-Wire Real Time Clock
PDF  29 Pages
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производитель  HOLTEK [Holtek Semiconductor Inc]
домашняя страница  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT1382 датащи(HTML) 2 Page - Holtek Semiconductor Inc

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Block Diagram
Note:
IFS pin is used for selecting I
2C interface or 3-wire interface.
I
2C interface is selected when IFS is unconnected.
3-wire interface is selected when IFS is connected to VSS.
Pin Assignment
Rev. 1.40
2
May 27, 2011
HT1382
I2C/3-Wire Real Time Clock
X 1
X 2
V B A T
V S S
V D D
I R Q / F O U T
S C L
S D A
H T 1 3 8 2
8 D I P - A / S O P - A / M S O P - A
X 1
X 2
V B A T
C E
V S S
H T 1 3 8 2
1 0 M S O P - A
1 0
9
8
7
6
1
2
3
4
5
V D D
I R Q / F O U T
S C L K
I / O
N C
I C I n t e r f a c e
2
3 - W i r e I n t e r f a c e
1
2
3
4
8
7
6
5
Crystal
Oscillator
X1
X2
/FOUT
IRQ
Control & Status
Register
Alarm Register
RTC Register
Oscillator
Compensation
SCL/SCLK
I
2Cor3-wire
Interface
Divider
Circuit
SDA/I/O
IFS
VSS
DT & USER
EEPROM
CE
VBAT
VDD
Internal
power supply
VCOMP
Switch



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