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: 105/136页
文件大小: 1705K
代理商: ST7PLUSA2M3
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
On-chip peripherals
ST7LITEUS2, ST7LITEUS5
Lite Timer Input Capture register (LTICR)
Reset value: 0000 0000 (00h)
Bit 2 WDGRF Force Reset/ Reset Status Flag
This bit is used in two ways: it is set by software to force a watchdog reset. It is set
by hardware when a watchdog reset occurs and cleared by hardware or by
software. It is cleared by hardware only when an LVD reset occurs. It can be cleared
by software after a read access to the LTCSR register.
0: No watchdog reset occurred.
1: Force a watchdog reset (write), or, a watchdog reset occurred (read).
Bit 1 WDGE Watchdog Enable
This bit is set and cleared by software.
0: Watchdog disabled
1: Watchdog enabled
Bit 0 WDGD Watchdog Reset Delay
This bit is set by software. It is cleared by hardware at the end of each tWDG period.
0: Watchdog reset not delayed
1: Watchdog reset delayed
7
0
ICR7
ICR6
ICR5
ICR4
ICR3
ICR2
ICR1
ICR0
Read only
Bit 7:0 ICR[7:0] Input capture value
These bits are read by software and cleared by hardware after a reset. If the ICF bit
in the LTCSR is cleared, the value of the 8-bit up-counter will be captured when a
rising or falling edge occurs on the LTIC pin.
Table 26.
Lite timer register map and reset values
Address
(Hex.)
Register label
7
65
43
2
1
0
0B
LTCSR
Reset value
ICIE
0
ICF
0
TB
0
TBIE
0
TBF
0
WDGRF
x
WDGE
0
WDGD
0
0C
LTICR
Reset value
ICR7
0
ICR6
0
ICR5
0
ICR4
0
ICR3
0
ICR2
0
ICR1
0
ICR0
0
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