參數資料
型號: MB90T678
廠商: Fujitsu Limited
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16位微控制器專有
文件頁數: 49/124頁
文件大小: 2584K
代理商: MB90T678
49
MB90670/675 Series
Block diagram of 8/16-bit PPG timer 1
PPG1 underflow
(to PPG0)
Timebase timer output (512/HCLK)
Peripheral clock (1/
φ
)
*
: Interrupt number
HCLK: Oscillation clock
φ
: Machine clock frequency
PRLH1
PEN1
Data bus for “H” digits
PCS1 POE1 PIE1 PUF1 MD1
MD0 RESV
Data bus for “L” digits
PPG1 operating mode control register (PPGC1)
PRLL1
Temporary buffer
(PRLBH0)
reload selector
(L/H selector)
Down counter
(PCNT1)
PPG1
output latch
Pin
Count value
Clear
2
Select signal
reload
Underflow
Reverse
PPG output control circuit
P80/PPG1
Count clock selector
Select signal
R
S
Q
PPG1 reload
register
Operating mode
control signal
PPG0 underflow
CLK
MD0
Interrupt request
#30 (1E
H
)*
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