Cypress STK17TA8 manual RTC Register, Register BCD Format Data Function / Range

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STK17TA8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RTC Register

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Register

 

 

 

 

 

 

BCD Format Data

 

 

 

 

Function / Range

 

D7

 

 

D6

 

D5

 

D4

D3

 

D2

 

D1

 

D0

 

 

 

 

 

 

 

 

 

 

 

0x1FFFF

 

 

 

10s Years

 

 

 

 

Years

 

Years: 00-99

 

0x1FFFE

0

0

 

0

 

10s

 

 

Months

 

Months: 01-12

 

 

 

 

 

 

 

 

 

Months

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0x1FFFD

0

0

 

10s

Day of

 

 

Day of Month

 

Day of Month: 01-31

 

 

 

 

 

 

 

 

Month

 

 

 

 

 

 

 

 

 

0x1FFFC

0

0

 

0

 

0

0

 

Day of Week

 

Day of week: 01-07

 

 

 

 

 

 

 

 

 

 

 

 

 

0x1FFFB

0

0

 

10s

Hours

 

 

Hours

 

Hours: 00-23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0x1FFFA

0

 

 

 

10s Minutes

 

 

Minutes

 

Minutes: 00-59

 

 

 

 

 

 

 

 

 

 

 

 

0x1FFF9

0

 

 

10s Seconds

 

 

Seconds

 

Seconds: 00-59

 

 

 

 

 

 

 

 

 

 

 

 

0x1FFF8

OSCEN

0

 

Cal

 

 

Calibration[00000]

 

Calibration values*

 

 

[0]

 

 

 

 

Sign

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0x1FFF7

WDS

WDW

 

 

 

 

 

WDT

 

 

 

 

Watchdog*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0x1FFF6

WIE [0]

AIE [0]

 

PFE

 

0

H/L

 

P/L [0]

 

0

 

0

Interrupts*

 

 

 

 

 

 

 

[0]

 

 

[1]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0x1FFF5

M

0

 

10s Alarm Date

 

 

Alarm Day

 

Alarm, Day of Month: 01-31

 

 

 

 

 

 

 

 

 

 

 

 

0x1FFF4

M

0

 

10s Alarm Hours

 

 

Alarm Hours

 

Alarm, hours: 00-23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0x1FFF3

M

 

 

10

Alarm Minutes

 

 

Alarm Minutes

 

Alarm, minutes: 00-59

 

 

 

 

 

 

 

 

 

 

 

 

0x1FFF2

M

 

 

10 Alarm Seconds

 

 

Alarm Seconds

 

Alarm, seconds: 00-59

 

 

 

 

 

 

 

 

 

 

 

 

0x1FFF1

 

10s Centuries

 

 

 

 

Centuries

 

Centuries: 00-99

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0x1FFF0

WDF

 

 

AF

 

PF

 

OSCF

0

 

CAL[0]

 

W[0]

 

R[0]

Flags*

*A binary value, not a BCD value.

0 - Not implemented, reserved for future use.

Default Settings of nonvolatile Calibration and Interrupt registers from factory Calibration Register=00h

Interrupt Register=00h

The User should configure to desired value at startup or during operation and the value is then retained during a power failure. [ ] designates values shipped from the factory. See “Stopping And Starting The RTC Oscillator” on page 14 .

Document #: 001-52039 Rev. **

Page 17 of 23

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Contents Logic Block Diagram FeaturesDescription Cypress Semiconductor Corporation 198 Champion CourtPin Descriptions PinoutsRF SSOP-48 Package Thermal Characteristics DC Electrical CharacteristicsSymbol Parameter Commercial Industrial Units Min Absolute Maximum RatingsSymbol Parameter Max Units Conditions Symbol Parameter Commercial Industrial Units Min MaxAC Test Conditions CapacitanceRTC DC Characteristics Sram Read Cycles #1 and #2 Symbols Parameter STK17TA8-25 STK17TA8-45 Units Alt Min MaxSram Write Cycles #1 and #2 Units Standard Alternate Min Max AutoStore/Power Up RecallSymbols Parameter Software-Controlled STORE/RECALL Cycle Hardware Store to Sram Disabled Soft Sequence CommandsHardware Store Cycle Hardware Store Pulse WidthA16-A0 Mode Power Mode SelectionNvSRAM Operation Hardware Recall POWER-UPHardware Store HSB Operation AutoStore OperationSoftware Recall Low Average Active PowerData Protection Noise ConsiderationsRTC Operations Alarm Watchdog TimerPower Monitor Calibrating The ClockInterrupt Register InterruptsFlags Register Register BCD Format Data Function / Range RTC RegisterRegister Map Detail 0x1FFF4 Alarm Hours 0x1FFF5 Alarm Day0x1FFF7 0x1FFF6 Interrupt0x1FFF1 Real Time Clock Centuries 10s Centuries 0x1FFF2 Alarm Seconds0x1FFF0 Flags WDF Oscf CALOrdering Codes Ordering Information51-85061 *C Document # 001-52039 Rev Package DiagramsDocument History Sales, Solutions, and Legal InformationWorldwide Sales and Design Support Products PSoC Solutions