參數(shù)資料
型號: MB91F361G
元件分類: 微控制器/微處理器
英文描述: 32-BIT, MROM, 64 MHz, MICROCONTROLLER, PQFP208
封裝: PLASTIC, QFP-208
文件頁數(shù): 16/54頁
文件大小: 675K
代理商: MB91F361G
FME / EMDC / Br mb91f361g.fm
23
7/19/00
6.3
SMC Prescaler
To make sure that the target output frequency for the stepper motors can also be achieved for a resource clock of
20 MHz or 24 MHz (CLKP) additional prescaling factors of 5 and 6 is introduced.
Bits S2 and P2 will be added to bit positions 7 and 6 of the PWM control register (PWC), respectively to allow the
following settings for operation clock and debounce clock:
6.4
Oscillation stabilizing time
For a mode setting of MD[2:0] = "000" the following settings of OS1 and OS0 bits in the standby control register
(STCR) will be implemented:
P2
S2
P1
S1
P0
S0
operation
clock
debounce
clock
0
CLKP
0
1
CLKP/2
0
1
0
CLKP/4
0
1
CLKP/8
1
0
reserved
1
0
1
CLKP/5
1
0
CLKP/6
1
reserved
OS1
OS0
Oscillation stabilization wait time
time based on 4 MHz oscillator
(
φ)
00
φ * 216
32 ms (initial value)
01
φ * 211
1 ms
10
φ * 216
32 ms
11
φ * 21
1
s
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