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RM0319 Datasheet(PDF) 316 Page - STMicroelectronics

Part # RM0319
Description  SPEAr320S architecture and functionality
PDF  368 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

RM0319 Datasheet(HTML) 316 Page - STMicroelectronics

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System controller (SYSCTR)
RM0319
316/368
Doc ID 022640 Rev 3
29.3
Functional description
Figure 106. System controller block diagram
nPOR
SCLK
PRESETn
PENABLE
PSEL
PWRITE
PWDATA[31:0]
PADDR[11:2]
PLLON
PLLSW
XTALTIMEEN
PERIPHCLKSTAT[31:0]
REDCLK
TIMCLK
WDEN
SYSSTAT[31:0]
REMAPSTAT
nIRQ
STANDBYWFI
nFIQ
SYSID[31:0]
SCANENABLE
SCANINSCLK
PLLTIMEEN
XTALON
XTALSW
Clock and reset
inputs
PLL oscillator
control and status
APB interface
Crystal oscillator
control and status
Clock control and
status
System control
and status
Scan test interface
PRDATA[31:0]
PLLEN
PLLRQSW
PLLFREQCTRL[31:0]
XTALEN
XTALRQSW
PERIPHCLKEN[31:0]
HCLKDIVSEL[2:0]
PERIPHCTRL0[31:0]
PERIPHCTRL1[31:0]
SLEEPMODE
TIMERCLKEN0
TIMERCLKEN1
TIMERCLKEN2
TIMERCLKEN3
WDCLKEN
REMAPCLEAR
SOFTRESREQ
SYSMODE[3:0]
SCANOUTSCLK



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