SH3100IMTR SEMTECH [Semtech Corporation], SH3100IMTR Datasheet - Page 47

• 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 RTCAlarm/Scratchpad
Address(hex): 84
Bit No.
SP[7]
Bit 7
[6:4]
[3:0]
[7]
Description
SP[7]
Minute(MSD)/SP[6:4]
Minute(LSD)/SP[3:0]
Bit 6
(continued)
Minute (MSD)/SP[6:4]
Bit 5
Description
Bit Value
Bit 4
47
(R/W) RTC alarm or scratchpad
Value Description
Bit [7] of the scratchpad memory, irrespective whether or not
the RTC alarm interrupt is active
This bit remains throughout brownout
When the RTC alarm interrupt enable is active, this is the upper
BCD digit of the minute at which the interrupt should be
activated
When not used as an RTC alarm, these bits can be used as
scratchpad, and remain throughout a brownout condition
When the RTC alarm interrupt enable is active, this is the lower
BCD digit of the minute at which the interrupt should be
activated
When not used as an RTC alarm, these bits can be used as
scratchpad, and remain throughout a brownout condition
Bit 3
Bit 2
Minute(LSD)/SP[3:0]
Default Value: 0000 0000
Reset Event: P
Bit 1
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Bit 0