參數(shù)資料
型號： ST72F652R4T1
廠商： STMICROELECTRONICS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP64
封裝： 14 X 14 MM, TQFP-64
文件頁數(shù)： 112/160頁
文件大?。?/td> 974K
代理商： ST72F652R4T1
ST7265
55/160
MISCELLANEOUS REGISTERS (Cont’d)
MISCELLANEOUS REGISTER 2 (MISCR2)
Reset Value: 0000 0000 (00h)
Bits 7:5 = Reserved.
Bits 4:0 = P[4:0]
Power Management Bits
These bits are set and cleared by software. They
can be used to switch the on-chip peripherals of
the microcontroller ON or OFF. The registers are
not changed by switching the peripheral OFF and
then ON (contents are frozen while OFF).
0: Peripheral ON (running)
1: Peripheral OFF
MISCELLANEOUS REGISTER 3 (MISCR3)
Read/Write
Reset Value: 0000 0000 (00h)
Bit 7 = WDGHALT
Watchdog and HALT Mode
This bit is set and cleared by software. It deter-
mines if a RESET is generated when entering Halt
mode while the Watchdog is active (WDGA bit =1
in the WDGCR register).
In either case, the Watchdog will not reset the
MCU if a HALT instruction is executed while the
USB is in Suspend mode.
0: If the Watchdog is active, it will reset the MCU if
a HALT instruction is executed (unless the USB
is in Suspend mode)
1: When a HALT instruction is executed, the MCU
will enter Halt mode (without generating a reset)
even if the Watchdog is active.
Bits 6:4 = Reserved, forced by hardware to 0.
Bits 3:2= IS3[1:0]
ei2 Interrupt sensitivity
Interrupt sensitivity, defined using the IS3[1:0] bits,
is applied to the ei2 interrupts (Port C):
These 2 bits can be written only when I1 and I0 of
the CC register are both set to 1 (level 3).
Bit 1 = PWM1
PWM1 Output Control
0: PWM1 Output alternate function disabled (I/O
pin free for general purpose I/O).
1: PWM1 Output alternate function enabled
Bit 0 = PWM0
PWM0 Output Control
0: Output alternate function disabled (I/O pin free
for general purpose I/O).
1: PWM0 Output alternate function enabled
70
0
P4
P3
P2
P1
P0
Bit
Peripheral
P0
PWM
P1
Timer
P2
I2C
P3
USB
P4
DTC
70
WDG
HALT
0
IS31
IS30
PWM
1
PWM
0
IS31 IS30
External Interrupt Sensitivity
0
Falling edge & low level
0
1
Rising edge only
1
0
Falling edge only
1
Rising and falling edge
1
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