参数资料
型号: ST7PLUSA2M3
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO8
封装: 0.150 INCH, ROHS COMPLIANT, PLASTIC, SOP-8
文件页数: 78/136页
文件大小: 1705K
代理商: ST7PLUSA2M3
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
Interrupts
ST7LITEUS2, ST7LITEUS5
7.4.3
Low power modes
Interrupts
The AVD interrupt event generates an interrupt if the corresponding Enable Control Bit
(AVDIE) is set and the interrupt mask in the CC register is reset (RIM instruction).
7.4.4
Register description
System Integrity (SI) Control/Status register (SICSR)
Reset value: 0000 0x00 (0xh)
Table 11.
Description of low power modes
Mode
Description
Wait
No effect on SI. AVD interrupts cause the device to exit from Wait mode.
Halt
The SICSR register is frozen.
The AVD remains active but the AVD interrupt cannot be used to exit from Halt
mode.
Table 12.
Description of interrupt events
Interrupt Event
Event flag
Enable
control bit
Exit from
Wait
Exit from
Halt
AVD event
AVDF
AVDIE
Yes
No
7
0
CR1
CR0
0
LVDRF
AVDF
AVDIE
Read/write
Bit 7 Reserved, must be kept cleared.
Bits 6:5 CR[1:0] RC Oscillator Frequency Adjustment bits
These bits, as well as CR[9:2] bits in the RCCR register must be written
immediately after reset to adjust the RC oscillator frequency and to obtain the
Bits 4:3 Reserved, must be kept cleared.
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