HT1382_1105 HOLTEK [Holtek Semiconductor Inc], HT1382_1105 Datasheet - Page 2

• Manufacturer Part Number: HT1382_1105
• Description: I2C/3-Wire Real Time Clock
• Manufacturer: HOLTEK [Holtek Semiconductor Inc]

Block Diagram
Note:
Pin Assignment
Rev. 1.40
SCL/SCLK
SDA/I/O
IFS pin is used for selecting I
I
3-wire interface is selected when IFS is connected to VSS.
2
VBAT
C interface is selected when IFS is unconnected.
VDD
VSS
IFS
CE
X1
X2
V
COMP
Oscillator
Crystal
I
2
C or 3-wire
Interface
2
C interface or 3-wire interface.
Compensation
Oscillator
Divider
Circuit
Switch
power supply
Internal
2
I
2
C/3-Wire Real Time Clock
Control & Status
Alarm Register
RTC Register
DT & USER
EEPROM
Register
IRQ
HT1382
May 27, 2011
/FOUT