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STR720 датащи(PDF) 147 Page - STMicroelectronics

номер детали STR720
подробное описание детали  ARM720T 16/32-BIT MCU WITH 16K RAM, USB, CAN, 3 TIMERS, ADC, 6 COMMUNICATIONS INTERFACES
PDF  401 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STR720 датащи(HTML) 147 Page - STMicroelectronics

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STR720 - RESET AND CLOCK CONTROL UNIT (RCCU)
147/401
Bit 2 = Reserved. Give ‘0’ when read and must be written to ‘0’.
Bit 1 = WDGRST_F: watchdog reset status flag
This bit is read only.
0: No Watchdog reset occurred.
1: Watchdog reset occurred.
Bit 0 = SWRST_F: software reset status flag
This bit is read only.
0: No software reset occurred.
1: Software reset occurred.
CLocK ConTroL register (CLKCTL)
Address Offset: 0Ch
Reset value: 0000h
This register is write protected and can be unlocked using REG_PROT bit in SYSPROT
register.
Bit 15:4 = Reserved. Give ‘0’ when read and must be written to ‘0’.
Bit 3 = SWRST: software reset bit
0: No software reset occurs.
1: Software reset occurs.
Bit 2 = DIV2: DIV2 select
0: Select CLK as PLLCLKREF
1: Select CLK/2 as PLLCLKREF
Bit 1 = IDLE: IDLE mode select bit
0: IDLE mode not selected
1: Select IDLE mode
Bit 0 = SLOW: Slow mode select bit
0: SLOW mode not selected
1: Select SLOW mode
15
14
13
12
11
10
9
8
765432
1
0
Reserved
SWRS
T
DIV2
IDLE
SLOW
-rw
rw
rw
rw
1



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