參數(shù)資料
型號(hào)： ST72T2311R9T6
廠商： 意法半導(dǎo)體
英文描述： 8-BIT MCU WITH NESTED INTERRUPTS, EEPROM, ADC, 16-BIT TIMERS, 8-BIT PWM ART, SPI, SCI, CAN INTERFACES
中文描述： 8位嵌套中斷，EEPROM存儲(chǔ)器，模數(shù)轉(zhuǎn)換器，16位定時(shí)器，8位PWM藝術(shù)，SPI和脊髓損傷，微控制器的CAN接口
文件頁數(shù)： 89/164頁
文件大小： 1043K
代理商： ST72T2311R9T6
ST72311R, ST72511R, ST72512R, ST72532R
30/164
INTERRUPTS (Cont’d)
6.3 INTERRUPTS AND LOW POWER MODES
All interrupts allow the processor to exit the WAIT
low power mode. On the contrary, only external
and other specified interrupts allow the processor
to exit the HALT modes (see column “Exit from
HALT” in “Interrupt Mapping” table). When several
pending interrupts are present while exiting HALT
mode, the first one serviced can only be an inter-
rupt with exit from HALT mode capability and it is
selected through the same decision process
shown in Figure 15
Note: If an interrupt, that is not able to Exit from
HALT mode, is pending with the highest priority
when exiting HALT mode, this interrupt is serviced
after the first one serviced.
6.4 CONCURRENT & NESTED MANAGEMENT
The following Figure 16 and Figure 17 show two
different interrupt management modes. The first is
called concurrent mode and does not allow an in-
terrupt to be interrupted, unlike the nested mode in
Figure 17 The interrupt hardware priority is given
in this order from the lowest to the highest: MAIN,
IT4, IT3, IT2, IT1, IT0, TLI. The software priority is
given for each interrupt.
Warning: A stack overflow may occur without no-
tifying the software of the failure.
Figure 16. Concurrent interrupt management
Figure 17. Nested interrupt management
MAIN
IT4
IT2
IT1
TLI
IT1
MAIN
IT0
I1
HARDWARE
PRIORITY
SOFTWARE
3
3/0
3
11
11 / 10
11
RIM
IT2
IT1
IT4
TLI
IT3
IT0
IT3
I0
10
PRIORITY
LEVEL
USED
STACK
=
1
0
BYTES
MAIN
IT2
TLI
MAIN
IT0
IT2
IT1
IT4
TLI
IT3
IT0
HARDWARE
PRIORITY
3
2
1
3
3/0
3
11
00
01
11
RIM
IT1
IT4
IT1
IT2
IT3
I1
I0
11 / 10
10
SOFTWARE
PRIORITY
LEVEL
USED
STACK
=
2
0
BYTES
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ST72T251G1M6 功能描述:8位微控制器 -MCU RO 511-ST72C254G1M6 RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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ST72T251G2M6 功能描述:8位微控制器 -MCU OTP EPROM 8K SPI/I2C RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
ST72T311J2B6 功能描述:8位微控制器 -MCU OTP EPROM 8K SPI/I2C RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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