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18 REAL-TIME CLOCK—
ADSP-2147X
The ADSP-2147x processors contain a real-time clock (RTC) which pro-
vides a set of digital watch features to the processor, including time of day,
alarm, and stopwatch countdown. It is typically used to implement either
a real-time watch or a life counter. The RTC specifications are shown in
Table
18-1.
Table 18-1. RTC Specifications
Feature
Connectivity
Multiplexed Pinout
SRU DAI Required
SRU DAI Default Routing
SRU2 DPI Required
SRU2 DPI Default Routing
Interrupt Control
Protocol
Master Capable
Slave Capable
Transmission Simplex
Transmission Half Duplex
Transmission Full Duplex
Access Type
Data Buffer
ADSP-214xx SHARC Processor Hardware Reference
www.BDTIC.com/ADI
Availability
No
No
N/A
No
N/A
Yes
Yes
No
N/A
N/A
N/A
N/A
18-1
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