參數(shù)資料
型號(hào): MB90522PFF
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP120
封裝: PLASTIC, LQFP-120
文件頁數(shù): 44/106頁
文件大?。?/td> 1541K
代理商: MB90522PFF
MB90520 Series
42
(2) Block Diagram
Block diagram of 8/16-bit PPG timer 0
PRLH0
Timebase timer output (512/HCLK)
PEN0
Data bus for “H” digits
PE00 PIE0 PUF0
Data bus for “L” digits
PPG0 operating mode
control register (PPGC0)
PPG0 re-load
register
PRLL0
Temporary buffer
(PRLBH0)
Re-load selector
L/H selector
Down counter
(PCNT0)
Count value
Clear
CLK
2
Select signal
Re-load
Underflow
Pulse selector
PPG0
output latch
Reverse
PPG output
control circuit
Oprating mode
control signal
Pin
P36/PG00
Count
clock
selector
PPG1 underflow
PPG0 underflow
(to PPG1)
Select signal
*
: Interrupt number
HCLK : Oscillation clock frequency
φ : Machine clock frequency
R
SQ
Interrupt
request
#19*
Peripheral clock (16/
φ)
Peripheral clock (8/
φ)
Peripheral clock (4/
φ)
Peripheral clock (2/
φ)
Peripheral clock (1/
φ)
Pin
P37/PG01
3
PCS2 PCS1 PCS0 PCM2 PCM1 PCM0 PE11 PE01
PPG0, 1 output control register (PPGOE0,1)
Reserved
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