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UM0851 Datasheet(PDF) 39 Page - STMicroelectronics

Part # UM0851
Description  SPEAr is a family of highly customizable ARM-based embedded
PDF  245 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM0851 Datasheet(HTML) 39 Page - STMicroelectronics

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UM0851
Platform section
Doc ID 16604 Rev 2
39/245
Figure 5.
RTC functional block diagram
3.3.2
Software overview
RTC support in the kernel is architected into two layers: a hardware-independent top-layer
char driver that implements the kernel RTC API, and a hardware-dependent bottom-layer
driver that communicates with the underlying bus.
The SPEAr RTC driver is located in linux/drivers/rtc/spr_rtc_st.c
CLK
C32K
TST_MODE_SCAN
TST_MODE_IDDQ
PSEL
PENABLE
RWRITE
PADDR (4:2)
PWDATA (31:0)
RTC
OSCI32B_EN
PCDATA (31:0)
INTERRUPT



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