參數(shù)資料
型號(hào)： STMPE2401TBR
廠商： STMICROELECTRONICS
元件分類(lèi)： 微控制器/微處理器
英文描述： 24 I/O, PIA-GENERAL PURPOSE, PBGA36
封裝： LEAD FREE, TFBGA-36
文件頁(yè)數(shù)： 11/55頁(yè)
文件大?。?/td> 959K
代理商： STMPE2401TBR
STMPE2401
System controller
19/55
7.2
System control register
Table 18. System control register
Bit
7
6
5
4
3
2
1
0
Soft_Reset
-
Disable_32KHz Sleep Enable_GPIO Enable_PWM Enable_KPC Enable_ROT
Read/Writ
e (IIC)
WRW
RW
Read/Writ
e(HW)
RW
R
RW
R
Reset
Value
00
0
1
Table 19. System control register writing
Bits
Name
Description
0
Enable_ROT
Writing a ‘0’ to this bit will gate off the clock to the Rotator module, thus stopping
its operation
1
Enable_KPC
Writing a ‘0’ to this bit will gate off the clock to the Keypad Controller module,
thus stopping its operation
2
Enable_PWM
Writing a ‘0’ to this bit will gate off the clock to the PWM module, thus stopping
its operation
3
Enable_GPIO
Writing a ‘0’ to this bit will gate off the clock to the GPIO module, thus stopping
its operation
4
Sleep
Writing a ‘1’ to this bit will put the device in sleep mode. When in sleep mode, all
the units which need to work on clocks synchronous to 32KHz will get the clocks
derived from the 32K domain. The RC Oscillator will be shut off.
5
Disable_32KHz
Set this bit to disable the 32KHz OSC, thus putting the device in hibernate
mode. Only a Reset or a wakeup on IIC will reset this bit
6-
-
7
Soft_Reset
Writing a ‘1’ to this bit will do a soft reset of the device. Once the reset is done,
this bit will be cleared to ‘0’ by the HW.
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