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SN8F22711B 参数 Datasheet PDF下载

SN8F22711B图片预览
型号: SN8F22711B
PDF下载: 下载PDF文件 查看货源
内容描述: 8位微控制器 [8-Bit Micro-Controller]
分类和应用: 微控制器
文件页数/大小: 111 页 / 1291 K
品牌: SONIX [ SONIX TECHNOLOGY COMPANY ]
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SN8F2270B Series  
USB 2.0 Low-Speed 8-Bit Micro-Controller  
6
INTERRUPT  
6.1 OVERVIEW  
This MCU provides 7 interrupt sources, including 4 internal interrupt (T0/TC0/USB/SIO) and two external interrupt  
(INT0/INT1). The external interrupt can wakeup the chip while the system is switched from power down mode to  
high-speed normal mode. Once interrupt service is executed, the GIE bit in STKP register will clear to “0” for stopping  
other interrupt request. On the contrast, when interrupt service exits, the GIE bit will set to “1” to accept the next  
interrupts’ request. All of the interrupt request signals are stored in INTRQ register.  
INTEN Interrupt Enable  
Register  
P00IR  
Q
INT0 Trigger  
INT1 Trigger  
Interrupt Vector Address (0008H)  
INTR  
Q
2-  
P01IRQ  
Interrupt  
Global Interrupt Request  
Signal  
T0IRQ  
T0 Time  
Out  
Enabl  
e
Bit  
TC0IRQ  
TC0 Time Out  
Latchs  
Gating  
USBIR  
Q
USB Process  
End  
SIOIRQ  
SIO Transmit ready  
I/O pin wakeup  
trigger  
WAKEIR  
Q
’
Note: The GIE bit must enable during all interrupt operation.  
SONiX TECHNOLOGY CO., LTD  
Page 51  
Version 1.2