RT5035A/B
Address Register
Name Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Meaning
BUSY
Reversed
RTCT_SEC
Default
0
0
0
0
0
0
0
0
A18
0X12
Read/Write
R
R
R/W
R/W
R/W
R/W
R/W
R/W
Reset
Condition
C
C
C
C
C
C
C
C
BUSY
1: RTC is busy and the writing access is not allowed
Stores the SECOND field of RTC time. That is 0 to 59.
RTCT_SEC[5:0]
Address Register
Name Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Meaning Reversed Reversed
RTCT_MIN
Default
0
0
0
0
0
0
0
0
A19
0X13
Read/Write
R
R
R/W
R/W
R/W
R/W
R/W
R/W
Reset
Condition
C
C
C
C
C
C
C
C
RTCT_MIN[5:0]
Stores the MINUTE field of RTC time. That is 0 to 59.
Address Register
Name Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Meaning MODE_12H AM/PM Reversed
RTCT_HR
Default
0
0
0
0
0
0
0
0
A20
0X14
Read/Write
R/W
R/W
R
R/W
R/W
R/W
R/W
R/W
Reset
Condition
C
C
C
C
C
C
C
C
MODE_12H/24H
AM/PM
0 = 24H, 1 = 12H
0 = AM, 1 = PM
RTCT_HR[4:0]
Stores the HOUR field of RTC time. That is 0 to 23 (24hour format).
Address Register
Name Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Meaning Reversed Reversed
RTCT_YEAR
Default
0
0
0
0
1
1
0
1
A21
0X15
Read/Write
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
Condition
C
C
C
C
C
C
C
C
Stores the YEAR field of RTC time. That is 0 to 63. RTCT_YEAR = 0 means the
year 2000.
RTCT_YEAR[6:0]
Hence, RT5035A/B can count till the year 2063.
Copyright © 2020 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
34
DS5035A/B-03 February 2020
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
