參數(shù)資料
型號: ST72651R6T1
英文描述: ST7 - LOW-POWER. FULL-SPEED USB 8-BIT MCU WITH 32K FLASH. 5K RAM. FLASH CARD I/F. TIMER. PWM. ADC. I2C
中文描述: ST7的-低功耗。全速USB 8位32K快閃微控制器。 5K內(nèi)存。閃存卡的I /樓計時器。脈寬調(diào)制。 ADC的。的I2C
文件頁數(shù): 135/166頁
文件大?。?/td> 2089K
代理商: ST72651R6T1
ST7265x
70/166
USB INTERFACE (Cont’d)
11.3.5 Low Power modes
11.3.6 Interrupts
Note: The USB end of suspend interrupt event is connected to a single interrupt vector (USB ESUSP) with
the exit from halt capability (wake-up). All the other interrupt events are connected to another interrupt
vector: USB interrupt (USB). They generate an interrupt if the corresponding enable control bit is set and
the interrupt mask bits (I0, I1) in CC register are reset (RIM instruction).
Mode
Description
WAIT
No effect on USB.
USB interrupt events cause the device to exit from WAIT mode.
HALT
USB registers are frozen.
In halt mode, the USB is inactive. USB operations resume when the MCU is woken up by an interrupt with
“exit from halt capability” or by an event on the USB line in case of suspend. This event will generate an
ESUSP interrupt which will wake-up from halt mode.
Interrupt Event
Event Flag
Enable Con-
trol Bit
Exit From
Wait
Exit
From
Halt
Correct TRansfer
CTR
CTRM
Yes
No
Setup OVeRrun
SOVR
SOVRM
Yes
No
ERROR
ERR
ERRM
Yes
No
Suspend Mode Request
SUSP
SUSPM
Yes
No
End of SUSPend mode.
ESUSP
ESUSPM
Yes
USB RESET
RESET
RESETM
Yes
No
Start Of Frame
SOF
SOFM
Yes
No
1
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