SH3100IMTR SEMTECH [Semtech Corporation], SH3100IMTR Datasheet - Page 24

• Manufacturer Part Number: SH3100IMTR
• Description: Supervisory IC with I2C Interface and PWM
• Manufacturer: SEMTECH [Semtech Corporation]

© 2006 Semtech Corp.
POWER MANAGEMENT
Register Descriptions
Register Name RTC
Register Name RTC
Register Name RTC
Address(hex): 0D
Address(hex): 0E
Address(hex): 0F
Bit No.
Bit No.
Bit No.
Bit 7
[5:4]
[3:0]
Bit 7
[5:4]
[3:0]
Bit 7
[6:4]
[3:0]
Description
Day (MSD)
Day (LSD)
Description
Hour (MSD)
Hour (LSD)
Description
Minute (MSD)
Minute (LSD)
Bit 6
Bit 6
Bit 6
(continued)
Minutes (MSD)
Bit 5
Bit 5
Bit 5
Hour (MSD)
Day (MSD)
Description
Description
Description
Bit Value
Bit Value
Bit Value
00 (hex)
01 (hex)
00 (hex)
00 (hex)
00 (hex)
00 (hex)
Bit 4
Bit 4
Bit 4
24
(R/W) Real Time Clock.
Value Description
Upper digit of the Binary Coded Decimal (BCD) day-of-the-month
count
Lower digit of the BCD day-of-the-month count. Cycles from 01
(BCD) to 28,29,30 or 31 (BCD) according to the month, and
tracks leap years correctly up to 2099
See also 0B description
(R/W) Real Time Clock.
Value Description
Upper digit of the Binary Coded Decimal hour count
Lower digit of the BCD hour count. Cycles from 00 (BCD) to 23
(BCD)
See also 0B description
(R/W) Real Time Clock.
Value Description
Upper digit of the Binary Coded Decimal minute count
Lower digit of the BCD minute count. Cycles from 00 (BCD) to
59 (BCD)
See also 0B description
Bit 3
Bit 3
Bit 3
Bit 2
Bit 2
Bit 2
Minutes (LSD)
Hour (LSD)
Day (LSD)
Default Value:
Reset Event: P
Default Value: 0000 0000
Reset Event: P
Default Value: 0000 0000
Reset Event: P
Bit 1
Bit 1
Bit 1
0000 0001
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SH3100
Bit 0
Bit 0
Bit 0