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RK818 Datasheet(PDF) 49 Page - Rockchip Electronics Co., Ltd

Part # RK818
Description  Input range: 3.8V - 6V for USB input 2.7V - 4.5V for BAT input
PDF  93 Pages
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Manufacturer  ROCKCHIP [Rockchip Electronics Co., Ltd]
Direct Link  http://www.rock-chips.com/a/en/index.html
Logo ROCKCHIP - Rockchip Electronics Co., Ltd

RK818 Datasheet(HTML) 49 Page - Rockchip Electronics Co., Ltd

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RK818 Datasheet
Rev 1.0
Copyright ©2017 Fuzhou Rockchip Electronics Co., Ltd.
49
DEFAULT
0
0
0
0
0
0
0
0
Description
Bit 7-5
RESEVERED
Bit 4
INT_SLEEP_MASK_EN:
1: Mask periodic interrupt while the device is in SLEEP mode
0: Normal mode, no interrupt masked.
Bit 3
INT_ALARM_EN: Enable one interrupt when the alarm value is reached
1: Enable
0: Disable
Bit 2
INT_TIMER_EN:Enable periodic interrupt
Bit 1-0
EVERY: 00: every second 01: every minute
10: every hour
11: every
day
RTC_COMP_LSB_REG : RTC COMPENSATION LSB REGISTER
ADDRESS: 13H
TYPE: RW
Bit
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SYMBOL
RTC_COMP_LSB
DEFAULT
0
0
0
0
0
0
0
0
Description
Bit7-0
This register contains the number of 32-kHz periods to be added into the
32KHz counter every hour [LSB]
RTC_COMP_MSB_REG : RTC COMPENSATION MSB REGISTER
ADDRESS: 14H
TYPE: RW
Bit
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SYMBOL
RTC_COMP_MSB
DEFAULT
0
0
0
0
0
0
0
0
Description
Bit7-0
This register contains the number of 32-kHz periods to be added into the
32KHz counter every hour [MSB]
5.2.2 MISC REGISTERS
CLK32KOUT_REG : RTC 32KHz CLOCK OUTPUT REGISTER
ADDRESS: 20H
TYPE: RW
Bit
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SYMBOL
RESERVED
CLK32KO
UT2_FUN
CLK32KO
UT2_EN
DEFAULT
0
0
0
0
0
0
0
0
Description
Bit 7-2
Bit 1
RESERVED
CLK32KOUT2_FUN: CLK32KOUT2 pin functional definition
0：32.768K clock output



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