參數(shù)資料
型號: MC68HC05X4DW
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: HCMOS Microcontroller Unit
中文描述: 8-BIT, MROM, 2.2 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數(shù): 121/156頁
文件大?。?/td> 926K
代理商: MC68HC05X4DW
16-Bit Programmable Timer
Timer state diagrams
MC68HC05X4 Rev 1.0
MOTOROLA
16-Bit Programmable Timer
For More Information On This Product,
Go to: www.freescale.com
121
13-ptimer
occurred during the STOP period. If the device is reset to exit STOP
mode, then no input capture flag or data remains, even if a valid input
capture edge occurred.
Timer state diagrams
The relationships between the internal clock signals, the counter
contents and the status of the flag bits are shown in the following
diagrams. It should be noted that the signals labelled ‘internal’
(processor clock, timer clocks and reset) are not available to the user.
Figure 12. Timer state timing diagram for reset
Internal
processor clock
Internal
reset
16-bit
counter
External reset
or end of POR
Internal
timer clocks
$FFFC
$FFFD
$FFFE
$FFFF
Note: The counter and timer control registers are the only ones affected by power-on or external reset.
T00
T01
T11
T10
F
Freescale Semiconductor, Inc.
n
.
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