参数资料
型号: MC68HC05P9ACDW
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封装: SOIC-28
文件页数: 152/158页
文件大小: 3885K
代理商: MC68HC05P9ACDW
Timer
Timing
Timer
Figure 49. Output Compare Timing
Figure 50. Timer Overflow Timing
INTERNAL
TIMER
T00
T01
T10
T11
OUTPUT COMPARE
16-BIT
$FFEB
$FFED
$FFEE
$FFEC
OUTPUT COMPARE
$FFED
CPU WRITES $FFED
$FFEF
FLAG AND TCMP
REGISTERS
NOTES:
1. A write to the output compare registers may occur at any time, but a compare only occurs at
timer state T01. Therefore, the compare may follow the write by up to four cycles.
2. The output compare ag is set at the timer state T11 that follows the comparison latch.
BUS CLOCK
CLOCKS
COUNTER
COMPARE
REGISTER LATCH
$FFFF
$0001
$0002
$0000
INTERNAL
TIMER
T00
T01
T10
T11
OVERFLOW
16-BIT
FLAG (TOF)
BUS CLOCK
CLOCKS
COUNTER
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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