參數(shù)資料
型號: M306H7MC-XXXFP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁數(shù): 51/115頁
文件大?。?/td> 3146K
代理商: M306H7MC-XXXFP
Rev.2.10
Oct 25, 2006
Page 40 of 326
REJ03B0152-0210
M306H7MG-XXXFP/MC-XXXFP/FGFP
4. CLOCK GENERATION CIRCUIT
Figure 4.9
State Transition in Normal Mode
CM07=0
CM17=0
CM06=0
CM16=0
CM07=0
CM17=0
CM06=0
CM16=1
CM07=0
CM17=1
CM06=0
CM16=0
CM07=0
CM06=1
CM07=0
CM17=1
CM06=0
CM16=1
High-speed mode
CM07=0
CM17=0
CM06=0
CM16=0
CM07=0
CM17=0
CM06=0
CM16=1
CM07=0
CM17=1
CM06=0
CM16=0
CM07=0
CM06=1
CM07=0
CM17=1
CM06=0
CM16=1
CM07=0
Low-speed mode
CM07=0
Low power dissipation mode
CM06=1
CM15=1
CM04=0
CM04=1
CM07=0
(Note 1, Note 3)
CM07=1
(Note 2)
CM05=1
CM05=0
Main clock oscillation
Sub clock oscillation
CPU clock: f(XIN)
High-speed mode
Middle-speed mode
(divide by 2)
CPU clock: f(XIN)/2
CPU clock: f(XIN)/4
CPU clock: f(XIN)/8
CPU clock: f(XIN)/16
CPU clock: f(XCIN)
Middle-speed mode
(divide by 4)
Middle-speed mode
(divide by 8)
Middle-speed mode
(divide by 16)
Middle-speed mode
(divide by 2)
Middle-speed mode
(divide by 4)
Middle-speed mode
(divide by 8)
Middle-speed mode
(divide by 16)
CPU clock: f(XIN)
CPU clock: f(XIN)/2
CPU clock: f(XIN)/4
CPU clock: f(XIN)/8
CPU clock: f(XIN)/16
Notes:
1: Switch clock after oscillation of main clock is sufficiently stable.
2: Switch clock after oscillation of sub-clock is sufficiently stable.
3: Change CM17 and CM16 before changing CM06.
4: Transit in accordance with arrow.
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